./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a7f67f0b945b231903325b9d87712fabf07c1ed9b39f1b1898d1ef5cff9915d4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:45:49,424 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:45:49,509 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-13 12:45:49,519 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:45:49,519 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:45:49,562 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:45:49,563 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:45:49,564 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:45:49,564 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 12:45:49,565 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 12:45:49,565 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:45:49,566 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:45:49,566 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:45:49,566 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:45:49,567 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:45:49,567 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:45:49,567 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:45:49,567 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:45:49,568 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:45:49,568 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:45:49,568 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:45:49,568 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:45:49,568 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:45:49,568 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:45:49,568 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:45:49,568 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:45:49,569 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:45:49,569 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 12:45:49,569 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:45:49,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:45:49,569 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:45:49,569 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:45:49,569 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:45:49,569 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:45:49,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 12:45:49,570 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:45:49,570 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 12:45:49,570 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 12:45:49,570 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 12:45:49,570 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_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7f67f0b945b231903325b9d87712fabf07c1ed9b39f1b1898d1ef5cff9915d4 [2024-11-13 12:45:49,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:45:49,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:45:49,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:45:49,959 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:45:49,959 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:45:49,961 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i Unable to find full path for "g++" [2024-11-13 12:45:51,954 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:45:52,640 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:45:52,640 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i [2024-11-13 12:45:52,692 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/bin/uautomizer-verify-qhAvR1uOyd/data/dbdaa3f97/24fba526f2264042b0e56d56e4c333c0/FLAG81b754849 [2024-11-13 12:45:52,712 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/bin/uautomizer-verify-qhAvR1uOyd/data/dbdaa3f97/24fba526f2264042b0e56d56e4c333c0 [2024-11-13 12:45:52,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:45:52,717 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:45:52,718 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:45:52,719 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:45:52,725 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:45:52,726 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:45:52" (1/1) ... [2024-11-13 12:45:52,729 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1298308b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:52, skipping insertion in model container [2024-11-13 12:45:52,730 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:45:52" (1/1) ... [2024-11-13 12:45:52,865 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:45:53,201 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i[4497,4510] [2024-11-13 12:45:53,214 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i[4557,4570] [2024-11-13 12:45:54,314 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 12:45:54,315 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 12:45:54,315 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 12:45:54,318 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 12:45:54,319 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 12:45:54,343 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 12:45:54,344 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 12:45:54,346 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 12:45:54,347 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 12:45:55,276 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 12:45:55,276 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 12:45:55,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:45:55,520 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:45:55,541 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i[4497,4510] [2024-11-13 12:45:55,545 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i[4557,4570] [2024-11-13 12:45:55,617 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 12:45:55,619 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 12:45:55,619 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 12:45:55,620 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 12:45:55,621 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 12:45:55,633 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 12:45:55,634 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 12:45:55,640 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 12:45:55,640 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 12:45:55,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-11-13 12:45:55,838 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 12:45:55,839 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 12:45:55,859 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-11-13 12:45:55,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:45:56,202 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:45:56,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:56 WrapperNode [2024-11-13 12:45:56,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:45:56,204 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:45:56,204 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:45:56,204 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:45:56,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:56" (1/1) ... [2024-11-13 12:45:56,351 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:56" (1/1) ... [2024-11-13 12:45:56,464 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 876 [2024-11-13 12:45:56,465 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:45:56,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:45:56,465 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:45:56,465 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:45:56,484 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:56" (1/1) ... [2024-11-13 12:45:56,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:56" (1/1) ... [2024-11-13 12:45:56,492 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:56" (1/1) ... [2024-11-13 12:45:56,582 INFO L175 MemorySlicer]: Split 562 memory accesses to 7 slices as follows [2, 8, 257, 238, 47, 4, 6]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 5, 0, 6, 8, 0, 0]. The 497 writes are split as follows [0, 1, 257, 232, 3, 2, 2]. [2024-11-13 12:45:56,583 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:56" (1/1) ... [2024-11-13 12:45:56,583 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:56" (1/1) ... [2024-11-13 12:45:56,627 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:56" (1/1) ... [2024-11-13 12:45:56,631 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:56" (1/1) ... [2024-11-13 12:45:56,639 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:56" (1/1) ... [2024-11-13 12:45:56,643 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:56" (1/1) ... [2024-11-13 12:45:56,655 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:45:56,656 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:45:56,656 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:45:56,656 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:45:56,661 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:56" (1/1) ... [2024-11-13 12:45:56,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:45:56,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:45:56,716 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 12:45:56,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 12:45:56,755 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-13 12:45:56,755 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-13 12:45:56,755 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton32 [2024-11-13 12:45:56,755 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton32 [2024-11-13 12:45:56,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 12:45:56,756 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-13 12:45:56,757 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-13 12:45:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-13 12:45:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-13 12:45:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-13 12:45:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-13 12:45:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-13 12:45:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-13 12:45:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-13 12:45:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 12:45:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 12:45:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 12:45:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 12:45:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-13 12:45:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-13 12:45:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-13 12:45:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 12:45:56,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 12:45:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 12:45:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:45:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-13 12:45:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-13 12:45:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-13 12:45:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-13 12:45:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-13 12:45:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-13 12:45:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-13 12:45:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-13 12:45:56,760 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-13 12:45:56,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:45:56,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:45:56,760 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-13 12:45:56,760 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-13 12:45:56,760 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-13 12:45:56,760 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-13 12:45:56,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-13 12:45:56,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-13 12:45:56,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-13 12:45:56,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-13 12:45:56,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-13 12:45:56,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-13 12:45:56,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-13 12:45:56,761 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 12:45:56,761 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 12:45:56,761 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-13 12:45:56,761 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-13 12:45:56,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 12:45:56,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 12:45:56,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 12:45:56,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-13 12:45:56,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-13 12:45:56,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-13 12:45:56,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-13 12:45:56,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-13 12:45:56,764 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-13 12:45:56,765 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-13 12:45:56,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-13 12:45:56,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-13 12:45:56,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-13 12:45:56,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-13 12:45:56,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-13 12:45:56,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-13 12:45:56,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-13 12:45:56,767 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-13 12:45:56,767 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-13 12:45:56,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 12:45:56,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 12:45:56,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 12:45:56,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 12:45:56,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-13 12:45:56,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-13 12:45:56,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-13 12:45:56,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 12:45:56,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 12:45:56,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 12:45:56,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 12:45:56,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-13 12:45:56,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-13 12:45:56,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-13 12:45:57,212 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:45:57,214 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:46:07,009 INFO L? ?]: Removed 104 outVars from TransFormulas that were not future-live. [2024-11-13 12:46:07,009 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:46:07,028 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:46:07,031 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 12:46:07,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:46:07 BoogieIcfgContainer [2024-11-13 12:46:07,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:46:07,034 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:46:07,035 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:46:07,043 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:46:07,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:45:52" (1/3) ... [2024-11-13 12:46:07,045 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@88308c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:46:07, skipping insertion in model container [2024-11-13 12:46:07,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:56" (2/3) ... [2024-11-13 12:46:07,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@88308c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:46:07, skipping insertion in model container [2024-11-13 12:46:07,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:46:07" (3/3) ... [2024-11-13 12:46:07,048 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be32_harness_negated.i [2024-11-13 12:46:07,070 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:46:07,072 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_be32_harness_negated.i that has 12 procedures, 136 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 12:46:07,134 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 12:46:07,149 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;@51451a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:46:07,149 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 12:46:07,153 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 88 states have (on average 1.2272727272727273) internal successors, (108), 89 states have internal predecessors, (108), 35 states have call successors, (35), 11 states have call predecessors, (35), 11 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-13 12:46:07,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-13 12:46:07,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:07,165 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:46:07,166 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:46:07,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:07,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1562921065, now seen corresponding path program 1 times [2024-11-13 12:46:07,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:46:07,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561853329] [2024-11-13 12:46:07,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:07,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:47:55,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:47:56,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 12:47:56,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:47:56,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 12:47:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:47:56,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 12:47:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:47:56,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 12:47:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:47:56,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 12:47:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:47:57,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 12:47:57,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:47:57,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-13 12:47:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:47:57,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 12:47:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:47:57,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 12:47:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:47:57,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 12:47:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:47:57,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 12:47:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:47:57,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 12:47:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:47:57,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 12:47:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:47:57,204 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-13 12:47:57,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:47:57,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561853329] [2024-11-13 12:47:57,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561853329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:47:57,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:47:57,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:47:57,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812489598] [2024-11-13 12:47:57,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:47:57,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:47:57,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:47:57,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:47:57,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:57,252 INFO L87 Difference]: Start difference. First operand has 136 states, 88 states have (on average 1.2272727272727273) internal successors, (108), 89 states have internal predecessors, (108), 35 states have call successors, (35), 11 states have call predecessors, (35), 11 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 12:48:01,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 12:48:04,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:48:04,066 INFO L93 Difference]: Finished difference Result 267 states and 376 transitions. [2024-11-13 12:48:04,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:48:04,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) Word has length 91 [2024-11-13 12:48:04,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:48:04,079 INFO L225 Difference]: With dead ends: 267 [2024-11-13 12:48:04,079 INFO L226 Difference]: Without dead ends: 131 [2024-11-13 12:48:04,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:48:04,087 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 76 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 22 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2024-11-13 12:48:04,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 121 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 116 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2024-11-13 12:48:04,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-13 12:48:04,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2024-11-13 12:48:04,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 84 states have (on average 1.2023809523809523) internal successors, (101), 85 states have internal predecessors, (101), 35 states have call successors, (35), 11 states have call predecessors, (35), 11 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-13 12:48:04,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 170 transitions. [2024-11-13 12:48:04,152 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 170 transitions. Word has length 91 [2024-11-13 12:48:04,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:48:04,153 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 170 transitions. [2024-11-13 12:48:04,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 12:48:04,153 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 170 transitions. [2024-11-13 12:48:04,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-13 12:48:04,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:48:04,157 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:48:04,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 12:48:04,158 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:48:04,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:48:04,159 INFO L85 PathProgramCache]: Analyzing trace with hash -814695571, now seen corresponding path program 1 times [2024-11-13 12:48:04,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:48:04,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041360732] [2024-11-13 12:48:04,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:48:04,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:49:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:49:55,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 12:49:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:49:55,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 12:49:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:49:55,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 12:49:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:49:55,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 12:49:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:49:55,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 12:49:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:49:56,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 12:49:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:49:56,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-13 12:49:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:49:56,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 12:49:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:49:56,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 12:49:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:49:56,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 12:49:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:49:56,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 12:49:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:49:56,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 12:49:56,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:49:56,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 12:49:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:49:56,489 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-13 12:49:56,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:49:56,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041360732] [2024-11-13 12:49:56,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041360732] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:49:56,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080723822] [2024-11-13 12:49:56,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:49:56,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:49:56,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:49:56,497 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:49:56,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 12:51:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:51:45,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 7724 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 12:51:45,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:51:47,036 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-13 12:51:47,037 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:51:47,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080723822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:51:47,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:51:47,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2024-11-13 12:51:47,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427881705] [2024-11-13 12:51:47,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:51:47,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:51:47,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:51:47,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:51:47,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-13 12:51:47,041 INFO L87 Difference]: Start difference. First operand 131 states and 170 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-13 12:51:48,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:51:48,575 INFO L93 Difference]: Finished difference Result 239 states and 318 transitions. [2024-11-13 12:51:48,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:51:48,577 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 91 [2024-11-13 12:51:48,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:51:48,581 INFO L225 Difference]: With dead ends: 239 [2024-11-13 12:51:48,581 INFO L226 Difference]: Without dead ends: 134 [2024-11-13 12:51:48,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-13 12:51:48,585 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 177 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 12:51:48,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 370 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 12:51:48,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-11-13 12:51:48,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2024-11-13 12:51:48,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.197674418604651) internal successors, (103), 88 states have internal predecessors, (103), 35 states have call successors, (35), 11 states have call predecessors, (35), 12 states have return successors, (38), 34 states have call predecessors, (38), 34 states have call successors, (38) [2024-11-13 12:51:48,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 176 transitions. [2024-11-13 12:51:48,624 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 176 transitions. Word has length 91 [2024-11-13 12:51:48,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:51:48,624 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 176 transitions. [2024-11-13 12:51:48,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-13 12:51:48,625 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 176 transitions. [2024-11-13 12:51:48,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 12:51:48,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:51:48,628 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:51:48,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-13 12:51:48,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-13 12:51:48,830 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:51:48,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:51:48,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1620442208, now seen corresponding path program 1 times [2024-11-13 12:51:48,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:51:48,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859011252] [2024-11-13 12:51:48,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:51:48,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:53:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:53:40,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 12:53:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:53:40,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 12:53:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:53:40,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 12:53:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:53:40,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 12:53:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:53:40,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 12:53:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:53:40,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 12:53:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:53:40,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 12:53:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:53:40,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 12:53:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:53:40,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 12:53:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:53:40,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 12:53:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:53:40,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 12:53:40,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:53:40,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 12:53:40,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:53:40,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 12:53:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:53:40,709 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-13 12:53:40,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:53:40,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859011252] [2024-11-13 12:53:40,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859011252] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:53:40,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424831272] [2024-11-13 12:53:40,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:53:40,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:53:40,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:53:40,716 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:53:40,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 12:55:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:55:56,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 7738 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 12:55:56,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:55:56,893 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-13 12:55:56,893 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:55:56,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424831272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:55:56,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:55:56,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2024-11-13 12:55:56,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546454959] [2024-11-13 12:55:56,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:55:56,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:55:56,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:55:56,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:55:56,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:55:56,897 INFO L87 Difference]: Start difference. First operand 134 states and 176 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 12:55:57,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:55:57,072 INFO L93 Difference]: Finished difference Result 245 states and 333 transitions. [2024-11-13 12:55:57,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:55:57,074 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 97 [2024-11-13 12:55:57,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:55:57,077 INFO L225 Difference]: With dead ends: 245 [2024-11-13 12:55:57,077 INFO L226 Difference]: Without dead ends: 137 [2024-11-13 12:55:57,078 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:55:57,079 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 1 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 495 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 [2024-11-13 12:55:57,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 495 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 12:55:57,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-13 12:55:57,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 136. [2024-11-13 12:55:57,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 88 states have (on average 1.1931818181818181) internal successors, (105), 90 states have internal predecessors, (105), 35 states have call successors, (35), 11 states have call predecessors, (35), 12 states have return successors, (38), 34 states have call predecessors, (38), 34 states have call successors, (38) [2024-11-13 12:55:57,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 178 transitions. [2024-11-13 12:55:57,119 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 178 transitions. Word has length 97 [2024-11-13 12:55:57,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:55:57,120 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 178 transitions. [2024-11-13 12:55:57,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 12:55:57,120 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 178 transitions. [2024-11-13 12:55:57,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 12:55:57,123 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:55:57,123 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:55:57,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 12:55:57,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:55:57,324 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:55:57,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:55:57,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1566049310, now seen corresponding path program 1 times [2024-11-13 12:55:57,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:55:57,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708608578] [2024-11-13 12:55:57,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:55:57,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:57:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:57:58,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 12:57:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:57:58,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 12:57:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:57:58,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 12:57:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:57:58,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 12:57:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:57:58,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 12:57:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:57:58,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 12:57:58,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:57:58,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 12:57:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:57:58,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 12:57:58,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:57:58,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 12:57:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:57:58,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 12:57:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:57:58,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 12:57:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:57:58,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 12:57:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:57:58,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 12:57:58,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:57:58,950 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-13 12:57:58,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:57:58,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708608578] [2024-11-13 12:57:58,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708608578] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:57:58,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626255691] [2024-11-13 12:57:58,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:57:58,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:57:58,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:57:58,955 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:57:58,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 12:59:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:55,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 7733 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 12:59:55,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:59:55,242 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-13 12:59:55,243 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:59:55,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1626255691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:59:55,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:59:55,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2024-11-13 12:59:55,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184569761] [2024-11-13 12:59:55,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:59:55,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:59:55,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:59:55,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:59:55,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:59:55,246 INFO L87 Difference]: Start difference. First operand 136 states and 178 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 12:59:55,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:59:55,400 INFO L93 Difference]: Finished difference Result 248 states and 336 transitions. [2024-11-13 12:59:55,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:59:55,401 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 97 [2024-11-13 12:59:55,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:59:55,404 INFO L225 Difference]: With dead ends: 248 [2024-11-13 12:59:55,404 INFO L226 Difference]: Without dead ends: 138 [2024-11-13 12:59:55,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:59:55,406 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 12:59:55,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 496 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 12:59:55,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-13 12:59:55,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2024-11-13 12:59:55,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 90 states have (on average 1.1888888888888889) internal successors, (107), 92 states have internal predecessors, (107), 35 states have call successors, (35), 11 states have call predecessors, (35), 12 states have return successors, (38), 34 states have call predecessors, (38), 34 states have call successors, (38) [2024-11-13 12:59:55,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 180 transitions. [2024-11-13 12:59:55,434 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 180 transitions. Word has length 97 [2024-11-13 12:59:55,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:59:55,435 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 180 transitions. [2024-11-13 12:59:55,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 12:59:55,436 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 180 transitions. [2024-11-13 12:59:55,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 12:59:55,437 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:59:55,438 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:59:55,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-13 12:59:55,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dbf44b-2373-4004-90e7-f1cd2b6620d7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:59:55,638 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:59:55,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:59:55,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1942557662, now seen corresponding path program 1 times [2024-11-13 12:59:55,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:59:55,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981772802] [2024-11-13 12:59:55,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:59:55,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms