./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB --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 2ce109988390b6767f379f20c8317980e8ad55260534e411b505fed6860deb81 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:32:33,695 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:32:33,754 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 03:32:33,760 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:32:33,760 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:32:33,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:32:33,785 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:32:33,785 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:32:33,785 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:32:33,785 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:32:33,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:32:33,785 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:32:33,786 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:32:33,786 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:32:33,786 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:32:33,786 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:32:33,786 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:32:33,786 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:32:33,786 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:32:33,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:32:33,787 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:32:33,787 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:32:33,787 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:32:33,787 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:32:33,787 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:32:33,787 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:32:33,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:32:33,787 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:32:33,787 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:32:33,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:32:33,788 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:32:33,788 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:32:33,788 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:32:33,788 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:32:33,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:32:33,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:32:33,788 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:32:33,789 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:32:33,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:32:33,789 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:32:33,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:32:33,789 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:32:33,789 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:32:33,789 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:32:33,789 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:32:33,789 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_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> 2ce109988390b6767f379f20c8317980e8ad55260534e411b505fed6860deb81 [2024-11-28 03:32:34,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:32:34,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:32:34,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:32:34,054 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:32:34,054 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:32:34,055 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i [2024-11-28 03:32:36,966 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB/data/61865a981/b3245b8d3ecc43e28467a23b710a2ce8/FLAG54455f4f6 [2024-11-28 03:32:37,531 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:32:37,532 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i [2024-11-28 03:32:37,580 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB/data/61865a981/b3245b8d3ecc43e28467a23b710a2ce8/FLAG54455f4f6 [2024-11-28 03:32:37,593 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB/data/61865a981/b3245b8d3ecc43e28467a23b710a2ce8 [2024-11-28 03:32:37,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:32:37,597 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:32:37,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:32:37,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:32:37,603 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:32:37,604 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:32:37" (1/1) ... [2024-11-28 03:32:37,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e318932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:37, skipping insertion in model container [2024-11-28 03:32:37,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:32:37" (1/1) ... [2024-11-28 03:32:37,721 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:32:38,001 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_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i[4494,4507] [2024-11-28 03:32:38,009 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_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i[4554,4567] [2024-11-28 03:32:39,002 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:32:39,003 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:32:39,004 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:32:39,004 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:32:39,005 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:32:39,024 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:32:39,024 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:32:39,026 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:32:39,027 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:32:39,029 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:32:39,030 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:32:39,031 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:32:39,031 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:32:39,670 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:32:39,677 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:32:39,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:32:39,791 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:32:39,803 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_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i[4494,4507] [2024-11-28 03:32:39,804 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_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i[4554,4567] [2024-11-28 03:32:39,870 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:32:39,871 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:32:39,871 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:32:39,872 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:32:39,872 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:32:39,880 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:32:39,881 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:32:39,882 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:32:39,883 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:32:39,884 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:32:39,885 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:32:39,885 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:32:39,886 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:32:39,973 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:32:39,979 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:32:39,986 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7735-7746] [2024-11-28 03:32:40,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:32:40,278 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:32:40,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:40 WrapperNode [2024-11-28 03:32:40,279 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:32:40,280 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:32:40,280 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:32:40,281 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:32:40,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:40" (1/1) ... [2024-11-28 03:32:40,388 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:40" (1/1) ... [2024-11-28 03:32:40,455 INFO L138 Inliner]: procedures = 680, calls = 1682, calls flagged for inlining = 53, calls inlined = 8, statements flattened = 662 [2024-11-28 03:32:40,456 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:32:40,456 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:32:40,457 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:32:40,457 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:32:40,467 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:40" (1/1) ... [2024-11-28 03:32:40,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:40" (1/1) ... [2024-11-28 03:32:40,475 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:40" (1/1) ... [2024-11-28 03:32:40,545 INFO L175 MemorySlicer]: Split 314 memory accesses to 6 slices as follows [2, 238, 56, 3, 6, 9]. 76 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [2, 6, 10, 1, 0, 5]. The 239 writes are split as follows [0, 232, 3, 1, 2, 1]. [2024-11-28 03:32:40,545 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:40" (1/1) ... [2024-11-28 03:32:40,546 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:40" (1/1) ... [2024-11-28 03:32:40,580 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:40" (1/1) ... [2024-11-28 03:32:40,582 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:40" (1/1) ... [2024-11-28 03:32:40,586 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:40" (1/1) ... [2024-11-28 03:32:40,600 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:40" (1/1) ... [2024-11-28 03:32:40,604 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:40" (1/1) ... [2024-11-28 03:32:40,618 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:32:40,619 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:32:40,619 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:32:40,619 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:32:40,620 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:40" (1/1) ... [2024-11-28 03:32:40,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:32:40,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:32:40,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:32:40,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:32:40,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:32:40,687 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-28 03:32:40,687 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-28 03:32:40,687 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-28 03:32:40,687 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-28 03:32:40,687 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-28 03:32:40,687 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-28 03:32:40,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 03:32:40,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 03:32:40,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 03:32:40,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 03:32:40,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 03:32:40,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 03:32:40,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:32:40,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:32:40,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 03:32:40,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 03:32:40,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 03:32:40,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 03:32:40,688 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-28 03:32:40,688 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-28 03:32:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 03:32:40,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 03:32:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 03:32:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:32:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 03:32:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 03:32:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 03:32:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 03:32:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 03:32:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 03:32:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-28 03:32:40,689 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-28 03:32:40,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:32:40,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:32:40,690 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-28 03:32:40,690 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-28 03:32:40,690 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-28 03:32:40,690 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-28 03:32:40,690 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-28 03:32:40,690 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-28 03:32:40,690 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-28 03:32:40,690 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-28 03:32:40,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 03:32:40,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 03:32:40,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 03:32:40,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 03:32:40,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 03:32:40,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 03:32:40,691 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-28 03:32:40,691 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-28 03:32:40,691 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-28 03:32:40,691 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-28 03:32:40,691 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:32:40,691 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:32:40,691 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-28 03:32:40,691 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-28 03:32:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:32:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 03:32:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 03:32:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 03:32:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 03:32:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 03:32:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 03:32:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 03:32:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 03:32:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 03:32:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 03:32:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 03:32:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 03:32:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-28 03:32:40,693 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-28 03:32:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-28 03:32:40,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-28 03:32:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 03:32:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 03:32:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 03:32:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 03:32:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 03:32:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 03:32:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-28 03:32:40,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-28 03:32:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:32:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:32:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:32:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 03:32:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 03:32:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 03:32:41,062 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:32:41,065 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:32:47,757 INFO L? ?]: Removed 132 outVars from TransFormulas that were not future-live. [2024-11-28 03:32:47,757 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:32:47,770 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:32:47,770 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 03:32:47,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:32:47 BoogieIcfgContainer [2024-11-28 03:32:47,770 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:32:47,772 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:32:47,772 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:32:47,777 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:32:47,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:32:37" (1/3) ... [2024-11-28 03:32:47,778 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ec4ea75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:32:47, skipping insertion in model container [2024-11-28 03:32:47,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:40" (2/3) ... [2024-11-28 03:32:47,779 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ec4ea75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:32:47, skipping insertion in model container [2024-11-28 03:32:47,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:32:47" (3/3) ... [2024-11-28 03:32:47,780 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_array_list_front_harness_negated.i [2024-11-28 03:32:47,795 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:32:47,797 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_array_list_front_harness_negated.i that has 18 procedures, 188 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:32:47,854 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:32:47,866 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;@6117fe9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:32:47,866 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:32:47,870 INFO L276 IsEmpty]: Start isEmpty. Operand has 188 states, 113 states have (on average 1.2035398230088497) internal successors, (136), 114 states have internal predecessors, (136), 56 states have call successors, (56), 17 states have call predecessors, (56), 17 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-28 03:32:47,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-28 03:32:47,883 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:32:47,883 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:32:47,884 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:32:47,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:47,891 INFO L85 PathProgramCache]: Analyzing trace with hash -910861617, now seen corresponding path program 1 times [2024-11-28 03:32:47,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:32:47,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940917720] [2024-11-28 03:32:47,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:32:47,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:32:54,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:32:55,253 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-11-28 03:32:55,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:32:55,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940917720] [2024-11-28 03:32:55,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940917720] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:32:55,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [11009908] [2024-11-28 03:32:55,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:32:55,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:32:55,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:32:55,260 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:32:55,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:33:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:02,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 4247 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:33:02,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:33:02,712 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-11-28 03:33:02,712 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:33:02,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [11009908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:02,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:33:02,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 03:33:02,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787633492] [2024-11-28 03:33:02,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:02,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:33:02,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:02,739 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:33:02,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:33:02,743 INFO L87 Difference]: Start difference. First operand has 188 states, 113 states have (on average 1.2035398230088497) internal successors, (136), 114 states have internal predecessors, (136), 56 states have call successors, (56), 17 states have call predecessors, (56), 17 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 03:33:02,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:33:02,796 INFO L93 Difference]: Finished difference Result 369 states and 525 transitions. [2024-11-28 03:33:02,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:33:02,798 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 129 [2024-11-28 03:33:02,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:33:02,806 INFO L225 Difference]: With dead ends: 369 [2024-11-28 03:33:02,807 INFO L226 Difference]: Without dead ends: 179 [2024-11-28 03:33:02,811 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:33:02,814 INFO L435 NwaCegarLoop]: 245 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:33:02,815 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:33:02,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-28 03:33:02,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-28 03:33:02,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 106 states have (on average 1.1603773584905661) internal successors, (123), 107 states have internal predecessors, (123), 56 states have call successors, (56), 17 states have call predecessors, (56), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-28 03:33:02,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 233 transitions. [2024-11-28 03:33:02,893 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 233 transitions. Word has length 129 [2024-11-28 03:33:02,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:33:02,894 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 233 transitions. [2024-11-28 03:33:02,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 03:33:02,894 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 233 transitions. [2024-11-28 03:33:02,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-28 03:33:02,899 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:33:02,900 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:33:02,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:33:03,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 03:33:03,107 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:33:03,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:03,108 INFO L85 PathProgramCache]: Analyzing trace with hash -851831597, now seen corresponding path program 1 times [2024-11-28 03:33:03,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:33:03,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277413064] [2024-11-28 03:33:03,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:03,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:10,691 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 03:33:10,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:10,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277413064] [2024-11-28 03:33:10,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277413064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:10,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:33:10,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 03:33:10,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307035813] [2024-11-28 03:33:10,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:10,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:33:10,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:10,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:33:10,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:33:10,698 INFO L87 Difference]: Start difference. First operand 179 states and 233 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 6 states have internal predecessors, (46), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-28 03:33:11,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:33:11,148 INFO L93 Difference]: Finished difference Result 310 states and 407 transitions. [2024-11-28 03:33:11,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:33:11,151 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 6 states have internal predecessors, (46), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) Word has length 129 [2024-11-28 03:33:11,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:33:11,157 INFO L225 Difference]: With dead ends: 310 [2024-11-28 03:33:11,157 INFO L226 Difference]: Without dead ends: 197 [2024-11-28 03:33:11,158 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:33:11,159 INFO L435 NwaCegarLoop]: 228 mSDtfsCounter, 6 mSDsluCounter, 1134 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1362 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:33:11,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1362 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:33:11,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-28 03:33:11,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 193. [2024-11-28 03:33:11,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 115 states have (on average 1.1565217391304348) internal successors, (133), 116 states have internal predecessors, (133), 60 states have call successors, (60), 17 states have call predecessors, (60), 17 states have return successors, (59), 59 states have call predecessors, (59), 58 states have call successors, (59) [2024-11-28 03:33:11,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 252 transitions. [2024-11-28 03:33:11,183 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 252 transitions. Word has length 129 [2024-11-28 03:33:11,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:33:11,183 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 252 transitions. [2024-11-28 03:33:11,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 6 states have internal predecessors, (46), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-28 03:33:11,184 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 252 transitions. [2024-11-28 03:33:11,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-28 03:33:11,186 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:33:11,186 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:33:11,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:33:11,187 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:33:11,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:11,187 INFO L85 PathProgramCache]: Analyzing trace with hash 24187409, now seen corresponding path program 1 times [2024-11-28 03:33:11,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:33:11,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041908354] [2024-11-28 03:33:11,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:11,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:19,839 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 03:33:19,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:19,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041908354] [2024-11-28 03:33:19,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041908354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:19,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:33:19,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:33:19,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807062754] [2024-11-28 03:33:19,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:19,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:33:19,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:19,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:33:19,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:33:19,843 INFO L87 Difference]: Start difference. First operand 193 states and 252 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-28 03:33:20,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:33:20,384 INFO L93 Difference]: Finished difference Result 325 states and 430 transitions. [2024-11-28 03:33:20,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:33:20,384 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) Word has length 129 [2024-11-28 03:33:20,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:33:20,388 INFO L225 Difference]: With dead ends: 325 [2024-11-28 03:33:20,388 INFO L226 Difference]: Without dead ends: 218 [2024-11-28 03:33:20,389 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:33:20,390 INFO L435 NwaCegarLoop]: 242 mSDtfsCounter, 14 mSDsluCounter, 1431 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 1673 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:33:20,390 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 1673 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:33:20,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-28 03:33:20,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 199. [2024-11-28 03:33:20,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 118 states have (on average 1.152542372881356) internal successors, (136), 119 states have internal predecessors, (136), 63 states have call successors, (63), 17 states have call predecessors, (63), 17 states have return successors, (62), 62 states have call predecessors, (62), 61 states have call successors, (62) [2024-11-28 03:33:20,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 261 transitions. [2024-11-28 03:33:20,411 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 261 transitions. Word has length 129 [2024-11-28 03:33:20,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:33:20,412 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 261 transitions. [2024-11-28 03:33:20,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-28 03:33:20,412 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 261 transitions. [2024-11-28 03:33:20,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-28 03:33:20,415 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:33:20,415 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:33:20,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:33:20,415 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:33:20,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:20,416 INFO L85 PathProgramCache]: Analyzing trace with hash -370179377, now seen corresponding path program 1 times [2024-11-28 03:33:20,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:33:20,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777420185] [2024-11-28 03:33:20,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:20,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:28,355 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2024-11-28 03:33:28,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:28,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777420185] [2024-11-28 03:33:28,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777420185] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:33:28,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356206744] [2024-11-28 03:33:28,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:28,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:33:28,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:33:28,359 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:33:28,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:33:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:35,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 4241 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-28 03:33:35,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:33:35,553 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-11-28 03:33:35,553 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:33:35,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356206744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:35,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:33:35,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 8 [2024-11-28 03:33:35,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005102638] [2024-11-28 03:33:35,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:35,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:33:35,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:35,555 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:33:35,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:33:35,555 INFO L87 Difference]: Start difference. First operand 199 states and 261 transitions. Second operand has 7 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-28 03:33:36,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:33:36,661 INFO L93 Difference]: Finished difference Result 303 states and 402 transitions. [2024-11-28 03:33:36,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:33:36,662 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) Word has length 129 [2024-11-28 03:33:36,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:33:36,666 INFO L225 Difference]: With dead ends: 303 [2024-11-28 03:33:36,666 INFO L226 Difference]: Without dead ends: 204 [2024-11-28 03:33:36,667 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:33:36,668 INFO L435 NwaCegarLoop]: 217 mSDtfsCounter, 1 mSDsluCounter, 1045 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1262 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:33:36,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1262 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 03:33:36,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-28 03:33:36,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 201. [2024-11-28 03:33:36,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 119 states have (on average 1.1512605042016806) internal successors, (137), 121 states have internal predecessors, (137), 63 states have call successors, (63), 17 states have call predecessors, (63), 18 states have return successors, (71), 62 states have call predecessors, (71), 61 states have call successors, (71) [2024-11-28 03:33:36,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 271 transitions. [2024-11-28 03:33:36,697 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 271 transitions. Word has length 129 [2024-11-28 03:33:36,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:33:36,698 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 271 transitions. [2024-11-28 03:33:36,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-28 03:33:36,698 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 271 transitions. [2024-11-28 03:33:36,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-28 03:33:36,700 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:33:36,701 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:33:36,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 03:33:36,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:33:36,902 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:33:36,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:36,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1406438261, now seen corresponding path program 1 times [2024-11-28 03:33:36,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:33:36,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116520724] [2024-11-28 03:33:36,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:36,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:43,327 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-28 03:33:43,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:43,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116520724] [2024-11-28 03:33:43,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116520724] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:33:43,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461842906] [2024-11-28 03:33:43,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:43,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:33:43,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:33:43,331 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:33:43,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:33:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:49,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 4374 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 03:33:49,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:33:51,416 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-11-28 03:33:51,417 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:33:51,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461842906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:51,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:33:51,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2024-11-28 03:33:51,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356234258] [2024-11-28 03:33:51,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:51,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:33:51,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:51,419 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:33:51,419 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-28 03:33:51,420 INFO L87 Difference]: Start difference. First operand 201 states and 271 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 6 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) [2024-11-28 03:33:53,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:33:53,592 INFO L93 Difference]: Finished difference Result 305 states and 408 transitions. [2024-11-28 03:33:53,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:33:53,593 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 6 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) Word has length 144 [2024-11-28 03:33:53,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:33:53,595 INFO L225 Difference]: With dead ends: 305 [2024-11-28 03:33:53,596 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 03:33:53,597 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=74, Invalid=388, Unknown=0, NotChecked=0, Total=462 [2024-11-28 03:33:53,600 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 149 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:33:53,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 707 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 03:33:53,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 03:33:53,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 03:33:53,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:33:53,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 03:33:53,602 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 144 [2024-11-28 03:33:53,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:33:53,602 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:33:53,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 6 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) [2024-11-28 03:33:53,603 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 03:33:53,603 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 03:33:53,606 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:33:53,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 03:33:53,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:33:53,808 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-28 03:33:53,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 03:33:58,348 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:33:58,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:33:58 BoogieIcfgContainer [2024-11-28 03:33:58,359 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:33:58,360 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:33:58,360 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:33:58,360 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:33:58,361 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:32:47" (3/4) ... [2024-11-28 03:33:58,363 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:33:58,370 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2024-11-28 03:33:58,370 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2024-11-28 03:33:58,370 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_array_list_has_allocated_data_member [2024-11-28 03:33:58,370 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_bounded [2024-11-28 03:33:58,370 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_valid [2024-11-28 03:33:58,370 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2024-11-28 03:33:58,370 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-28 03:33:58,370 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2024-11-28 03:33:58,370 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_memcpy [2024-11-28 03:33:58,370 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2024-11-28 03:33:58,370 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2024-11-28 03:33:58,370 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_byte_from_buffer_matches [2024-11-28 03:33:58,370 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_size_t [2024-11-28 03:33:58,370 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2024-11-28 03:33:58,371 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure memcpy_impl [2024-11-28 03:33:58,371 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_length [2024-11-28 03:33:58,371 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-28 03:33:58,391 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 139 nodes and edges [2024-11-28 03:33:58,396 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2024-11-28 03:33:58,398 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-11-28 03:33:58,399 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-28 03:33:58,400 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-28 03:33:58,401 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 03:33:58,402 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-28 03:33:58,403 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:33:59,014 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:33:59,015 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:33:59,015 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:33:59,020 INFO L158 Benchmark]: Toolchain (without parser) took 81418.99ms. Allocated memory was 142.6MB in the beginning and 3.3GB in the end (delta: 3.2GB). Free memory was 111.3MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 315.4MB. Max. memory is 16.1GB. [2024-11-28 03:33:59,020 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:33:59,020 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2681.68ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 111.0MB in the beginning and 358.7MB in the end (delta: -247.7MB). Peak memory consumption was 81.7MB. Max. memory is 16.1GB. [2024-11-28 03:33:59,021 INFO L158 Benchmark]: Boogie Procedure Inliner took 175.72ms. Allocated memory is still 427.8MB. Free memory was 358.7MB in the beginning and 349.5MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:33:59,021 INFO L158 Benchmark]: Boogie Preprocessor took 161.83ms. Allocated memory is still 427.8MB. Free memory was 349.5MB in the beginning and 334.3MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:33:59,021 INFO L158 Benchmark]: RCFGBuilder took 7151.53ms. Allocated memory is still 427.8MB. Free memory was 334.3MB in the beginning and 279.6MB in the end (delta: 54.7MB). Peak memory consumption was 125.8MB. Max. memory is 16.1GB. [2024-11-28 03:33:59,021 INFO L158 Benchmark]: TraceAbstraction took 70586.95ms. Allocated memory was 427.8MB in the beginning and 3.3GB in the end (delta: 2.9GB). Free memory was 277.3MB in the beginning and 3.1GB in the end (delta: -2.9GB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2024-11-28 03:33:59,022 INFO L158 Benchmark]: Witness Printer took 655.27ms. Allocated memory is still 3.3GB. Free memory was 3.1GB in the beginning and 3.0GB in the end (delta: 130.0MB). Peak memory consumption was 125.8MB. Max. memory is 16.1GB. [2024-11-28 03:33:59,025 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2681.68ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 111.0MB in the beginning and 358.7MB in the end (delta: -247.7MB). Peak memory consumption was 81.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 175.72ms. Allocated memory is still 427.8MB. Free memory was 358.7MB in the beginning and 349.5MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 161.83ms. Allocated memory is still 427.8MB. Free memory was 349.5MB in the beginning and 334.3MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 7151.53ms. Allocated memory is still 427.8MB. Free memory was 334.3MB in the beginning and 279.6MB in the end (delta: 54.7MB). Peak memory consumption was 125.8MB. Max. memory is 16.1GB. * TraceAbstraction took 70586.95ms. Allocated memory was 427.8MB in the beginning and 3.3GB in the end (delta: 2.9GB). Free memory was 277.3MB in the beginning and 3.1GB in the end (delta: -2.9GB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Witness Printer took 655.27ms. Allocated memory is still 3.3GB. Free memory was 3.1GB in the beginning and 3.0GB in the end (delta: 130.0MB). Peak memory consumption was 125.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 7735]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7735-7746] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 18 procedures, 188 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 66.0s, OverallIterations: 5, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 185 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 170 mSDsluCounter, 5249 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4210 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 425 IncrementalHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 1039 mSDtfsCounter, 425 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 441 GetRequests, 401 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=201occurred in iteration=4, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 26 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 13.0s InterpolantComputationTime, 1062 NumberOfCodeBlocks, 1062 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1054 ConstructedInterpolants, 0 QuantifiedInterpolants, 1447 SizeOfPredicates, 5 NumberOfNonLiveVariables, 12862 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 1737/1760 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 7349]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-11-28 03:33:59,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9cfc8a-fadf-40a1-96b4-35eb4e6519e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE