./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/printf-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/printf-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB --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 7d17dd656752f8bfe37b555fca60e9904e2f2b89fd59148dbd3120bfaecc3203 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:32:26,879 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:32:27,001 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-28 03:32:27,007 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:32:27,012 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:32:27,053 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:32:27,054 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:32:27,054 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:32:27,054 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:32:27,055 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:32:27,056 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:32:27,057 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:32:27,057 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:32:27,057 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:32:27,057 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:32:27,057 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:32:27,058 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:32:27,058 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:32:27,059 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:32:27,059 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:32:27,059 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:32:27,059 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:32:27,059 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 03:32:27,059 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:32:27,059 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:32:27,060 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:32:27,060 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:32:27,060 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:32:27,060 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:32:27,060 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:32:27,060 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:32:27,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:32:27,061 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:32:27,062 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:32:27,062 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:32:27,062 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:32:27,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:32:27,063 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:32:27,063 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:32:27,063 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:32:27,063 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:32:27,063 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:32:27,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:32:27,064 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:32:27,064 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:32:27,064 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:32:27,064 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:32:27,064 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_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> 7d17dd656752f8bfe37b555fca60e9904e2f2b89fd59148dbd3120bfaecc3203 [2024-11-28 03:32:27,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:32:27,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:32:27,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:32:27,395 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:32:27,396 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:32:27,397 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/busybox-1.22.0/printf-2.i [2024-11-28 03:32:30,429 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/data/ff9be79d2/c007350d8e2f4cd4abf811884a80ff87/FLAG50c14037e [2024-11-28 03:32:30,930 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:32:30,931 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/sv-benchmarks/c/busybox-1.22.0/printf-2.i [2024-11-28 03:32:30,988 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/data/ff9be79d2/c007350d8e2f4cd4abf811884a80ff87/FLAG50c14037e [2024-11-28 03:32:31,017 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/data/ff9be79d2/c007350d8e2f4cd4abf811884a80ff87 [2024-11-28 03:32:31,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:32:31,022 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:32:31,024 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:32:31,025 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:32:31,031 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:32:31,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:32:31" (1/1) ... [2024-11-28 03:32:31,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@465fb25b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:31, skipping insertion in model container [2024-11-28 03:32:31,033 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:32:31" (1/1) ... [2024-11-28 03:32:31,144 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:32:33,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:32:33,131 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:32:33,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:32:33,716 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2024-11-28 03:32:33,727 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:32:33,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:33 WrapperNode [2024-11-28 03:32:33,728 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:32:33,729 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:32:33,729 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:32:33,729 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:32:33,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:33" (1/1) ... [2024-11-28 03:32:33,831 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:33" (1/1) ... [2024-11-28 03:32:33,978 INFO L138 Inliner]: procedures = 648, calls = 864, calls flagged for inlining = 31, calls inlined = 29, statements flattened = 1883 [2024-11-28 03:32:33,979 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:32:33,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:32:33,980 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:32:33,980 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:32:33,996 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:33" (1/1) ... [2024-11-28 03:32:33,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:33" (1/1) ... [2024-11-28 03:32:34,023 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:33" (1/1) ... [2024-11-28 03:32:34,037 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-28 03:32:34,038 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:33" (1/1) ... [2024-11-28 03:32:34,038 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:33" (1/1) ... [2024-11-28 03:32:34,140 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:33" (1/1) ... [2024-11-28 03:32:34,146 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:33" (1/1) ... [2024-11-28 03:32:34,171 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:33" (1/1) ... [2024-11-28 03:32:34,199 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:33" (1/1) ... [2024-11-28 03:32:34,210 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:33" (1/1) ... [2024-11-28 03:32:34,235 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:32:34,236 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:32:34,238 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:32:34,238 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:32:34,239 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:33" (1/1) ... [2024-11-28 03:32:34,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:32:34,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:32:34,277 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:32:34,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:32:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-28 03:32:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure bb_putchar [2024-11-28 03:32:34,350 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_putchar [2024-11-28 03:32:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:32:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-28 03:32:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure ret_ERANGE [2024-11-28 03:32:34,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ret_ERANGE [2024-11-28 03:32:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-28 03:32:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2024-11-28 03:32:34,352 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2024-11-28 03:32:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-28 03:32:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 03:32:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure get_width_prec [2024-11-28 03:32:34,352 INFO L138 BoogieDeclarations]: Found implementation of procedure get_width_prec [2024-11-28 03:32:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-28 03:32:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 03:32:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:32:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-28 03:32:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:32:34,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:32:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-28 03:32:34,354 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-28 03:32:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-11-28 03:32:34,355 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-11-28 03:32:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-28 03:32:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-28 03:32:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure handle_errors [2024-11-28 03:32:34,356 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_errors [2024-11-28 03:32:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure bb_process_escape_sequence [2024-11-28 03:32:34,356 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_process_escape_sequence [2024-11-28 03:32:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:32:34,357 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:32:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure print_direc [2024-11-28 03:32:34,360 INFO L138 BoogieDeclarations]: Found implementation of procedure print_direc [2024-11-28 03:32:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:32:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-28 03:32:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-28 03:32:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure bb_ascii_isalnum [2024-11-28 03:32:34,361 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_ascii_isalnum [2024-11-28 03:32:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 03:32:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure bb_strtoll [2024-11-28 03:32:34,361 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_strtoll [2024-11-28 03:32:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure multiconvert [2024-11-28 03:32:34,361 INFO L138 BoogieDeclarations]: Found implementation of procedure multiconvert [2024-11-28 03:32:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real [2024-11-28 03:32:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 03:32:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg [2024-11-28 03:32:34,361 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg [2024-11-28 03:32:35,100 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:32:35,103 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:32:42,060 INFO L? ?]: Removed 614 outVars from TransFormulas that were not future-live. [2024-11-28 03:32:42,061 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:32:42,097 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:32:42,100 INFO L312 CfgBuilder]: Removed 26 assume(true) statements. [2024-11-28 03:32:42,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:32:42 BoogieIcfgContainer [2024-11-28 03:32:42,101 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:32:42,104 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:32:42,106 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:32:42,112 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:32:42,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:32:31" (1/3) ... [2024-11-28 03:32:42,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@126cde5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:32:42, skipping insertion in model container [2024-11-28 03:32:42,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:33" (2/3) ... [2024-11-28 03:32:42,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@126cde5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:32:42, skipping insertion in model container [2024-11-28 03:32:42,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:32:42" (3/3) ... [2024-11-28 03:32:42,118 INFO L128 eAbstractionObserver]: Analyzing ICFG printf-2.i [2024-11-28 03:32:42,137 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:32:42,144 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG printf-2.i that has 15 procedures, 497 locations, 1 initial locations, 23 loop locations, and 44 error locations. [2024-11-28 03:32:42,238 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:32:42,257 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;@32b69b3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:32:42,258 INFO L334 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2024-11-28 03:32:42,268 INFO L276 IsEmpty]: Start isEmpty. Operand has 497 states, 386 states have (on average 1.5984455958549222) internal successors, (617), 445 states have internal predecessors, (617), 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) [2024-11-28 03:32:42,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-28 03:32:42,275 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:32:42,275 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-28 03:32:42,276 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2024-11-28 03:32:42,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:42,283 INFO L85 PathProgramCache]: Analyzing trace with hash 896160051, now seen corresponding path program 1 times [2024-11-28 03:32:42,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:32:42,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274097150] [2024-11-28 03:32:42,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:32:42,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:32:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:32:44,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:32:44,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:32:44,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274097150] [2024-11-28 03:32:44,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274097150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:32:44,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:32:44,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:32:44,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727840459] [2024-11-28 03:32:44,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:32:44,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:32:44,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:32:44,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:32:44,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:32:44,751 INFO L87 Difference]: Start difference. First operand has 497 states, 386 states have (on average 1.5984455958549222) internal successors, (617), 445 states have internal predecessors, (617), 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) [2024-11-28 03:32:45,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:32:45,011 INFO L93 Difference]: Finished difference Result 894 states and 1354 transitions. [2024-11-28 03:32:45,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:32:45,013 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 [2024-11-28 03:32:45,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:32:45,027 INFO L225 Difference]: With dead ends: 894 [2024-11-28 03:32:45,027 INFO L226 Difference]: Without dead ends: 383 [2024-11-28 03:32:45,036 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 [2024-11-28 03:32:45,040 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 [2024-11-28 03:32:45,041 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] [2024-11-28 03:32:45,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-11-28 03:32:45,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2024-11-28 03:32:45,145 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) [2024-11-28 03:32:45,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 524 transitions. [2024-11-28 03:32:45,156 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 524 transitions. Word has length 5 [2024-11-28 03:32:45,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:32:45,156 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 524 transitions. [2024-11-28 03:32:45,157 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) [2024-11-28 03:32:45,157 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 524 transitions. [2024-11-28 03:32:45,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-28 03:32:45,158 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:32:45,158 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2024-11-28 03:32:45,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:32:45,158 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2024-11-28 03:32:45,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:45,159 INFO L85 PathProgramCache]: Analyzing trace with hash -362219539, now seen corresponding path program 1 times [2024-11-28 03:32:45,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:32:45,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199307814] [2024-11-28 03:32:45,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:32:45,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:32:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:32:46,867 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:32:46,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:32:46,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199307814] [2024-11-28 03:32:46,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199307814] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:32:46,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071690055] [2024-11-28 03:32:46,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:32:46,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:32:46,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:32:46,874 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:32:46,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:32:48,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:32:48,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 1683 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:32:48,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:32:48,849 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:32:48,850 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:32:48,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1071690055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:32:48,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:32:48,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-28 03:32:48,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414045758] [2024-11-28 03:32:48,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:32:48,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:32:48,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:32:48,855 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:32:48,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:32:48,855 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) [2024-11-28 03:32:48,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:32:48,971 INFO L93 Difference]: Finished difference Result 383 states and 524 transitions. [2024-11-28 03:32:48,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:32:48,972 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 [2024-11-28 03:32:48,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:32:48,976 INFO L225 Difference]: With dead ends: 383 [2024-11-28 03:32:48,976 INFO L226 Difference]: Without dead ends: 382 [2024-11-28 03:32:48,977 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 [2024-11-28 03:32:48,978 INFO L435 NwaCegarLoop]: 513 mSDtfsCounter, 1 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:32:48,979 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1024 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:32:48,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-28 03:32:49,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2024-11-28 03:32:49,005 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) [2024-11-28 03:32:49,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 523 transitions. [2024-11-28 03:32:49,014 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 523 transitions. Word has length 9 [2024-11-28 03:32:49,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:32:49,014 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 523 transitions. [2024-11-28 03:32:49,015 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) [2024-11-28 03:32:49,015 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 523 transitions. [2024-11-28 03:32:49,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-28 03:32:49,015 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:32:49,015 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1] [2024-11-28 03:32:49,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:32:49,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-28 03:32:49,221 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2024-11-28 03:32:49,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:49,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1656097134, now seen corresponding path program 1 times [2024-11-28 03:32:49,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:32:49,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382930719] [2024-11-28 03:32:49,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:32:49,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:32:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:32:50,731 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:32:50,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:32:50,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382930719] [2024-11-28 03:32:50,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382930719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:32:50,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:32:50,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:32:50,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067139711] [2024-11-28 03:32:50,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:32:50,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:32:50,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:32:50,734 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:32:50,734 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:32:50,735 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) [2024-11-28 03:32:50,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:32:50,811 INFO L93 Difference]: Finished difference Result 382 states and 523 transitions. [2024-11-28 03:32:50,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:32:50,812 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 [2024-11-28 03:32:50,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:32:50,816 INFO L225 Difference]: With dead ends: 382 [2024-11-28 03:32:50,816 INFO L226 Difference]: Without dead ends: 381 [2024-11-28 03:32:50,819 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 [2024-11-28 03:32:50,821 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 [2024-11-28 03:32:50,822 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] [2024-11-28 03:32:50,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-28 03:32:50,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 378. [2024-11-28 03:32:50,863 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) [2024-11-28 03:32:50,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 519 transitions. [2024-11-28 03:32:50,870 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 519 transitions. Word has length 10 [2024-11-28 03:32:50,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:32:50,871 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 519 transitions. [2024-11-28 03:32:50,871 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) [2024-11-28 03:32:50,871 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 519 transitions. [2024-11-28 03:32:50,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-28 03:32:50,873 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:32:50,873 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:32:50,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:32:50,873 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2024-11-28 03:32:50,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:50,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1270993050, now seen corresponding path program 1 times [2024-11-28 03:32:50,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:32:50,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634365963] [2024-11-28 03:32:50,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:32:50,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:32:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:32:52,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:32:52,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:32:52,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634365963] [2024-11-28 03:32:52,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634365963] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:32:52,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836960569] [2024-11-28 03:32:52,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:32:52,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:32:52,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:32:52,178 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:32:52,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:32:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:32:53,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 1700 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:32:53,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:32:54,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:32:54,017 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:32:54,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1836960569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:32:54,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:32:54,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-28 03:32:54,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790600421] [2024-11-28 03:32:54,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:32:54,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:32:54,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:32:54,019 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:32:54,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:32:54,019 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) [2024-11-28 03:32:54,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:32:54,127 INFO L93 Difference]: Finished difference Result 378 states and 519 transitions. [2024-11-28 03:32:54,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:32:54,127 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 [2024-11-28 03:32:54,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:32:54,131 INFO L225 Difference]: With dead ends: 378 [2024-11-28 03:32:54,134 INFO L226 Difference]: Without dead ends: 376 [2024-11-28 03:32:54,135 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 [2024-11-28 03:32:54,136 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 [2024-11-28 03:32:54,136 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] [2024-11-28 03:32:54,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2024-11-28 03:32:54,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 376. [2024-11-28 03:32:54,165 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) [2024-11-28 03:32:54,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 517 transitions. [2024-11-28 03:32:54,176 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 517 transitions. Word has length 14 [2024-11-28 03:32:54,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:32:54,178 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 517 transitions. [2024-11-28 03:32:54,178 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) [2024-11-28 03:32:54,178 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 517 transitions. [2024-11-28 03:32:54,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 03:32:54,179 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:32:54,179 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:32:54,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 03:32:54,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:32:54,380 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2024-11-28 03:32:54,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:54,380 INFO L85 PathProgramCache]: Analyzing trace with hash -746077922, now seen corresponding path program 1 times [2024-11-28 03:32:54,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:32:54,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187883591] [2024-11-28 03:32:54,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:32:54,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:32:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:32:55,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:32:55,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:32:55,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187883591] [2024-11-28 03:32:55,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187883591] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:32:55,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916885401] [2024-11-28 03:32:55,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:32:55,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:32:55,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:32:55,728 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:32:55,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:32:57,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:32:57,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 1701 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:32:57,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:32:57,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:32:57,396 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:32:57,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:32:57,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916885401] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:32:57,508 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:32:57,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-28 03:32:57,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842924453] [2024-11-28 03:32:57,509 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:32:57,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:32:57,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:32:57,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:32:57,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:32:57,510 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) [2024-11-28 03:32:57,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:32:57,692 INFO L93 Difference]: Finished difference Result 757 states and 1041 transitions. [2024-11-28 03:32:57,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:32:57,693 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 [2024-11-28 03:32:57,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:32:57,697 INFO L225 Difference]: With dead ends: 757 [2024-11-28 03:32:57,697 INFO L226 Difference]: Without dead ends: 388 [2024-11-28 03:32:57,702 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 [2024-11-28 03:32:57,703 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 [2024-11-28 03:32:57,703 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] [2024-11-28 03:32:57,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-11-28 03:32:57,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 388. [2024-11-28 03:32:57,719 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) [2024-11-28 03:32:57,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 529 transitions. [2024-11-28 03:32:57,723 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 529 transitions. Word has length 15 [2024-11-28 03:32:57,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:32:57,723 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 529 transitions. [2024-11-28 03:32:57,724 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) [2024-11-28 03:32:57,724 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 529 transitions. [2024-11-28 03:32:57,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-28 03:32:57,725 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:32:57,725 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:32:57,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 03:32:57,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:32:57,925 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2024-11-28 03:32:57,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:57,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1466676020, now seen corresponding path program 2 times [2024-11-28 03:32:57,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:32:57,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813885524] [2024-11-28 03:32:57,926 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:32:57,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:32:58,736 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:32:58,737 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:32:59,268 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:32:59,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:32:59,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813885524] [2024-11-28 03:32:59,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813885524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:32:59,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:32:59,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:32:59,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807676899] [2024-11-28 03:32:59,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:32:59,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:32:59,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:32:59,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:32:59,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:32:59,271 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) [2024-11-28 03:32:59,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:32:59,462 INFO L93 Difference]: Finished difference Result 388 states and 529 transitions. [2024-11-28 03:32:59,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:32:59,463 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 [2024-11-28 03:32:59,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:32:59,468 INFO L225 Difference]: With dead ends: 388 [2024-11-28 03:32:59,469 INFO L226 Difference]: Without dead ends: 386 [2024-11-28 03:32:59,470 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 [2024-11-28 03:32:59,470 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:32:59,473 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 1834 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:32:59,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-11-28 03:32:59,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 386. [2024-11-28 03:32:59,498 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) [2024-11-28 03:32:59,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 527 transitions. [2024-11-28 03:32:59,502 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 527 transitions. Word has length 27 [2024-11-28 03:32:59,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:32:59,502 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 527 transitions. [2024-11-28 03:32:59,502 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) [2024-11-28 03:32:59,502 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 527 transitions. [2024-11-28 03:32:59,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-28 03:32:59,503 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:32:59,503 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] [2024-11-28 03:32:59,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:32:59,504 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2024-11-28 03:32:59,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:59,504 INFO L85 PathProgramCache]: Analyzing trace with hash 833457992, now seen corresponding path program 1 times [2024-11-28 03:32:59,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:32:59,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228499429] [2024-11-28 03:32:59,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:32:59,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:00,747 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:33:00,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:00,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228499429] [2024-11-28 03:33:00,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228499429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:00,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:33:00,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:33:00,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868749239] [2024-11-28 03:33:00,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:00,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:33:00,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:00,749 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:33:00,749 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:33:00,749 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) [2024-11-28 03:33:00,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:33:00,838 INFO L93 Difference]: Finished difference Result 751 states and 1034 transitions. [2024-11-28 03:33:00,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:33:00,840 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 [2024-11-28 03:33:00,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:33:00,843 INFO L225 Difference]: With dead ends: 751 [2024-11-28 03:33:00,843 INFO L226 Difference]: Without dead ends: 390 [2024-11-28 03:33:00,846 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 [2024-11-28 03:33:00,848 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 [2024-11-28 03:33:00,849 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] [2024-11-28 03:33:00,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-28 03:33:00,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 390. [2024-11-28 03:33:00,878 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) [2024-11-28 03:33:00,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 531 transitions. [2024-11-28 03:33:00,887 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 531 transitions. Word has length 34 [2024-11-28 03:33:00,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:33:00,888 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 531 transitions. [2024-11-28 03:33:00,888 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) [2024-11-28 03:33:00,888 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 531 transitions. [2024-11-28 03:33:00,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-28 03:33:00,889 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:33:00,889 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] [2024-11-28 03:33:00,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:33:00,889 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2024-11-28 03:33:00,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:00,889 INFO L85 PathProgramCache]: Analyzing trace with hash 2014741698, now seen corresponding path program 1 times [2024-11-28 03:33:00,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:33:00,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987716600] [2024-11-28 03:33:00,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:00,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:02,189 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:33:02,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:02,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987716600] [2024-11-28 03:33:02,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987716600] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:33:02,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620101454] [2024-11-28 03:33:02,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:02,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:33:02,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:33:02,194 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:33:02,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:33:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:03,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 1922 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:33:03,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:33:03,967 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 03:33:03,968 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:33:04,286 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 03:33:04,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [620101454] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:33:04,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:33:04,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2024-11-28 03:33:04,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095948794] [2024-11-28 03:33:04,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:33:04,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 03:33:04,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:04,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 03:33:04,289 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:33:04,289 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) [2024-11-28 03:33:04,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:33:04,762 INFO L93 Difference]: Finished difference Result 784 states and 1072 transitions. [2024-11-28 03:33:04,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 03:33:04,763 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 [2024-11-28 03:33:04,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:33:04,766 INFO L225 Difference]: With dead ends: 784 [2024-11-28 03:33:04,766 INFO L226 Difference]: Without dead ends: 413 [2024-11-28 03:33:04,767 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 [2024-11-28 03:33:04,769 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 [2024-11-28 03:33:04,769 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] [2024-11-28 03:33:04,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-11-28 03:33:04,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2024-11-28 03:33:04,793 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) [2024-11-28 03:33:04,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 554 transitions. [2024-11-28 03:33:04,797 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 554 transitions. Word has length 38 [2024-11-28 03:33:04,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:33:04,798 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 554 transitions. [2024-11-28 03:33:04,799 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) [2024-11-28 03:33:04,799 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 554 transitions. [2024-11-28 03:33:04,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-28 03:33:04,802 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:33:04,802 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] [2024-11-28 03:33:04,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 03:33:05,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:33:05,003 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2024-11-28 03:33:05,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:05,004 INFO L85 PathProgramCache]: Analyzing trace with hash -583752856, now seen corresponding path program 1 times [2024-11-28 03:33:05,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:33:05,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118481902] [2024-11-28 03:33:05,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:05,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:06,020 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-28 03:33:06,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:06,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118481902] [2024-11-28 03:33:06,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118481902] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:33:06,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591448493] [2024-11-28 03:33:06,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:06,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:33:06,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:33:06,024 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:33:06,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:33:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:07,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 2039 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:33:07,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:33:07,595 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-28 03:33:07,595 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:33:07,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591448493] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:07,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:33:07,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-28 03:33:07,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489726962] [2024-11-28 03:33:07,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:07,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:33:07,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:07,596 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:33:07,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:33:07,596 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) [2024-11-28 03:33:07,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:33:07,667 INFO L93 Difference]: Finished difference Result 413 states and 554 transitions. [2024-11-28 03:33:07,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:33:07,667 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 [2024-11-28 03:33:07,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:33:07,670 INFO L225 Difference]: With dead ends: 413 [2024-11-28 03:33:07,670 INFO L226 Difference]: Without dead ends: 412 [2024-11-28 03:33:07,671 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:33:07,674 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:33:07,674 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1001 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:33:07,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-11-28 03:33:07,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2024-11-28 03:33:07,694 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) [2024-11-28 03:33:07,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 553 transitions. [2024-11-28 03:33:07,699 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 553 transitions. Word has length 62 [2024-11-28 03:33:07,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:33:07,699 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 553 transitions. [2024-11-28 03:33:07,699 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) [2024-11-28 03:33:07,700 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 553 transitions. [2024-11-28 03:33:07,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-28 03:33:07,703 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:33:07,703 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] [2024-11-28 03:33:07,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 03:33:07,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:33:07,904 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2024-11-28 03:33:07,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:07,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1405270552, now seen corresponding path program 1 times [2024-11-28 03:33:07,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:33:07,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134069928] [2024-11-28 03:33:07,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:07,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:08,677 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-28 03:33:08,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:08,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134069928] [2024-11-28 03:33:08,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134069928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:08,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:33:08,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:33:08,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952330277] [2024-11-28 03:33:08,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:08,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:33:08,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:08,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:33:08,680 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:33:08,680 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) [2024-11-28 03:33:08,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:33:08,741 INFO L93 Difference]: Finished difference Result 418 states and 559 transitions. [2024-11-28 03:33:08,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:33:08,742 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 [2024-11-28 03:33:08,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:33:08,744 INFO L225 Difference]: With dead ends: 418 [2024-11-28 03:33:08,744 INFO L226 Difference]: Without dead ends: 416 [2024-11-28 03:33:08,745 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 [2024-11-28 03:33:08,746 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 [2024-11-28 03:33:08,746 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] [2024-11-28 03:33:08,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-28 03:33:08,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2024-11-28 03:33:08,761 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) [2024-11-28 03:33:08,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 557 transitions. [2024-11-28 03:33:08,764 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 557 transitions. Word has length 62 [2024-11-28 03:33:08,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:33:08,765 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 557 transitions. [2024-11-28 03:33:08,765 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) [2024-11-28 03:33:08,765 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 557 transitions. [2024-11-28 03:33:08,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-28 03:33:08,766 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:33:08,766 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] [2024-11-28 03:33:08,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 03:33:08,766 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2024-11-28 03:33:08,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:08,767 INFO L85 PathProgramCache]: Analyzing trace with hash -916535878, now seen corresponding path program 1 times [2024-11-28 03:33:08,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:33:08,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358597051] [2024-11-28 03:33:08,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:08,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:09,870 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-28 03:33:09,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:09,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358597051] [2024-11-28 03:33:09,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358597051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:09,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:33:09,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:33:09,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86648215] [2024-11-28 03:33:09,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:09,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:33:09,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:09,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:33:09,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:33:09,877 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) [2024-11-28 03:33:09,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:33:09,929 INFO L93 Difference]: Finished difference Result 416 states and 557 transitions. [2024-11-28 03:33:09,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:33:09,930 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 [2024-11-28 03:33:09,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:33:09,933 INFO L225 Difference]: With dead ends: 416 [2024-11-28 03:33:09,933 INFO L226 Difference]: Without dead ends: 415 [2024-11-28 03:33:09,934 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 [2024-11-28 03:33:09,935 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 [2024-11-28 03:33:09,936 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] [2024-11-28 03:33:09,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-28 03:33:09,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 412. [2024-11-28 03:33:09,958 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) [2024-11-28 03:33:09,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 553 transitions. [2024-11-28 03:33:09,962 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 553 transitions. Word has length 63 [2024-11-28 03:33:09,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:33:09,962 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 553 transitions. [2024-11-28 03:33:09,962 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) [2024-11-28 03:33:09,962 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 553 transitions. [2024-11-28 03:33:09,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-28 03:33:09,965 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:33:09,965 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] [2024-11-28 03:33:09,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 03:33:09,965 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2024-11-28 03:33:09,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:09,965 INFO L85 PathProgramCache]: Analyzing trace with hash -916468352, now seen corresponding path program 1 times [2024-11-28 03:33:09,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:33:09,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640154893] [2024-11-28 03:33:09,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:09,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:11,084 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-28 03:33:11,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:11,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640154893] [2024-11-28 03:33:11,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640154893] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:33:11,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627560592] [2024-11-28 03:33:11,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:11,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:33:11,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:33:11,088 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:33:11,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 03:33:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:12,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 2040 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:33:12,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:33:12,769 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-28 03:33:12,769 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:33:12,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1627560592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:12,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:33:12,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-28 03:33:12,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897459771] [2024-11-28 03:33:12,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:12,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:33:12,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:12,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:33:12,771 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:33:12,771 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) [2024-11-28 03:33:12,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:33:12,852 INFO L93 Difference]: Finished difference Result 423 states and 566 transitions. [2024-11-28 03:33:12,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:33:12,853 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 [2024-11-28 03:33:12,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:33:12,855 INFO L225 Difference]: With dead ends: 423 [2024-11-28 03:33:12,855 INFO L226 Difference]: Without dead ends: 422 [2024-11-28 03:33:12,855 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 [2024-11-28 03:33:12,856 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 [2024-11-28 03:33:12,858 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] [2024-11-28 03:33:12,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2024-11-28 03:33:12,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 422. [2024-11-28 03:33:12,877 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) [2024-11-28 03:33:12,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 565 transitions. [2024-11-28 03:33:12,881 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 565 transitions. Word has length 63 [2024-11-28 03:33:12,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:33:12,883 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 565 transitions. [2024-11-28 03:33:12,883 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) [2024-11-28 03:33:12,883 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 565 transitions. [2024-11-28 03:33:12,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-28 03:33:12,884 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:33:12,884 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] [2024-11-28 03:33:12,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 03:33:13,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-28 03:33:13,085 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2024-11-28 03:33:13,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:13,086 INFO L85 PathProgramCache]: Analyzing trace with hash -473494318, now seen corresponding path program 1 times [2024-11-28 03:33:13,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:33:13,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285410818] [2024-11-28 03:33:13,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:13,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:14,124 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-28 03:33:14,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:14,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285410818] [2024-11-28 03:33:14,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285410818] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:33:14,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198308605] [2024-11-28 03:33:14,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:14,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:33:14,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:33:14,127 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:33:14,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 03:33:15,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:15,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 2028 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:33:15,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:33:15,969 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-11-28 03:33:15,969 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:33:15,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198308605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:15,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:33:15,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 6 [2024-11-28 03:33:15,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508806715] [2024-11-28 03:33:15,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:15,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:33:15,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:15,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:33:15,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:33:15,971 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) [2024-11-28 03:33:16,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:33:16,034 INFO L93 Difference]: Finished difference Result 435 states and 579 transitions. [2024-11-28 03:33:16,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:33:16,034 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 [2024-11-28 03:33:16,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:33:16,037 INFO L225 Difference]: With dead ends: 435 [2024-11-28 03:33:16,038 INFO L226 Difference]: Without dead ends: 424 [2024-11-28 03:33:16,038 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 [2024-11-28 03:33:16,039 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 [2024-11-28 03:33:16,039 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] [2024-11-28 03:33:16,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-11-28 03:33:16,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 424. [2024-11-28 03:33:16,059 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) [2024-11-28 03:33:16,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 567 transitions. [2024-11-28 03:33:16,063 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 567 transitions. Word has length 66 [2024-11-28 03:33:16,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:33:16,064 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 567 transitions. [2024-11-28 03:33:16,064 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) [2024-11-28 03:33:16,064 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 567 transitions. [2024-11-28 03:33:16,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-28 03:33:16,065 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:33:16,066 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] [2024-11-28 03:33:16,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-28 03:33:16,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-28 03:33:16,267 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2024-11-28 03:33:16,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:16,268 INFO L85 PathProgramCache]: Analyzing trace with hash 2006017863, now seen corresponding path program 1 times [2024-11-28 03:33:16,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:33:16,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230331198] [2024-11-28 03:33:16,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:16,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:17,537 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-28 03:33:17,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:17,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230331198] [2024-11-28 03:33:17,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230331198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:17,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:33:17,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:33:17,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677560275] [2024-11-28 03:33:17,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:17,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:33:17,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:17,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:33:17,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:33:17,540 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) [2024-11-28 03:33:17,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:33:17,732 INFO L93 Difference]: Finished difference Result 440 states and 582 transitions. [2024-11-28 03:33:17,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:33:17,733 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 [2024-11-28 03:33:17,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:33:17,736 INFO L225 Difference]: With dead ends: 440 [2024-11-28 03:33:17,736 INFO L226 Difference]: Without dead ends: 437 [2024-11-28 03:33:17,737 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 [2024-11-28 03:33:17,737 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 [2024-11-28 03:33:17,738 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] [2024-11-28 03:33:17,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-11-28 03:33:17,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 434. [2024-11-28 03:33:17,761 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) [2024-11-28 03:33:17,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 577 transitions. [2024-11-28 03:33:17,764 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 577 transitions. Word has length 70 [2024-11-28 03:33:17,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:33:17,765 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 577 transitions. [2024-11-28 03:33:17,765 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) [2024-11-28 03:33:17,765 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 577 transitions. [2024-11-28 03:33:17,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-28 03:33:17,767 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:33:17,767 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] [2024-11-28 03:33:17,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 03:33:17,768 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2024-11-28 03:33:17,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:17,770 INFO L85 PathProgramCache]: Analyzing trace with hash 2006019785, now seen corresponding path program 1 times [2024-11-28 03:33:17,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:33:17,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773905290] [2024-11-28 03:33:17,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:17,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:19,433 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-28 03:33:19,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:19,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773905290] [2024-11-28 03:33:19,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773905290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:19,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:33:19,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:33:19,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906746549] [2024-11-28 03:33:19,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:19,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:33:19,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:19,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:33:19,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:33:19,436 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) [2024-11-28 03:33:19,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:33:19,794 INFO L93 Difference]: Finished difference Result 798 states and 1078 transitions. [2024-11-28 03:33:19,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:33:19,795 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 [2024-11-28 03:33:19,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:33:19,799 INFO L225 Difference]: With dead ends: 798 [2024-11-28 03:33:19,800 INFO L226 Difference]: Without dead ends: 434 [2024-11-28 03:33:19,803 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 [2024-11-28 03:33:19,803 INFO L435 NwaCegarLoop]: 496 mSDtfsCounter, 170 mSDsluCounter, 1800 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:33:19,804 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 2296 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:33:19,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-11-28 03:33:19,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2024-11-28 03:33:19,822 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) [2024-11-28 03:33:19,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 576 transitions. [2024-11-28 03:33:19,826 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 576 transitions. Word has length 70 [2024-11-28 03:33:19,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:33:19,826 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 576 transitions. [2024-11-28 03:33:19,826 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) [2024-11-28 03:33:19,826 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 576 transitions. [2024-11-28 03:33:19,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-28 03:33:19,830 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:33:19,830 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] [2024-11-28 03:33:19,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 03:33:19,830 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2024-11-28 03:33:19,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:19,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1798134890, now seen corresponding path program 1 times [2024-11-28 03:33:19,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:33:19,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998410223] [2024-11-28 03:33:19,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:19,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:20,894 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-28 03:33:20,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:20,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998410223] [2024-11-28 03:33:20,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998410223] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:33:20,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822872739] [2024-11-28 03:33:20,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:20,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:33:20,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:33:20,897 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:33:20,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 03:33:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:22,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 2130 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:33:22,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:33:22,740 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-28 03:33:22,740 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:33:22,837 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-28 03:33:22,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822872739] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:33:22,838 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:33:22,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-28 03:33:22,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594715378] [2024-11-28 03:33:22,838 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:33:22,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:33:22,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:22,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:33:22,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:33:22,839 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) [2024-11-28 03:33:22,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:33:22,988 INFO L93 Difference]: Finished difference Result 836 states and 1123 transitions. [2024-11-28 03:33:22,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:33:22,989 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 [2024-11-28 03:33:22,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:33:22,992 INFO L225 Difference]: With dead ends: 836 [2024-11-28 03:33:22,992 INFO L226 Difference]: Without dead ends: 458 [2024-11-28 03:33:22,993 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 [2024-11-28 03:33:22,995 INFO L435 NwaCegarLoop]: 507 mSDtfsCounter, 6 mSDsluCounter, 1509 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 2016 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:33:22,996 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 2016 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:33:22,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-11-28 03:33:23,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 458. [2024-11-28 03:33:23,013 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) [2024-11-28 03:33:23,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 600 transitions. [2024-11-28 03:33:23,017 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 600 transitions. Word has length 73 [2024-11-28 03:33:23,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:33:23,017 INFO L471 AbstractCegarLoop]: Abstraction has 458 states and 600 transitions. [2024-11-28 03:33:23,018 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) [2024-11-28 03:33:23,018 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 600 transitions. [2024-11-28 03:33:23,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-28 03:33:23,019 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:33:23,019 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] [2024-11-28 03:33:23,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-28 03:33:23,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-28 03:33:23,220 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2024-11-28 03:33:23,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:23,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1978158879, now seen corresponding path program 1 times [2024-11-28 03:33:23,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:33:23,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227825431] [2024-11-28 03:33:23,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:23,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:24,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:24,631 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-28 03:33:24,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:24,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227825431] [2024-11-28 03:33:24,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227825431] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:33:24,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [619858916] [2024-11-28 03:33:24,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:24,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:33:24,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:33:24,635 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:33:24,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 03:33:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:26,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 2288 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:33:26,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:33:26,686 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-28 03:33:26,686 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:33:26,948 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-28 03:33:26,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [619858916] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:33:26,948 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:33:26,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-28 03:33:26,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937664486] [2024-11-28 03:33:26,949 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:33:26,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 03:33:26,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:26,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 03:33:26,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:33:26,951 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) [2024-11-28 03:33:27,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:33:27,231 INFO L93 Difference]: Finished difference Result 896 states and 1189 transitions. [2024-11-28 03:33:27,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:33:27,232 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 [2024-11-28 03:33:27,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:33:27,236 INFO L225 Difference]: With dead ends: 896 [2024-11-28 03:33:27,236 INFO L226 Difference]: Without dead ends: 506 [2024-11-28 03:33:27,237 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 [2024-11-28 03:33:27,238 INFO L435 NwaCegarLoop]: 507 mSDtfsCounter, 6 mSDsluCounter, 3018 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 3525 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:33:27,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 3525 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:33:27,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2024-11-28 03:33:27,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 506. [2024-11-28 03:33:27,256 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) [2024-11-28 03:33:27,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 648 transitions. [2024-11-28 03:33:27,260 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 648 transitions. Word has length 92 [2024-11-28 03:33:27,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:33:27,260 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 648 transitions. [2024-11-28 03:33:27,260 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) [2024-11-28 03:33:27,260 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 648 transitions. [2024-11-28 03:33:27,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-28 03:33:27,262 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:33:27,262 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] [2024-11-28 03:33:27,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-28 03:33:27,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-28 03:33:27,462 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2024-11-28 03:33:27,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:27,463 INFO L85 PathProgramCache]: Analyzing trace with hash 339299261, now seen corresponding path program 2 times [2024-11-28 03:33:27,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:33:27,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112297884] [2024-11-28 03:33:27,463 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:33:27,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:29,062 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:33:29,062 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-28 03:33:29,062 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:33:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:33:29,767 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:33:29,767 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:33:29,768 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (43 of 44 remaining) [2024-11-28 03:33:29,771 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 44 remaining) [2024-11-28 03:33:29,771 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 44 remaining) [2024-11-28 03:33:29,771 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_ascii_isalnumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 44 remaining) [2024-11-28 03:33:29,771 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_ascii_isalnumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 44 remaining) [2024-11-28 03:33:29,772 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_ascii_isalnumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 44 remaining) [2024-11-28 03:33:29,772 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_ascii_isalnumErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 44 remaining) [2024-11-28 03:33:29,772 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 44 remaining) [2024-11-28 03:33:29,772 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 44 remaining) [2024-11-28 03:33:29,772 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 44 remaining) [2024-11-28 03:33:29,772 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 44 remaining) [2024-11-28 03:33:29,772 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 44 remaining) [2024-11-28 03:33:29,772 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 44 remaining) [2024-11-28 03:33:29,772 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 44 remaining) [2024-11-28 03:33:29,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 44 remaining) [2024-11-28 03:33:29,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 44 remaining) [2024-11-28 03:33:29,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 44 remaining) [2024-11-28 03:33:29,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 44 remaining) [2024-11-28 03:33:29,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 44 remaining) [2024-11-28 03:33:29,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 44 remaining) [2024-11-28 03:33:29,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 44 remaining) [2024-11-28 03:33:29,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 44 remaining) [2024-11-28 03:33:29,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 44 remaining) [2024-11-28 03:33:29,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr17ASSERT_VIOLATIONUNSUPPORTED_FEATURE (20 of 44 remaining) [2024-11-28 03:33:29,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 44 remaining) [2024-11-28 03:33:29,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 44 remaining) [2024-11-28 03:33:29,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 44 remaining) [2024-11-28 03:33:29,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 44 remaining) [2024-11-28 03:33:29,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 44 remaining) [2024-11-28 03:33:29,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 44 remaining) [2024-11-28 03:33:29,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 44 remaining) [2024-11-28 03:33:29,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 44 remaining) [2024-11-28 03:33:29,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 44 remaining) [2024-11-28 03:33:29,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 44 remaining) [2024-11-28 03:33:29,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 44 remaining) [2024-11-28 03:33:29,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 44 remaining) [2024-11-28 03:33:29,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 44 remaining) [2024-11-28 03:33:29,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 44 remaining) [2024-11-28 03:33:29,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 44 remaining) [2024-11-28 03:33:29,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 44 remaining) [2024-11-28 03:33:29,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 44 remaining) [2024-11-28 03:33:29,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 44 remaining) [2024-11-28 03:33:29,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 44 remaining) [2024-11-28 03:33:29,776 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 44 remaining) [2024-11-28 03:33:29,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 03:33:29,780 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:33:29,934 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:33:29,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:33:29 BoogieIcfgContainer [2024-11-28 03:33:29,941 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:33:29,942 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:33:29,942 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:33:29,942 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:33:29,943 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:32:42" (3/4) ... [2024-11-28 03:33:29,946 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:33:29,947 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:33:29,948 INFO L158 Benchmark]: Toolchain (without parser) took 58926.31ms. Allocated memory was 117.4MB in the beginning and 654.3MB in the end (delta: 536.9MB). Free memory was 87.7MB in the beginning and 339.3MB in the end (delta: -251.7MB). Peak memory consumption was 280.1MB. Max. memory is 16.1GB. [2024-11-28 03:33:29,949 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:33:29,949 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2704.30ms. Allocated memory is still 117.4MB. Free memory was 87.7MB in the beginning and 66.3MB in the end (delta: 21.4MB). Peak memory consumption was 73.3MB. Max. memory is 16.1GB. [2024-11-28 03:33:29,950 INFO L158 Benchmark]: Boogie Procedure Inliner took 250.20ms. Allocated memory is still 117.4MB. Free memory was 66.3MB in the beginning and 52.7MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:33:29,950 INFO L158 Benchmark]: Boogie Preprocessor took 255.62ms. Allocated memory is still 117.4MB. Free memory was 52.7MB in the beginning and 39.2MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:33:29,952 INFO L158 Benchmark]: RCFGBuilder took 7865.52ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 39.2MB in the beginning and 141.6MB in the end (delta: -102.4MB). Peak memory consumption was 109.6MB. Max. memory is 16.1GB. [2024-11-28 03:33:29,953 INFO L158 Benchmark]: TraceAbstraction took 47837.26ms. Allocated memory was 234.9MB in the beginning and 654.3MB in the end (delta: 419.4MB). Free memory was 139.3MB in the beginning and 339.4MB in the end (delta: -200.1MB). Peak memory consumption was 220.2MB. Max. memory is 16.1GB. [2024-11-28 03:33:29,954 INFO L158 Benchmark]: Witness Printer took 5.93ms. Allocated memory is still 654.3MB. Free memory was 339.4MB in the beginning and 339.3MB in the end (delta: 22.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:33:29,959 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2704.30ms. Allocated memory is still 117.4MB. Free memory was 87.7MB in the beginning and 66.3MB in the end (delta: 21.4MB). Peak memory consumption was 73.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 250.20ms. Allocated memory is still 117.4MB. Free memory was 66.3MB in the beginning and 52.7MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 255.62ms. Allocated memory is still 117.4MB. Free memory was 52.7MB in the beginning and 39.2MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 7865.52ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 39.2MB in the beginning and 141.6MB in the end (delta: -102.4MB). Peak memory consumption was 109.6MB. Max. memory is 16.1GB. * TraceAbstraction took 47837.26ms. Allocated memory was 234.9MB in the beginning and 654.3MB in the end (delta: 419.4MB). Free memory was 139.3MB in the beginning and 339.4MB in the end (delta: -200.1MB). Peak memory consumption was 220.2MB. Max. memory is 16.1GB. * Witness Printer took 5.93ms. Allocated memory is still 654.3MB. Free memory was 339.4MB in the beginning and 339.3MB in the end (delta: 22.9kB). 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, 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={331:0}, argc=1, argv={-12:0}, 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={-13:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3411] COND TRUE i main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> 7d17dd656752f8bfe37b555fca60e9904e2f2b89fd59148dbd3120bfaecc3203 [2024-11-28 03:33:33,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:33:33,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:33:33,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:33:33,114 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:33:33,114 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:33:33,116 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/busybox-1.22.0/printf-2.i [2024-11-28 03:33:36,172 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/data/762844424/4a32c6705b46447ab9ff11c02a736042/FLAGc5b969787 [2024-11-28 03:33:36,757 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:33:36,761 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/sv-benchmarks/c/busybox-1.22.0/printf-2.i [2024-11-28 03:33:36,814 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/data/762844424/4a32c6705b46447ab9ff11c02a736042/FLAGc5b969787 [2024-11-28 03:33:37,236 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/data/762844424/4a32c6705b46447ab9ff11c02a736042 [2024-11-28 03:33:37,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:33:37,240 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:33:37,242 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:33:37,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:33:37,248 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:33:37,249 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:33:37" (1/1) ... [2024-11-28 03:33:37,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c5c9538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:33:37, skipping insertion in model container [2024-11-28 03:33:37,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:33:37" (1/1) ... [2024-11-28 03:33:37,341 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:33:39,004 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,006 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,025 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,031 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,035 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,039 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,041 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,042 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,044 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,044 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,046 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,046 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,048 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,052 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,054 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,056 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,057 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,059 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,060 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,061 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,061 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,062 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,063 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,066 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,067 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,068 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,075 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,081 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,082 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,083 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,090 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,092 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,095 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,097 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,101 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,105 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,107 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,110 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,113 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,118 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,119 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,120 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,121 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,122 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,122 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,131 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,133 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,134 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,138 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,142 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,145 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,146 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,146 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,148 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,148 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,150 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,163 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,165 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,168 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,179 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,205 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:33:39,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:33:39,280 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:33:39,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:33:39,929 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2024-11-28 03:33:39,942 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:33:39,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:33:39 WrapperNode [2024-11-28 03:33:39,945 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:33:39,947 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:33:39,947 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:33:39,947 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:33:39,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:33:39" (1/1) ... [2024-11-28 03:33:40,034 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:33:39" (1/1) ... [2024-11-28 03:33:40,163 INFO L138 Inliner]: procedures = 663, calls = 864, calls flagged for inlining = 31, calls inlined = 29, statements flattened = 1825 [2024-11-28 03:33:40,164 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:33:40,164 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:33:40,164 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:33:40,165 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:33:40,174 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:33:39" (1/1) ... [2024-11-28 03:33:40,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:33:39" (1/1) ... [2024-11-28 03:33:40,189 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:33:39" (1/1) ... [2024-11-28 03:33:40,198 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-28 03:33:40,198 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:33:39" (1/1) ... [2024-11-28 03:33:40,198 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:33:39" (1/1) ... [2024-11-28 03:33:40,292 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:33:39" (1/1) ... [2024-11-28 03:33:40,296 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:33:39" (1/1) ... [2024-11-28 03:33:40,307 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:33:39" (1/1) ... [2024-11-28 03:33:40,322 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:33:39" (1/1) ... [2024-11-28 03:33:40,329 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:33:39" (1/1) ... [2024-11-28 03:33:40,347 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:33:40,348 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:33:40,348 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:33:40,349 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:33:40,350 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:33:39" (1/1) ... [2024-11-28 03:33:40,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:33:40,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:33:40,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:33:40,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:33:40,425 INFO L130 BoogieDeclarations]: Found specification of procedure bb_putchar [2024-11-28 03:33:40,425 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_putchar [2024-11-28 03:33:40,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-28 03:33:40,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:33:40,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-11-28 03:33:40,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-28 03:33:40,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-28 03:33:40,426 INFO L130 BoogieDeclarations]: Found specification of procedure ret_ERANGE [2024-11-28 03:33:40,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ret_ERANGE [2024-11-28 03:33:40,426 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2024-11-28 03:33:40,426 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2024-11-28 03:33:40,426 INFO L130 BoogieDeclarations]: Found specification of procedure get_width_prec [2024-11-28 03:33:40,426 INFO L138 BoogieDeclarations]: Found implementation of procedure get_width_prec [2024-11-28 03:33:40,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 03:33:40,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:33:40,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-28 03:33:40,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2024-11-28 03:33:40,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2024-11-28 03:33:40,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2024-11-28 03:33:40,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2024-11-28 03:33:40,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:33:40,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:33:40,428 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-28 03:33:40,428 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-28 03:33:40,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-28 03:33:40,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-11-28 03:33:40,428 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-11-28 03:33:40,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-11-28 03:33:40,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-28 03:33:40,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-28 03:33:40,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-28 03:33:40,429 INFO L130 BoogieDeclarations]: Found specification of procedure handle_errors [2024-11-28 03:33:40,429 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_errors [2024-11-28 03:33:40,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-28 03:33:40,430 INFO L130 BoogieDeclarations]: Found specification of procedure bb_process_escape_sequence [2024-11-28 03:33:40,430 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_process_escape_sequence [2024-11-28 03:33:40,430 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:33:40,430 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:33:40,430 INFO L130 BoogieDeclarations]: Found specification of procedure print_direc [2024-11-28 03:33:40,430 INFO L138 BoogieDeclarations]: Found implementation of procedure print_direc [2024-11-28 03:33:40,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:33:40,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-28 03:33:40,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-11-28 03:33:40,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-28 03:33:40,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-28 03:33:40,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-28 03:33:40,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE8 [2024-11-28 03:33:40,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2024-11-28 03:33:40,431 INFO L130 BoogieDeclarations]: Found specification of procedure bb_ascii_isalnum [2024-11-28 03:33:40,431 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_ascii_isalnum [2024-11-28 03:33:40,431 INFO L130 BoogieDeclarations]: Found specification of procedure bb_strtoll [2024-11-28 03:33:40,431 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_strtoll [2024-11-28 03:33:40,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-11-28 03:33:40,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2024-11-28 03:33:40,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-11-28 03:33:40,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2024-11-28 03:33:40,432 INFO L130 BoogieDeclarations]: Found specification of procedure multiconvert [2024-11-28 03:33:40,432 INFO L138 BoogieDeclarations]: Found implementation of procedure multiconvert [2024-11-28 03:33:40,432 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg [2024-11-28 03:33:40,432 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg [2024-11-28 03:33:41,029 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:33:41,032 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:33:51,458 INFO L? ?]: Removed 590 outVars from TransFormulas that were not future-live. [2024-11-28 03:33:51,458 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:33:51,485 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:33:51,485 INFO L312 CfgBuilder]: Removed 26 assume(true) statements. [2024-11-28 03:33:51,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:33:51 BoogieIcfgContainer [2024-11-28 03:33:51,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:33:51,489 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:33:51,489 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:33:51,495 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:33:51,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:33:37" (1/3) ... [2024-11-28 03:33:51,496 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e961c3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:33:51, skipping insertion in model container [2024-11-28 03:33:51,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:33:39" (2/3) ... [2024-11-28 03:33:51,496 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e961c3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:33:51, skipping insertion in model container [2024-11-28 03:33:51,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:33:51" (3/3) ... [2024-11-28 03:33:51,498 INFO L128 eAbstractionObserver]: Analyzing ICFG printf-2.i [2024-11-28 03:33:51,515 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:33:51,518 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG printf-2.i that has 15 procedures, 481 locations, 1 initial locations, 23 loop locations, and 44 error locations. [2024-11-28 03:33:51,592 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:33:51,606 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;@46a1d2f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:33:51,607 INFO L334 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2024-11-28 03:33:51,612 INFO L276 IsEmpty]: Start isEmpty. Operand has 481 states, 370 states have (on average 1.5972972972972972) internal successors, (591), 429 states have internal predecessors, (591), 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) [2024-11-28 03:33:51,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-28 03:33:51,618 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:33:51,619 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-28 03:33:51,620 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2024-11-28 03:33:51,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:51,625 INFO L85 PathProgramCache]: Analyzing trace with hash 861805071, now seen corresponding path program 1 times [2024-11-28 03:33:51,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:33:51,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1002631322] [2024-11-28 03:33:51,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:51,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:33:51,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:33:51,644 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:33:51,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:33:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:53,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 841 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:33:53,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:33:53,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:33:53,598 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:33:53,599 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:33:53,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002631322] [2024-11-28 03:33:53,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002631322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:53,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:33:53,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 03:33:53,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946137102] [2024-11-28 03:33:53,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:53,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:33:53,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:33:53,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:33:53,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:33:53,634 INFO L87 Difference]: Start difference. First operand has 481 states, 370 states have (on average 1.5972972972972972) internal successors, (591), 429 states have internal predecessors, (591), 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) [2024-11-28 03:33:53,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:33:53,709 INFO L93 Difference]: Finished difference Result 852 states and 1290 transitions. [2024-11-28 03:33:53,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:33:53,711 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 [2024-11-28 03:33:53,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:33:53,721 INFO L225 Difference]: With dead ends: 852 [2024-11-28 03:33:53,721 INFO L226 Difference]: Without dead ends: 358 [2024-11-28 03:33:53,729 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 [2024-11-28 03:33:53,732 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 [2024-11-28 03:33:53,733 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] [2024-11-28 03:33:53,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2024-11-28 03:33:53,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 358. [2024-11-28 03:33:53,804 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) [2024-11-28 03:33:53,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 493 transitions. [2024-11-28 03:33:53,821 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 493 transitions. Word has length 5 [2024-11-28 03:33:53,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:33:53,824 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 493 transitions. [2024-11-28 03:33:53,825 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) [2024-11-28 03:33:53,825 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 493 transitions. [2024-11-28 03:33:53,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-28 03:33:53,825 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:33:53,826 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-28 03:33:53,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:33:54,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:33:54,027 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2024-11-28 03:33:54,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:54,027 INFO L85 PathProgramCache]: Analyzing trace with hash 946154344, now seen corresponding path program 1 times [2024-11-28 03:33:54,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:33:54,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [681232301] [2024-11-28 03:33:54,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:54,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:33:54,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:33:54,032 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:33:54,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:33:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:55,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 842 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:33:55,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:33:56,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:33:56,235 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:33:56,236 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:33:56,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681232301] [2024-11-28 03:33:56,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [681232301] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:56,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:33:56,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:33:56,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827860041] [2024-11-28 03:33:56,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:56,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:33:56,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:33:56,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:33:56,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:33:56,239 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) [2024-11-28 03:33:56,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:33:56,586 INFO L93 Difference]: Finished difference Result 714 states and 984 transitions. [2024-11-28 03:33:56,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:33:56,587 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 [2024-11-28 03:33:56,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:33:56,590 INFO L225 Difference]: With dead ends: 714 [2024-11-28 03:33:56,590 INFO L226 Difference]: Without dead ends: 362 [2024-11-28 03:33:56,592 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 [2024-11-28 03:33:56,593 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 [2024-11-28 03:33:56,593 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] [2024-11-28 03:33:56,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-28 03:33:56,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2024-11-28 03:33:56,614 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) [2024-11-28 03:33:56,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 497 transitions. [2024-11-28 03:33:56,619 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 497 transitions. Word has length 6 [2024-11-28 03:33:56,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:33:56,619 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 497 transitions. [2024-11-28 03:33:56,619 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) [2024-11-28 03:33:56,619 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 497 transitions. [2024-11-28 03:33:56,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-28 03:33:56,620 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:33:56,620 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1] [2024-11-28 03:33:56,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 03:33:56,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:33:56,821 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2024-11-28 03:33:56,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:56,822 INFO L85 PathProgramCache]: Analyzing trace with hash -482528530, now seen corresponding path program 1 times [2024-11-28 03:33:56,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:33:56,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [968029348] [2024-11-28 03:33:56,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:56,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:33:56,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:33:56,825 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:33:56,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:33:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:58,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 855 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:33:58,489 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:33:59,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:33:59,129 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:33:59,904 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:33:59,904 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:33:59,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968029348] [2024-11-28 03:33:59,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968029348] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:33:59,905 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:33:59,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-28 03:33:59,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101379636] [2024-11-28 03:33:59,905 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:33:59,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:33:59,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:33:59,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:33:59,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:33:59,906 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) [2024-11-28 03:34:00,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:00,855 INFO L93 Difference]: Finished difference Result 718 states and 990 transitions. [2024-11-28 03:34:00,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:34:00,856 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 [2024-11-28 03:34:00,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:34:00,862 INFO L225 Difference]: With dead ends: 718 [2024-11-28 03:34:00,863 INFO L226 Difference]: Without dead ends: 366 [2024-11-28 03:34:00,864 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:34:00,865 INFO L435 NwaCegarLoop]: 487 mSDtfsCounter, 0 mSDsluCounter, 970 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:34:00,865 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1457 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 03:34:00,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-11-28 03:34:00,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 362. [2024-11-28 03:34:00,892 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) [2024-11-28 03:34:00,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 497 transitions. [2024-11-28 03:34:00,896 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 497 transitions. Word has length 10 [2024-11-28 03:34:00,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:34:00,897 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 497 transitions. [2024-11-28 03:34:00,897 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) [2024-11-28 03:34:00,898 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 497 transitions. [2024-11-28 03:34:00,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-28 03:34:00,898 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:34:00,898 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:34:00,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 03:34:01,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:01,099 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2024-11-28 03:34:01,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:01,099 INFO L85 PathProgramCache]: Analyzing trace with hash 835710582, now seen corresponding path program 1 times [2024-11-28 03:34:01,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:34:01,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1920822446] [2024-11-28 03:34:01,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:01,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:01,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:01,102 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:01,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:34:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:02,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 878 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:34:02,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:03,437 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 03:34:03,437 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:34:03,437 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:34:03,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1920822446] [2024-11-28 03:34:03,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1920822446] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:34:03,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:34:03,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:34:03,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982412970] [2024-11-28 03:34:03,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:34:03,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:34:03,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:34:03,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:34:03,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:34:03,440 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) [2024-11-28 03:34:04,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:04,531 INFO L93 Difference]: Finished difference Result 362 states and 497 transitions. [2024-11-28 03:34:04,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:34:04,532 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 [2024-11-28 03:34:04,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:34:04,536 INFO L225 Difference]: With dead ends: 362 [2024-11-28 03:34:04,537 INFO L226 Difference]: Without dead ends: 360 [2024-11-28 03:34:04,537 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 [2024-11-28 03:34:04,540 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 [2024-11-28 03:34:04,542 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] [2024-11-28 03:34:04,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-11-28 03:34:04,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2024-11-28 03:34:04,574 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) [2024-11-28 03:34:04,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 495 transitions. [2024-11-28 03:34:04,580 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 495 transitions. Word has length 19 [2024-11-28 03:34:04,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:34:04,582 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 495 transitions. [2024-11-28 03:34:04,582 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) [2024-11-28 03:34:04,582 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 495 transitions. [2024-11-28 03:34:04,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-28 03:34:04,586 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:34:04,586 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] [2024-11-28 03:34:04,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 03:34:04,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:04,787 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2024-11-28 03:34:04,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:04,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1442538306, now seen corresponding path program 1 times [2024-11-28 03:34:04,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:34:04,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1922147554] [2024-11-28 03:34:04,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:04,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:04,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:04,790 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:04,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:34:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:06,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 952 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:34:06,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:06,589 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 03:34:06,591 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:34:06,591 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:34:06,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922147554] [2024-11-28 03:34:06,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922147554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:34:06,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:34:06,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:34:06,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369289127] [2024-11-28 03:34:06,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:34:06,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:34:06,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:34:06,593 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:34:06,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:34:06,593 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) [2024-11-28 03:34:06,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:06,980 INFO L93 Difference]: Finished difference Result 707 states and 977 transitions. [2024-11-28 03:34:06,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:34:06,982 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 [2024-11-28 03:34:06,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:34:06,984 INFO L225 Difference]: With dead ends: 707 [2024-11-28 03:34:06,984 INFO L226 Difference]: Without dead ends: 364 [2024-11-28 03:34:06,988 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 [2024-11-28 03:34:06,989 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 [2024-11-28 03:34:06,991 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] [2024-11-28 03:34:06,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-28 03:34:07,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 364. [2024-11-28 03:34:07,013 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) [2024-11-28 03:34:07,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 499 transitions. [2024-11-28 03:34:07,019 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 499 transitions. Word has length 27 [2024-11-28 03:34:07,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:34:07,019 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 499 transitions. [2024-11-28 03:34:07,019 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) [2024-11-28 03:34:07,021 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 499 transitions. [2024-11-28 03:34:07,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-28 03:34:07,022 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:34:07,022 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] [2024-11-28 03:34:07,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 03:34:07,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:07,223 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2024-11-28 03:34:07,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:07,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1492209416, now seen corresponding path program 1 times [2024-11-28 03:34:07,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:34:07,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2116158086] [2024-11-28 03:34:07,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:07,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:07,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:07,229 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:07,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 03:34:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:08,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:34:08,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:09,437 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 03:34:09,438 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:34:10,327 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 03:34:10,327 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:34:10,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116158086] [2024-11-28 03:34:10,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116158086] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:34:10,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:34:10,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-28 03:34:10,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052017041] [2024-11-28 03:34:10,327 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:34:10,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:34:10,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:34:10,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:34:10,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:34:10,329 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) [2024-11-28 03:34:11,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:11,382 INFO L93 Difference]: Finished difference Result 715 states and 987 transitions. [2024-11-28 03:34:11,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:34:11,382 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 [2024-11-28 03:34:11,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:34:11,385 INFO L225 Difference]: With dead ends: 715 [2024-11-28 03:34:11,386 INFO L226 Difference]: Without dead ends: 368 [2024-11-28 03:34:11,387 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:34:11,388 INFO L435 NwaCegarLoop]: 484 mSDtfsCounter, 0 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1446 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:34:11,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1446 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 03:34:11,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-28 03:34:11,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 364. [2024-11-28 03:34:11,405 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) [2024-11-28 03:34:11,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 499 transitions. [2024-11-28 03:34:11,410 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 499 transitions. Word has length 31 [2024-11-28 03:34:11,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:34:11,410 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 499 transitions. [2024-11-28 03:34:11,410 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) [2024-11-28 03:34:11,411 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 499 transitions. [2024-11-28 03:34:11,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-28 03:34:11,411 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:34:11,412 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] [2024-11-28 03:34:11,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-28 03:34:11,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:11,612 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2024-11-28 03:34:11,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:11,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1296364046, now seen corresponding path program 1 times [2024-11-28 03:34:11,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:34:11,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1718689061] [2024-11-28 03:34:11,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:11,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:11,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:11,617 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:11,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 03:34:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:13,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 941 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:34:13,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:13,527 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 03:34:13,527 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:34:13,527 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:34:13,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718689061] [2024-11-28 03:34:13,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1718689061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:34:13,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:34:13,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:34:13,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542531613] [2024-11-28 03:34:13,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:34:13,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:34:13,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:34:13,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:34:13,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:34:13,529 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) [2024-11-28 03:34:13,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:13,846 INFO L93 Difference]: Finished difference Result 372 states and 508 transitions. [2024-11-28 03:34:13,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:34:13,847 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 [2024-11-28 03:34:13,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:34:13,850 INFO L225 Difference]: With dead ends: 372 [2024-11-28 03:34:13,850 INFO L226 Difference]: Without dead ends: 366 [2024-11-28 03:34:13,851 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 [2024-11-28 03:34:13,851 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 [2024-11-28 03:34:13,852 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] [2024-11-28 03:34:13,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-11-28 03:34:13,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2024-11-28 03:34:13,867 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) [2024-11-28 03:34:13,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 501 transitions. [2024-11-28 03:34:13,871 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 501 transitions. Word has length 31 [2024-11-28 03:34:13,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:34:13,871 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 501 transitions. [2024-11-28 03:34:13,872 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) [2024-11-28 03:34:13,872 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 501 transitions. [2024-11-28 03:34:13,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-28 03:34:13,873 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:34:13,873 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] [2024-11-28 03:34:13,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 03:34:14,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:14,073 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2024-11-28 03:34:14,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:14,074 INFO L85 PathProgramCache]: Analyzing trace with hash -740233324, now seen corresponding path program 1 times [2024-11-28 03:34:14,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:34:14,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1447226475] [2024-11-28 03:34:14,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:14,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:14,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:14,078 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:14,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 03:34:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:15,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 972 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:34:15,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:16,435 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 03:34:16,435 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:34:16,435 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:34:16,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447226475] [2024-11-28 03:34:16,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447226475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:34:16,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:34:16,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:34:16,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468584361] [2024-11-28 03:34:16,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:34:16,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:34:16,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:34:16,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:34:16,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:34:16,436 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) [2024-11-28 03:34:17,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:17,136 INFO L93 Difference]: Finished difference Result 381 states and 518 transitions. [2024-11-28 03:34:17,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:34:17,137 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 [2024-11-28 03:34:17,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:34:17,139 INFO L225 Difference]: With dead ends: 381 [2024-11-28 03:34:17,140 INFO L226 Difference]: Without dead ends: 380 [2024-11-28 03:34:17,140 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 [2024-11-28 03:34:17,141 INFO L435 NwaCegarLoop]: 483 mSDtfsCounter, 0 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:34:17,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 962 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 03:34:17,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-11-28 03:34:17,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2024-11-28 03:34:17,157 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) [2024-11-28 03:34:17,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 517 transitions. [2024-11-28 03:34:17,161 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 517 transitions. Word has length 35 [2024-11-28 03:34:17,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:34:17,165 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 517 transitions. [2024-11-28 03:34:17,166 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) [2024-11-28 03:34:17,166 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 517 transitions. [2024-11-28 03:34:17,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-28 03:34:17,167 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:34:17,167 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] [2024-11-28 03:34:17,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-28 03:34:17,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:17,368 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2024-11-28 03:34:17,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:17,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1286091417, now seen corresponding path program 1 times [2024-11-28 03:34:17,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:34:17,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1564940571] [2024-11-28 03:34:17,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:17,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:17,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:17,373 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:17,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 03:34:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:19,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:34:19,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:19,343 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 03:34:19,343 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:34:19,343 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:34:19,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564940571] [2024-11-28 03:34:19,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564940571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:34:19,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:34:19,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:34:19,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284386780] [2024-11-28 03:34:19,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:34:19,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:34:19,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:34:19,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:34:19,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:34:19,345 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) [2024-11-28 03:34:19,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:19,616 INFO L93 Difference]: Finished difference Result 385 states and 522 transitions. [2024-11-28 03:34:19,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:34:19,617 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 [2024-11-28 03:34:19,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:34:19,620 INFO L225 Difference]: With dead ends: 385 [2024-11-28 03:34:19,620 INFO L226 Difference]: Without dead ends: 384 [2024-11-28 03:34:19,620 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 [2024-11-28 03:34:19,621 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 [2024-11-28 03:34:19,621 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] [2024-11-28 03:34:19,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-28 03:34:19,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 384. [2024-11-28 03:34:19,635 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) [2024-11-28 03:34:19,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 521 transitions. [2024-11-28 03:34:19,639 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 521 transitions. Word has length 35 [2024-11-28 03:34:19,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:34:19,639 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 521 transitions. [2024-11-28 03:34:19,639 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) [2024-11-28 03:34:19,640 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 521 transitions. [2024-11-28 03:34:19,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-28 03:34:19,640 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:34:19,641 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] [2024-11-28 03:34:19,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-28 03:34:19,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:19,841 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2024-11-28 03:34:19,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:19,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1129734751, now seen corresponding path program 1 times [2024-11-28 03:34:19,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:34:19,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [628899322] [2024-11-28 03:34:19,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:19,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:19,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:19,844 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:19,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-28 03:34:21,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:21,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 1007 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:34:21,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:22,359 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 03:34:22,359 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:34:22,360 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:34:22,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628899322] [2024-11-28 03:34:22,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628899322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:34:22,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:34:22,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:34:22,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249797654] [2024-11-28 03:34:22,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:34:22,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:34:22,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:34:22,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:34:22,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:34:22,362 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) [2024-11-28 03:34:23,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:23,614 INFO L93 Difference]: Finished difference Result 400 states and 536 transitions. [2024-11-28 03:34:23,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:34:23,615 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 [2024-11-28 03:34:23,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:34:23,618 INFO L225 Difference]: With dead ends: 400 [2024-11-28 03:34:23,618 INFO L226 Difference]: Without dead ends: 397 [2024-11-28 03:34:23,619 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 [2024-11-28 03:34:23,620 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 [2024-11-28 03:34:23,620 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] [2024-11-28 03:34:23,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-11-28 03:34:23,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 394. [2024-11-28 03:34:23,643 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) [2024-11-28 03:34:23,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 531 transitions. [2024-11-28 03:34:23,647 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 531 transitions. Word has length 38 [2024-11-28 03:34:23,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:34:23,647 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 531 transitions. [2024-11-28 03:34:23,648 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) [2024-11-28 03:34:23,648 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 531 transitions. [2024-11-28 03:34:23,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-28 03:34:23,649 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:34:23,649 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] [2024-11-28 03:34:23,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-28 03:34:23,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:23,850 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2024-11-28 03:34:23,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:23,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1129736673, now seen corresponding path program 1 times [2024-11-28 03:34:23,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:34:23,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [653093228] [2024-11-28 03:34:23,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:23,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:23,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:23,854 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:23,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-28 03:34:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:25,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 1004 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:34:25,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:27,087 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 03:34:27,087 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:34:27,087 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:34:27,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653093228] [2024-11-28 03:34:27,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653093228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:34:27,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:34:27,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:34:27,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522643624] [2024-11-28 03:34:27,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:34:27,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:34:27,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:34:27,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:34:27,090 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:34:27,090 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) [2024-11-28 03:34:29,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:29,568 INFO L93 Difference]: Finished difference Result 742 states and 1010 transitions. [2024-11-28 03:34:29,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:34:29,569 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 [2024-11-28 03:34:29,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:34:29,572 INFO L225 Difference]: With dead ends: 742 [2024-11-28 03:34:29,573 INFO L226 Difference]: Without dead ends: 394 [2024-11-28 03:34:29,574 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 [2024-11-28 03:34:29,575 INFO L435 NwaCegarLoop]: 474 mSDtfsCounter, 158 mSDsluCounter, 1724 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 2198 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:34:29,575 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 2198 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-28 03:34:29,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-28 03:34:29,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2024-11-28 03:34:29,593 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) [2024-11-28 03:34:29,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 530 transitions. [2024-11-28 03:34:29,596 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 530 transitions. Word has length 38 [2024-11-28 03:34:29,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:34:29,597 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 530 transitions. [2024-11-28 03:34:29,597 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) [2024-11-28 03:34:29,597 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 530 transitions. [2024-11-28 03:34:29,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-28 03:34:29,598 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:34:29,599 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] [2024-11-28 03:34:29,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-28 03:34:29,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:29,799 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2024-11-28 03:34:29,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:29,800 INFO L85 PathProgramCache]: Analyzing trace with hash -980029200, now seen corresponding path program 1 times [2024-11-28 03:34:29,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:34:29,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1114936870] [2024-11-28 03:34:29,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:29,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:29,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:29,806 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:29,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-28 03:34:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:31,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:34:31,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:33,070 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-28 03:34:33,070 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:34:34,981 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-28 03:34:34,982 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:34:34,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114936870] [2024-11-28 03:34:34,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114936870] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:34:34,982 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:34:34,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-28 03:34:34,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292734715] [2024-11-28 03:34:34,982 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:34:34,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:34:34,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:34:34,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:34:34,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:34:34,983 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) [2024-11-28 03:34:36,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:36,462 INFO L93 Difference]: Finished difference Result 423 states and 566 transitions. [2024-11-28 03:34:36,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:34:36,463 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 [2024-11-28 03:34:36,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:34:36,467 INFO L225 Difference]: With dead ends: 423 [2024-11-28 03:34:36,467 INFO L226 Difference]: Without dead ends: 422 [2024-11-28 03:34:36,467 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:34:36,468 INFO L435 NwaCegarLoop]: 487 mSDtfsCounter, 0 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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 [2024-11-28 03:34:36,468 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] [2024-11-28 03:34:36,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2024-11-28 03:34:36,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 380. [2024-11-28 03:34:36,485 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) [2024-11-28 03:34:36,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 515 transitions. [2024-11-28 03:34:36,488 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 515 transitions. Word has length 49 [2024-11-28 03:34:36,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:34:36,489 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 515 transitions. [2024-11-28 03:34:36,489 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) [2024-11-28 03:34:36,489 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 515 transitions. [2024-11-28 03:34:36,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-28 03:34:36,490 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:34:36,490 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] [2024-11-28 03:34:36,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-28 03:34:36,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:36,691 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2024-11-28 03:34:36,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:36,692 INFO L85 PathProgramCache]: Analyzing trace with hash -98591995, now seen corresponding path program 1 times [2024-11-28 03:34:36,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:34:36,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1404187888] [2024-11-28 03:34:36,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:36,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:36,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:36,697 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:36,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-28 03:34:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:38,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 1071 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:34:38,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:39,531 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 03:34:39,531 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:34:40,725 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 03:34:40,725 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:34:40,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404187888] [2024-11-28 03:34:40,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1404187888] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:34:40,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:34:40,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-28 03:34:40,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888205821] [2024-11-28 03:34:40,726 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:34:40,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:34:40,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:34:40,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:34:40,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:34:40,727 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) [2024-11-28 03:34:43,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:43,101 INFO L93 Difference]: Finished difference Result 758 states and 1030 transitions. [2024-11-28 03:34:43,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:34:43,102 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 [2024-11-28 03:34:43,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:34:43,105 INFO L225 Difference]: With dead ends: 758 [2024-11-28 03:34:43,105 INFO L226 Difference]: Without dead ends: 396 [2024-11-28 03:34:43,107 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:34:43,108 INFO L435 NwaCegarLoop]: 484 mSDtfsCounter, 12 mSDsluCounter, 2400 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2884 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:34:43,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2884 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-28 03:34:43,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-28 03:34:43,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2024-11-28 03:34:43,124 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) [2024-11-28 03:34:43,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 531 transitions. [2024-11-28 03:34:43,128 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 531 transitions. Word has length 52 [2024-11-28 03:34:43,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:34:43,128 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 531 transitions. [2024-11-28 03:34:43,128 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) [2024-11-28 03:34:43,129 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 531 transitions. [2024-11-28 03:34:43,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-28 03:34:43,129 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:34:43,129 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] [2024-11-28 03:34:43,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-28 03:34:43,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:43,330 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2024-11-28 03:34:43,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:43,331 INFO L85 PathProgramCache]: Analyzing trace with hash -745781011, now seen corresponding path program 2 times [2024-11-28 03:34:43,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:34:43,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1224582605] [2024-11-28 03:34:43,333 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:34:43,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:43,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:43,338 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:43,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241b50ea-2f3d-419b-860a-666d9c20ff8e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process