./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.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_646634e2-4531-42c9-8d50-60e3ad5dad5b/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646634e2-4531-42c9-8d50-60e3ad5dad5b/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_646634e2-4531-42c9-8d50-60e3ad5dad5b/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646634e2-4531-42c9-8d50-60e3ad5dad5b/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646634e2-4531-42c9-8d50-60e3ad5dad5b/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_646634e2-4531-42c9-8d50-60e3ad5dad5b/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 848e8aaf2da1050f60bda552a6204df78dfc0f4df819a9c6dc06d2a6a5e3d82f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:31:30,135 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:31:30,255 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646634e2-4531-42c9-8d50-60e3ad5dad5b/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-13 15:31:30,262 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:31:30,263 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:31:30,307 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:31:30,310 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:31:30,311 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:31:30,311 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:31:30,311 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:31:30,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:31:30,312 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:31:30,312 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:31:30,313 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:31:30,313 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:31:30,313 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:31:30,313 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:31:30,313 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:31:30,314 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:31:30,314 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:31:30,314 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:31:30,314 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:31:30,314 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:31:30,315 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:31:30,315 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:31:30,315 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:31:30,315 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:31:30,315 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:31:30,316 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:31:30,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:31:30,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:31:30,316 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:31:30,316 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:31:30,317 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:31:30,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:31:30,317 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:31:30,318 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:31:30,318 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:31:30,318 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:31:30,318 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_646634e2-4531-42c9-8d50-60e3ad5dad5b/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 -> 848e8aaf2da1050f60bda552a6204df78dfc0f4df819a9c6dc06d2a6a5e3d82f [2024-11-13 15:31:30,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:31:30,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:31:30,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:31:30,696 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:31:30,697 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:31:30,699 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646634e2-4531-42c9-8d50-60e3ad5dad5b/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i Unable to find full path for "g++" [2024-11-13 15:31:32,636 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:31:33,368 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:31:33,368 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646634e2-4531-42c9-8d50-60e3ad5dad5b/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i [2024-11-13 15:31:33,432 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646634e2-4531-42c9-8d50-60e3ad5dad5b/bin/uautomizer-verify-qhAvR1uOyd/data/e593c7965/07b99547b75a4f26baff293f4f0e75d7/FLAG20ad46d57 [2024-11-13 15:31:33,454 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646634e2-4531-42c9-8d50-60e3ad5dad5b/bin/uautomizer-verify-qhAvR1uOyd/data/e593c7965/07b99547b75a4f26baff293f4f0e75d7 [2024-11-13 15:31:33,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:31:33,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:31:33,465 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:31:33,467 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:31:33,473 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:31:33,474 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:31:33" (1/1) ... [2024-11-13 15:31:33,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73e5c2ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:33, skipping insertion in model container [2024-11-13 15:31:33,477 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:31:33" (1/1) ... [2024-11-13 15:31:33,606 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:31:33,913 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_646634e2-4531-42c9-8d50-60e3ad5dad5b/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4497,4510] [2024-11-13 15:31:33,921 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_646634e2-4531-42c9-8d50-60e3ad5dad5b/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4557,4570] [2024-11-13 15:31:35,064 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:31:35,066 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:31:35,067 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:31:35,068 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:31:35,070 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:31:35,088 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:31:35,089 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:31:35,091 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:31:35,092 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:31:36,103 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:31:36,107 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:31:36,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:31:36,304 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:31:36,328 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_646634e2-4531-42c9-8d50-60e3ad5dad5b/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4497,4510] [2024-11-13 15:31:36,329 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_646634e2-4531-42c9-8d50-60e3ad5dad5b/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4557,4570] [2024-11-13 15:31:36,400 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:31:36,402 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:31:36,402 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:31:36,403 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:31:36,404 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:31:36,416 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:31:36,417 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:31:36,418 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:31:36,418 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:31:36,604 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-13 15:31:36,606 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:31:36,607 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:31:36,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-13 15:31:36,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:31:37,013 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:31:37,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:37 WrapperNode [2024-11-13 15:31:37,015 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:31:37,016 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:31:37,017 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:31:37,017 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:31:37,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:37" (1/1) ... [2024-11-13 15:31:37,186 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:37" (1/1) ... [2024-11-13 15:31:37,275 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 871 [2024-11-13 15:31:37,275 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:31:37,276 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:31:37,276 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:31:37,276 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:31:37,296 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:37" (1/1) ... [2024-11-13 15:31:37,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:37" (1/1) ... [2024-11-13 15:31:37,311 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:37" (1/1) ... [2024-11-13 15:31:37,423 INFO L175 MemorySlicer]: Split 564 memory accesses to 8 slices as follows [8, 2, 257, 238, 6, 47, 4, 2]. 46 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [5, 2, 0, 6, 0, 8, 0, 1]. The 497 writes are split as follows [1, 0, 257, 232, 2, 3, 2, 0]. [2024-11-13 15:31:37,423 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:37" (1/1) ... [2024-11-13 15:31:37,423 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:37" (1/1) ... [2024-11-13 15:31:37,495 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:37" (1/1) ... [2024-11-13 15:31:37,499 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:37" (1/1) ... [2024-11-13 15:31:37,508 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:37" (1/1) ... [2024-11-13 15:31:37,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:37" (1/1) ... [2024-11-13 15:31:37,524 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:31:37,525 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:31:37,526 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:31:37,526 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:31:37,527 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:37" (1/1) ... [2024-11-13 15:31:37,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:31:37,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646634e2-4531-42c9-8d50-60e3ad5dad5b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:31:37,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646634e2-4531-42c9-8d50-60e3ad5dad5b/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:31:37,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646634e2-4531-42c9-8d50-60e3ad5dad5b/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:31:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton64 [2024-11-13 15:31:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton64 [2024-11-13 15:31:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-13 15:31:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-13 15:31:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 15:31:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-13 15:31:37,618 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-13 15:31:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-13 15:31:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-13 15:31:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-13 15:31:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-13 15:31:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-13 15:31:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-13 15:31:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-13 15:31:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-13 15:31:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 15:31:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 15:31:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 15:31:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 15:31:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-13 15:31:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-13 15:31:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-13 15:31:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-13 15:31:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 15:31:37,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 15:31:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 15:31:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:31:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-13 15:31:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-13 15:31:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-13 15:31:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-13 15:31:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-13 15:31:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-13 15:31:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-13 15:31:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-13 15:31:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-13 15:31:37,624 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-13 15:31:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:31:37,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:31:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-13 15:31:37,624 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-13 15:31:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-13 15:31:37,624 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-13 15:31:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-13 15:31:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-13 15:31:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-13 15:31:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-13 15:31:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-13 15:31:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-13 15:31:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-13 15:31:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-13 15:31:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 15:31:37,625 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 15:31:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-13 15:31:37,625 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-13 15:31:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 15:31:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 15:31:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 15:31:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-13 15:31:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-13 15:31:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-13 15:31:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-13 15:31:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-13 15:31:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-13 15:31:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-13 15:31:37,626 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-13 15:31:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-13 15:31:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-13 15:31:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-13 15:31:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-13 15:31:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-13 15:31:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-13 15:31:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-13 15:31:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-13 15:31:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-13 15:31:37,626 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-13 15:31:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-13 15:31:37,630 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-13 15:31:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 15:31:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 15:31:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 15:31:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 15:31:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-13 15:31:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-13 15:31:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-13 15:31:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-13 15:31:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_big_endian [2024-11-13 15:31:37,631 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_big_endian [2024-11-13 15:31:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:31:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 15:31:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 15:31:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 15:31:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-13 15:31:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-13 15:31:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-13 15:31:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-13 15:31:38,051 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:31:38,053 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:31:47,896 INFO L? ?]: Removed 112 outVars from TransFormulas that were not future-live. [2024-11-13 15:31:47,896 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:31:47,913 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:31:47,915 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 15:31:47,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:31:47 BoogieIcfgContainer [2024-11-13 15:31:47,916 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:31:47,919 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:31:47,919 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:31:47,924 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:31:47,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:31:33" (1/3) ... [2024-11-13 15:31:47,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c65ebdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:31:47, skipping insertion in model container [2024-11-13 15:31:47,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:37" (2/3) ... [2024-11-13 15:31:47,927 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c65ebdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:31:47, skipping insertion in model container [2024-11-13 15:31:47,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:31:47" (3/3) ... [2024-11-13 15:31:47,929 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be64_harness.i [2024-11-13 15:31:47,948 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:31:47,950 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_be64_harness.i that has 14 procedures, 150 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 15:31:48,011 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:31:48,023 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;@1511bb7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:31:48,023 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:31:48,028 INFO L276 IsEmpty]: Start isEmpty. Operand has 150 states, 98 states have (on average 1.2346938775510203) internal successors, (121), 99 states have internal predecessors, (121), 37 states have call successors, (37), 13 states have call predecessors, (37), 13 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-13 15:31:48,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-13 15:31:48,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:31:48,040 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:31:48,041 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:31:48,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:31:48,046 INFO L85 PathProgramCache]: Analyzing trace with hash -2066960717, now seen corresponding path program 1 times [2024-11-13 15:31:48,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:31:48,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368781594] [2024-11-13 15:31:48,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:48,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:33:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:17,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:33:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:17,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:33:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:17,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-13 15:33:17,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:17,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 15:33:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:17,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:33:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:17,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 15:33:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:17,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 15:33:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:17,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 15:33:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:17,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 15:33:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:17,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-13 15:33:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:17,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:33:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:17,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:33:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:17,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 15:33:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:17,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 15:33:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:17,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 15:33:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:17,515 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 15:33:17,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:33:17,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368781594] [2024-11-13 15:33:17,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368781594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:33:17,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:33:17,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:33:17,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496925530] [2024-11-13 15:33:17,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:33:17,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:33:17,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:33:17,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:33:17,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:33:17,557 INFO L87 Difference]: Start difference. First operand has 150 states, 98 states have (on average 1.2346938775510203) internal successors, (121), 99 states have internal predecessors, (121), 37 states have call successors, (37), 13 states have call predecessors, (37), 13 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 15:33:21,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:33:24,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:33:24,009 INFO L93 Difference]: Finished difference Result 291 states and 406 transitions. [2024-11-13 15:33:24,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:33:24,012 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 101 [2024-11-13 15:33:24,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:33:24,025 INFO L225 Difference]: With dead ends: 291 [2024-11-13 15:33:24,025 INFO L226 Difference]: Without dead ends: 145 [2024-11-13 15:33:24,030 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 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 15:33:24,033 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 77 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 23 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:33:24,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 149 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 119 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2024-11-13 15:33:24,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-13 15:33:24,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2024-11-13 15:33:24,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 94 states have (on average 1.2127659574468086) internal successors, (114), 95 states have internal predecessors, (114), 37 states have call successors, (37), 13 states have call predecessors, (37), 13 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-13 15:33:24,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 187 transitions. [2024-11-13 15:33:24,096 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 187 transitions. Word has length 101 [2024-11-13 15:33:24,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:33:24,096 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 187 transitions. [2024-11-13 15:33:24,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 15:33:24,098 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 187 transitions. [2024-11-13 15:33:24,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-13 15:33:24,103 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:33:24,104 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:33:24,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:33:24,105 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:33:24,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:33:24,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1120762807, now seen corresponding path program 1 times [2024-11-13 15:33:24,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:33:24,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966862079] [2024-11-13 15:33:24,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:33:24,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:34:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:57,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:34:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:57,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:34:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:57,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-13 15:34:57,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:57,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 15:34:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:57,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:34:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:57,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 15:34:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:58,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 15:34:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:58,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 15:34:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:58,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 15:34:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:58,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-13 15:34:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:58,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:34:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:58,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:34:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:58,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 15:34:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:58,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 15:34:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:58,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 15:34:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:58,138 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 15:34:58,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:34:58,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966862079] [2024-11-13 15:34:58,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966862079] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:34:58,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423915692] [2024-11-13 15:34:58,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:34:58,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:34:58,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646634e2-4531-42c9-8d50-60e3ad5dad5b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:34:58,142 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646634e2-4531-42c9-8d50-60e3ad5dad5b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:34:58,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646634e2-4531-42c9-8d50-60e3ad5dad5b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 15:36:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:29,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 7763 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 15:36:29,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:36:30,533 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 15:36:30,533 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:36:30,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [423915692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:36:30,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:36:30,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2024-11-13 15:36:30,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262016101] [2024-11-13 15:36:30,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:36:30,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:36:30,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:36:30,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:36:30,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:36:30,537 INFO L87 Difference]: Start difference. First operand 145 states and 187 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-13 15:36:31,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:36:31,841 INFO L93 Difference]: Finished difference Result 263 states and 348 transitions. [2024-11-13 15:36:31,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:36:31,841 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 101 [2024-11-13 15:36:31,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:36:31,845 INFO L225 Difference]: With dead ends: 263 [2024-11-13 15:36:31,845 INFO L226 Difference]: Without dead ends: 148 [2024-11-13 15:36:31,846 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:36:31,847 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 193 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:36:31,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 415 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 15:36:31,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-13 15:36:31,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2024-11-13 15:36:31,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 96 states have (on average 1.2083333333333333) internal successors, (116), 98 states have internal predecessors, (116), 37 states have call successors, (37), 13 states have call predecessors, (37), 14 states have return successors, (40), 36 states have call predecessors, (40), 36 states have call successors, (40) [2024-11-13 15:36:31,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 193 transitions. [2024-11-13 15:36:31,866 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 193 transitions. Word has length 101 [2024-11-13 15:36:31,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:36:31,866 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 193 transitions. [2024-11-13 15:36:31,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-13 15:36:31,866 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 193 transitions. [2024-11-13 15:36:31,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-13 15:36:31,869 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:36:31,869 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:36:31,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646634e2-4531-42c9-8d50-60e3ad5dad5b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 15:36:32,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646634e2-4531-42c9-8d50-60e3ad5dad5b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-13 15:36:32,070 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:36:32,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:36:32,071 INFO L85 PathProgramCache]: Analyzing trace with hash 480029388, now seen corresponding path program 1 times [2024-11-13 15:36:32,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:36:32,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811151525] [2024-11-13 15:36:32,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:36:32,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:38:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:23,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:38:23,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:23,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:38:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:23,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-13 15:38:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:23,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 15:38:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:23,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:38:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:23,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 15:38:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:23,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 15:38:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:23,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 15:38:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:23,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-13 15:38:23,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:23,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:38:23,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:23,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:38:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:23,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 15:38:23,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:23,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 15:38:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:23,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:38:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:23,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 15:38:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:23,994 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-13 15:38:23,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:38:23,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811151525] [2024-11-13 15:38:23,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811151525] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:38:23,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879737280] [2024-11-13 15:38:23,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:38:23,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:38:23,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646634e2-4531-42c9-8d50-60e3ad5dad5b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:38:24,002 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646634e2-4531-42c9-8d50-60e3ad5dad5b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:38:24,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646634e2-4531-42c9-8d50-60e3ad5dad5b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 15:40:16,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:16,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 7780 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 15:40:16,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:40:17,759 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 15:40:17,760 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:40:17,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879737280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:40:17,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:40:17,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2024-11-13 15:40:17,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181946002] [2024-11-13 15:40:17,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:40:17,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:40:17,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:40:17,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:40:17,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:40:17,763 INFO L87 Difference]: Start difference. First operand 148 states and 193 transitions. Second operand has 7 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-13 15:40:19,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:40:19,818 INFO L93 Difference]: Finished difference Result 258 states and 339 transitions. [2024-11-13 15:40:19,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:40:19,819 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 107 [2024-11-13 15:40:19,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:40:19,822 INFO L225 Difference]: With dead ends: 258 [2024-11-13 15:40:19,822 INFO L226 Difference]: Without dead ends: 148 [2024-11-13 15:40:19,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2024-11-13 15:40:19,825 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 194 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:40:19,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 561 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-13 15:40:19,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-13 15:40:19,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2024-11-13 15:40:19,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 96 states have (on average 1.2083333333333333) internal successors, (116), 98 states have internal predecessors, (116), 37 states have call successors, (37), 13 states have call predecessors, (37), 14 states have return successors, (39), 36 states have call predecessors, (39), 36 states have call successors, (39) [2024-11-13 15:40:19,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 192 transitions. [2024-11-13 15:40:19,855 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 192 transitions. Word has length 107 [2024-11-13 15:40:19,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:40:19,857 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 192 transitions. [2024-11-13 15:40:19,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-13 15:40:19,857 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 192 transitions. [2024-11-13 15:40:19,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-13 15:40:19,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:40:19,864 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 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 15:40:19,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646634e2-4531-42c9-8d50-60e3ad5dad5b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 15:40:20,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646634e2-4531-42c9-8d50-60e3ad5dad5b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:40:20,065 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:40:20,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:40:20,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1760661215, now seen corresponding path program 2 times [2024-11-13 15:40:20,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:40:20,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595505126] [2024-11-13 15:40:20,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:40:20,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:42:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:13,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:42:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:13,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:42:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:13,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-13 15:42:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:13,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 15:42:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:13,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:42:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:13,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 15:42:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:13,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 15:42:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:13,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 15:42:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:13,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:42:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:14,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-13 15:42:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:14,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:42:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:14,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 15:42:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:14,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:42:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:14,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 15:42:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:14,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 15:42:14,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:14,475 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:42:14,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:42:14,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595505126] [2024-11-13 15:42:14,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595505126] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:42:14,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923115212] [2024-11-13 15:42:14,476 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 15:42:14,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:42:14,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646634e2-4531-42c9-8d50-60e3ad5dad5b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:42:14,480 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646634e2-4531-42c9-8d50-60e3ad5dad5b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:42:14,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646634e2-4531-42c9-8d50-60e3ad5dad5b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process