./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc52e0-0ec4-4e58-939d-99cedb5ec093/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc52e0-0ec4-4e58-939d-99cedb5ec093/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc52e0-0ec4-4e58-939d-99cedb5ec093/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc52e0-0ec4-4e58-939d-99cedb5ec093/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc52e0-0ec4-4e58-939d-99cedb5ec093/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc52e0-0ec4-4e58-939d-99cedb5ec093/bin/uautomizer-verify-4GaUIPS5ZU --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 782de24019eece20387c3cd6e967e9eaef1d40fd6eb1a7b72eb8f6c4f97205cc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:58:25,964 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:58:26,070 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc52e0-0ec4-4e58-939d-99cedb5ec093/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 21:58:26,078 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:58:26,083 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:58:26,119 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:58:26,120 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:58:26,121 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:58:26,122 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:58:26,123 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:58:26,124 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:58:26,124 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:58:26,125 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:58:26,125 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:58:26,127 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:58:26,128 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:58:26,128 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:58:26,129 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:58:26,129 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:58:26,130 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:58:26,134 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:58:26,134 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:58:26,135 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:58:26,135 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:58:26,136 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:58:26,136 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:58:26,136 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:58:26,136 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:58:26,137 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:58:26,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:58:26,137 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:58:26,137 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:58:26,139 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:58:26,149 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:58:26,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:58:26,150 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:58:26,150 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:58:26,150 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:58:26,151 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:58:26,151 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc52e0-0ec4-4e58-939d-99cedb5ec093/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc52e0-0ec4-4e58-939d-99cedb5ec093/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 782de24019eece20387c3cd6e967e9eaef1d40fd6eb1a7b72eb8f6c4f97205cc [2024-10-31 21:58:26,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:58:26,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:58:26,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:58:26,513 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:58:26,514 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:58:26,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc52e0-0ec4-4e58-939d-99cedb5ec093/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness_negated.i Unable to find full path for "g++" [2024-10-31 21:58:28,901 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:58:29,504 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:58:29,504 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc52e0-0ec4-4e58-939d-99cedb5ec093/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness_negated.i [2024-10-31 21:58:29,557 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc52e0-0ec4-4e58-939d-99cedb5ec093/bin/uautomizer-verify-4GaUIPS5ZU/data/6d009a42a/171028038ca646d8a2111fc3f3289b98/FLAGeabe135c2 [2024-10-31 21:58:29,576 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc52e0-0ec4-4e58-939d-99cedb5ec093/bin/uautomizer-verify-4GaUIPS5ZU/data/6d009a42a/171028038ca646d8a2111fc3f3289b98 [2024-10-31 21:58:29,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:58:29,581 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:58:29,582 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:29,583 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:58:29,595 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:58:29,596 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:29" (1/1) ... [2024-10-31 21:58:29,597 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2175c984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:29, skipping insertion in model container [2024-10-31 21:58:29,598 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:29" (1/1) ... [2024-10-31 21:58:29,745 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:58:30,109 WARN L251 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_20fc52e0-0ec4-4e58-939d-99cedb5ec093/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness_negated.i[4497,4510] [2024-10-31 21:58:30,118 WARN L251 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_20fc52e0-0ec4-4e58-939d-99cedb5ec093/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness_negated.i[4557,4570] [2024-10-31 21:58:31,442 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:58:31,443 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:58:31,444 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:58:31,445 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:58:31,447 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:58:31,472 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:58:31,473 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:58:31,476 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:58:31,477 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:58:31,484 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:58:31,485 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:58:31,487 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:58:31,487 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:58:32,234 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:58:32,251 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:58:32,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:32,408 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:58:32,434 WARN L251 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_20fc52e0-0ec4-4e58-939d-99cedb5ec093/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness_negated.i[4497,4510] [2024-10-31 21:58:32,435 WARN L251 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_20fc52e0-0ec4-4e58-939d-99cedb5ec093/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness_negated.i[4557,4570] [2024-10-31 21:58:32,559 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:58:32,560 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:58:32,560 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:58:32,561 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:58:32,563 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:58:32,582 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:58:32,584 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:58:32,586 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:58:32,587 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:58:32,591 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:58:32,592 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:58:32,593 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:58:32,594 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:58:32,741 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:58:32,750 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:58:32,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7715-7726] [2024-10-31 21:58:32,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:33,056 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:58:33,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:33 WrapperNode [2024-10-31 21:58:33,057 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:33,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:33,058 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:58:33,058 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:58:33,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:33" (1/1) ... [2024-10-31 21:58:33,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:33" (1/1) ... [2024-10-31 21:58:33,229 INFO L138 Inliner]: procedures = 679, calls = 1682, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 617 [2024-10-31 21:58:33,230 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:33,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:58:33,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:58:33,231 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:58:33,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:33" (1/1) ... [2024-10-31 21:58:33,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:33" (1/1) ... [2024-10-31 21:58:33,255 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:33" (1/1) ... [2024-10-31 21:58:33,345 INFO L175 MemorySlicer]: Split 306 memory accesses to 6 slices as follows [2, 238, 3, 50, 7, 6]. 78 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [2, 6, 1, 10, 5, 0]. The 238 writes are split as follows [0, 232, 1, 3, 0, 2]. [2024-10-31 21:58:33,349 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:33" (1/1) ... [2024-10-31 21:58:33,349 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:33" (1/1) ... [2024-10-31 21:58:33,422 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:33" (1/1) ... [2024-10-31 21:58:33,424 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:33" (1/1) ... [2024-10-31 21:58:33,431 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:33" (1/1) ... [2024-10-31 21:58:33,436 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:33" (1/1) ... [2024-10-31 21:58:33,444 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:58:33,445 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:58:33,446 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:58:33,446 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:58:33,447 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:33" (1/1) ... [2024-10-31 21:58:33,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:58:33,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc52e0-0ec4-4e58-939d-99cedb5ec093/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:33,496 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc52e0-0ec4-4e58-939d-99cedb5ec093/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:33,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc52e0-0ec4-4e58-939d-99cedb5ec093/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:58:33,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 21:58:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-10-31 21:58:33,536 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-10-31 21:58:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-10-31 21:58:33,536 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-10-31 21:58:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-31 21:58:33,537 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-31 21:58:33,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 21:58:33,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 21:58:33,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 21:58:33,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 21:58:33,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 21:58:33,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 21:58:33,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 21:58:33,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 21:58:33,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 21:58:33,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 21:58:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 21:58:33,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 21:58:33,540 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-31 21:58:33,540 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-31 21:58:33,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 21:58:33,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 21:58:33,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 21:58:33,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:58:33,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 21:58:33,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 21:58:33,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 21:58:33,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 21:58:33,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 21:58:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 21:58:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:58:33,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:58:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 21:58:33,544 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 21:58:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-10-31 21:58:33,545 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-10-31 21:58:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-10-31 21:58:33,545 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-10-31 21:58:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 21:58:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 21:58:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 21:58:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 21:58:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 21:58:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 21:58:33,548 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 21:58:33,548 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 21:58:33,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 21:58:33,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 21:58:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 21:58:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 21:58:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 21:58:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 21:58:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 21:58:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 21:58:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 21:58:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 21:58:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 21:58:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 21:58:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-31 21:58:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-31 21:58:33,550 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-31 21:58:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-10-31 21:58:33,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-10-31 21:58:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 21:58:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 21:58:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 21:58:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 21:58:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 21:58:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 21:58:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-10-31 21:58:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-10-31 21:58:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 21:58:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 21:58:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 21:58:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 21:58:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 21:58:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 21:58:34,015 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:58:34,017 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:58:40,351 INFO L? ?]: Removed 107 outVars from TransFormulas that were not future-live. [2024-10-31 21:58:40,352 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:58:40,371 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:58:40,371 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 21:58:40,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:40 BoogieIcfgContainer [2024-10-31 21:58:40,372 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:58:40,375 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:58:40,375 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:58:40,380 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:58:40,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:58:29" (1/3) ... [2024-10-31 21:58:40,381 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ad5b68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:58:40, skipping insertion in model container [2024-10-31 21:58:40,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:33" (2/3) ... [2024-10-31 21:58:40,382 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ad5b68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:58:40, skipping insertion in model container [2024-10-31 21:58:40,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:40" (3/3) ... [2024-10-31 21:58:40,384 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_capacity_harness_negated.i [2024-10-31 21:58:40,408 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:58:40,409 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 21:58:40,498 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:58:40,507 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;@657f0b21, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:58:40,507 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 21:58:40,513 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 77 states have (on average 1.1948051948051948) internal successors, (92), 78 states have internal predecessors, (92), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-31 21:58:40,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-31 21:58:40,527 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:40,528 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:40,529 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:58:40,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:40,536 INFO L85 PathProgramCache]: Analyzing trace with hash 910857471, now seen corresponding path program 1 times [2024-10-31 21:58:40,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:40,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073115252] [2024-10-31 21:58:40,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:40,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:49,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 21:58:49,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:49,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 21:58:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:49,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 21:58:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:49,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 21:58:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:49,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 21:58:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:49,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-31 21:58:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:49,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 21:58:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:49,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-31 21:58:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:49,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-31 21:58:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:49,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 21:58:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:49,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-31 21:58:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:49,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-31 21:58:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:49,930 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-31 21:58:49,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:49,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073115252] [2024-10-31 21:58:49,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073115252] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:49,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:49,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:58:49,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833094223] [2024-10-31 21:58:49,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:49,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:58:49,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:49,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:58:49,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:58:49,965 INFO L87 Difference]: Start difference. First operand has 122 states, 77 states have (on average 1.1948051948051948) internal successors, (92), 78 states have internal predecessors, (92), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-31 21:58:54,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 21:58:58,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 21:59:02,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:02,192 INFO L93 Difference]: Finished difference Result 241 states and 327 transitions. [2024-10-31 21:59:02,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:59:02,195 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 74 [2024-10-31 21:59:02,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:02,208 INFO L225 Difference]: With dead ends: 241 [2024-10-31 21:59:02,208 INFO L226 Difference]: Without dead ends: 121 [2024-10-31 21:59:02,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:59:02,220 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 75 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 73 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:02,223 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 148 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 161 Invalid, 2 Unknown, 0 Unchecked, 11.5s Time] [2024-10-31 21:59:02,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-10-31 21:59:02,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 117. [2024-10-31 21:59:02,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 73 states have (on average 1.178082191780822) internal successors, (86), 74 states have internal predecessors, (86), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-31 21:59:02,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 147 transitions. [2024-10-31 21:59:02,292 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 147 transitions. Word has length 74 [2024-10-31 21:59:02,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:02,293 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 147 transitions. [2024-10-31 21:59:02,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-31 21:59:02,294 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 147 transitions. [2024-10-31 21:59:02,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-31 21:59:02,297 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:02,297 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:02,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 21:59:02,298 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:59:02,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:02,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1255854409, now seen corresponding path program 1 times [2024-10-31 21:59:02,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:02,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935855124] [2024-10-31 21:59:02,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:02,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms