./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.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_8f53b82d-c04f-4024-98c8-26e54450ec5d/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f53b82d-c04f-4024-98c8-26e54450ec5d/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_8f53b82d-c04f-4024-98c8-26e54450ec5d/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f53b82d-c04f-4024-98c8-26e54450ec5d/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f53b82d-c04f-4024-98c8-26e54450ec5d/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_8f53b82d-c04f-4024-98c8-26e54450ec5d/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 d7eaf0344f6f57c66c46804220c62b0485b08b4ef0e684c487eaec2203e797bb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:42:49,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:42:49,380 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f53b82d-c04f-4024-98c8-26e54450ec5d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 03:42:49,392 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:42:49,393 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:42:49,439 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:42:49,441 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:42:49,441 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:42:49,442 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:42:49,442 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:42:49,443 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:42:49,444 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:42:49,444 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:42:49,445 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:42:49,445 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:42:49,445 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:42:49,445 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:42:49,445 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:42:49,445 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:42:49,446 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:42:49,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:42:49,446 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:42:49,446 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:42:49,446 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:42:49,446 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:42:49,447 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:42:49,447 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:42:49,447 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:42:49,447 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:42:49,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:42:49,447 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:42:49,447 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:42:49,448 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:42:49,448 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:42:49,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:42:49,448 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:42:49,448 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:42:49,448 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:42:49,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:42:49,449 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:42:49,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:42:49,449 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:42:49,449 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:42:49,449 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:42:49,449 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:42:49,450 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_8f53b82d-c04f-4024-98c8-26e54450ec5d/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 -> d7eaf0344f6f57c66c46804220c62b0485b08b4ef0e684c487eaec2203e797bb [2024-11-28 03:42:49,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:42:49,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:42:49,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:42:49,839 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:42:49,840 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:42:49,841 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f53b82d-c04f-4024-98c8-26e54450ec5d/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i [2024-11-28 03:42:53,288 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f53b82d-c04f-4024-98c8-26e54450ec5d/bin/uautomizer-verify-aQ6SnzHsRB/data/3f4064bfd/2b04c0bb5d744ab3954d152b90c4eef0/FLAGcdd8fcf6a [2024-11-28 03:42:53,975 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:42:53,975 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f53b82d-c04f-4024-98c8-26e54450ec5d/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i [2024-11-28 03:42:54,022 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f53b82d-c04f-4024-98c8-26e54450ec5d/bin/uautomizer-verify-aQ6SnzHsRB/data/3f4064bfd/2b04c0bb5d744ab3954d152b90c4eef0/FLAGcdd8fcf6a [2024-11-28 03:42:54,368 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f53b82d-c04f-4024-98c8-26e54450ec5d/bin/uautomizer-verify-aQ6SnzHsRB/data/3f4064bfd/2b04c0bb5d744ab3954d152b90c4eef0 [2024-11-28 03:42:54,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:42:54,372 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:42:54,374 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:42:54,374 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:42:54,381 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:42:54,382 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:42:54" (1/1) ... [2024-11-28 03:42:54,383 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3434d3e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:54, skipping insertion in model container [2024-11-28 03:42:54,383 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:42:54" (1/1) ... [2024-11-28 03:42:54,499 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:42:54,850 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_8f53b82d-c04f-4024-98c8-26e54450ec5d/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i[4504,4517] [2024-11-28 03:42:54,857 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_8f53b82d-c04f-4024-98c8-26e54450ec5d/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i[4564,4577] [2024-11-28 03:42:55,999 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:42:56,000 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:42:56,001 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:42:56,002 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:42:56,004 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:42:56,027 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:42:56,028 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:42:56,034 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:42:56,035 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:42:56,814 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:42:56,815 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:42:56,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:42:56,961 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:42:56,984 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_8f53b82d-c04f-4024-98c8-26e54450ec5d/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i[4504,4517] [2024-11-28 03:42:56,984 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_8f53b82d-c04f-4024-98c8-26e54450ec5d/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i[4564,4577] [2024-11-28 03:42:57,126 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:42:57,126 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:42:57,127 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:42:57,127 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:42:57,128 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:42:57,136 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:42:57,136 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:42:57,137 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:42:57,138 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:42:57,260 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:42:57,260 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:42:57,267 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2024-11-28 03:42:57,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:42:57,544 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:42:57,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:57 WrapperNode [2024-11-28 03:42:57,545 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:42:57,547 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:42:57,547 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:42:57,547 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:42:57,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:57" (1/1) ... [2024-11-28 03:42:57,638 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:57" (1/1) ... [2024-11-28 03:42:57,732 INFO L138 Inliner]: procedures = 678, calls = 1525, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 683 [2024-11-28 03:42:57,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:42:57,733 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:42:57,733 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:42:57,733 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:42:57,745 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:57" (1/1) ... [2024-11-28 03:42:57,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:57" (1/1) ... [2024-11-28 03:42:57,754 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:57" (1/1) ... [2024-11-28 03:42:57,874 INFO L175 MemorySlicer]: Split 296 memory accesses to 5 slices as follows [2, 238, 49, 2, 5]. 80 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 6, 2, 0, 5]. The 252 writes are split as follows [0, 232, 20, 0, 0]. [2024-11-28 03:42:57,879 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:57" (1/1) ... [2024-11-28 03:42:57,879 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:57" (1/1) ... [2024-11-28 03:42:57,955 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:57" (1/1) ... [2024-11-28 03:42:57,958 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:57" (1/1) ... [2024-11-28 03:42:57,965 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:57" (1/1) ... [2024-11-28 03:42:57,982 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:57" (1/1) ... [2024-11-28 03:42:57,990 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:57" (1/1) ... [2024-11-28 03:42:58,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:42:58,014 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:42:58,014 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:42:58,014 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:42:58,015 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:57" (1/1) ... [2024-11-28 03:42:58,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:42:58,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f53b82d-c04f-4024-98c8-26e54450ec5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:58,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f53b82d-c04f-4024-98c8-26e54450ec5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:42:58,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f53b82d-c04f-4024-98c8-26e54450ec5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:42:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-28 03:42:58,099 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-28 03:42:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:42:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-28 03:42:58,099 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-28 03:42:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 03:42:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 03:42:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 03:42:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 03:42:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 03:42:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:42:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:42:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 03:42:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 03:42:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 03:42:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-28 03:42:58,100 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-28 03:42:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 03:42:58,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 03:42:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 03:42:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:42:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 03:42:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 03:42:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 03:42:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 03:42:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 03:42:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:42:58,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:42:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-28 03:42:58,101 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-28 03:42:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-28 03:42:58,101 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-28 03:42:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-28 03:42:58,101 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-28 03:42:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 03:42:58,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 03:42:58,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 03:42:58,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 03:42:58,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 03:42:58,105 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-28 03:42:58,105 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-28 03:42:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:42:58,106 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:42:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:42:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 03:42:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 03:42:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 03:42:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 03:42:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 03:42:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 03:42:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 03:42:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 03:42:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 03:42:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 03:42:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-28 03:42:58,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-28 03:42:58,107 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-28 03:42:58,107 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-28 03:42:58,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 03:42:58,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 03:42:58,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 03:42:58,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 03:42:58,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 03:42:58,107 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-28 03:42:58,107 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-28 03:42:58,107 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-28 03:42:58,107 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-28 03:42:58,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:42:58,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:42:58,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:42:58,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 03:42:58,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 03:42:58,574 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:42:58,577 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:43:05,519 INFO L? ?]: Removed 135 outVars from TransFormulas that were not future-live. [2024-11-28 03:43:05,520 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:43:05,543 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:43:05,543 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-28 03:43:05,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:43:05 BoogieIcfgContainer [2024-11-28 03:43:05,544 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:43:05,547 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:43:05,547 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:43:05,552 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:43:05,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:42:54" (1/3) ... [2024-11-28 03:43:05,554 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3246bb42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:43:05, skipping insertion in model container [2024-11-28 03:43:05,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:57" (2/3) ... [2024-11-28 03:43:05,554 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3246bb42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:43:05, skipping insertion in model container [2024-11-28 03:43:05,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:43:05" (3/3) ... [2024-11-28 03:43:05,556 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_static_harness.i [2024-11-28 03:43:05,575 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:43:05,579 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_init_static_harness.i that has 14 procedures, 169 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-11-28 03:43:05,654 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:43:05,669 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;@12f1774c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:43:05,670 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:43:05,675 INFO L276 IsEmpty]: Start isEmpty. Operand has 169 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 107 states have internal predecessors, (130), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-28 03:43:05,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-28 03:43:05,692 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:43:05,694 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:43:05,694 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:43:05,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:43:05,701 INFO L85 PathProgramCache]: Analyzing trace with hash 2098219821, now seen corresponding path program 1 times [2024-11-28 03:43:05,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:43:05,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595150732] [2024-11-28 03:43:05,712 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:43:05,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:43:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:43:15,009 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2024-11-28 03:43:15,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:43:15,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595150732] [2024-11-28 03:43:15,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595150732] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:43:15,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851918583] [2024-11-28 03:43:15,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:43:15,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:43:15,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f53b82d-c04f-4024-98c8-26e54450ec5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:43:15,017 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f53b82d-c04f-4024-98c8-26e54450ec5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:43:15,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f53b82d-c04f-4024-98c8-26e54450ec5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:43:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:43:24,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 4467 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:43:24,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:43:24,219 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2024-11-28 03:43:24,220 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:43:24,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851918583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:43:24,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:43:24,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 03:43:24,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633650879] [2024-11-28 03:43:24,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:43:24,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:43:24,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:43:24,255 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:43:24,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:43:24,259 INFO L87 Difference]: Start difference. First operand has 169 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 107 states have internal predecessors, (130), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-28 03:43:24,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:43:24,318 INFO L93 Difference]: Finished difference Result 314 states and 449 transitions. [2024-11-28 03:43:24,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:43:24,321 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 155 [2024-11-28 03:43:24,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:43:24,333 INFO L225 Difference]: With dead ends: 314 [2024-11-28 03:43:24,333 INFO L226 Difference]: Without dead ends: 163 [2024-11-28 03:43:24,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 156 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 03:43:24,352 INFO L435 NwaCegarLoop]: 220 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, 220 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 03:43:24,353 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:43:24,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-28 03:43:24,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2024-11-28 03:43:24,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 101 states have (on average 1.1683168316831682) internal successors, (118), 102 states have internal predecessors, (118), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-28 03:43:24,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 213 transitions. [2024-11-28 03:43:24,454 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 213 transitions. Word has length 155 [2024-11-28 03:43:24,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:43:24,456 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 213 transitions. [2024-11-28 03:43:24,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-28 03:43:24,456 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 213 transitions. [2024-11-28 03:43:24,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-28 03:43:24,460 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:43:24,461 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:43:24,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f53b82d-c04f-4024-98c8-26e54450ec5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:43:24,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f53b82d-c04f-4024-98c8-26e54450ec5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 03:43:24,666 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:43:24,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:43:24,667 INFO L85 PathProgramCache]: Analyzing trace with hash 812622241, now seen corresponding path program 1 times [2024-11-28 03:43:24,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:43:24,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689567151] [2024-11-28 03:43:24,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:43:24,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:43:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:43:33,632 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2024-11-28 03:43:33,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:43:33,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689567151] [2024-11-28 03:43:33,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689567151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:43:33,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:43:33,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 03:43:33,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413807714] [2024-11-28 03:43:33,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:43:33,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:43:33,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:43:33,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:43:33,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:43:33,636 INFO L87 Difference]: Start difference. First operand 163 states and 213 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-28 03:43:34,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:43:34,822 INFO L93 Difference]: Finished difference Result 259 states and 334 transitions. [2024-11-28 03:43:34,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:43:34,823 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) Word has length 172 [2024-11-28 03:43:34,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:43:34,828 INFO L225 Difference]: With dead ends: 259 [2024-11-28 03:43:34,828 INFO L226 Difference]: Without dead ends: 165 [2024-11-28 03:43:34,829 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:43:34,830 INFO L435 NwaCegarLoop]: 188 mSDtfsCounter, 38 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:43:34,830 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 1026 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 03:43:34,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-28 03:43:34,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2024-11-28 03:43:34,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 102 states have (on average 1.1666666666666667) internal successors, (119), 104 states have internal predecessors, (119), 48 states have call successors, (48), 13 states have call predecessors, (48), 14 states have return successors, (49), 47 states have call predecessors, (49), 47 states have call successors, (49) [2024-11-28 03:43:34,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 216 transitions. [2024-11-28 03:43:34,865 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 216 transitions. Word has length 172 [2024-11-28 03:43:34,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:43:34,866 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 216 transitions. [2024-11-28 03:43:34,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-28 03:43:34,867 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 216 transitions. [2024-11-28 03:43:34,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-28 03:43:34,869 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:43:34,870 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:43:34,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:43:34,870 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:43:34,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:43:34,871 INFO L85 PathProgramCache]: Analyzing trace with hash -2046463821, now seen corresponding path program 1 times [2024-11-28 03:43:34,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:43:34,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406754419] [2024-11-28 03:43:34,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:43:34,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:43:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:43:43,331 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2024-11-28 03:43:43,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:43:43,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406754419] [2024-11-28 03:43:43,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406754419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:43:43,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:43:43,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:43:43,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689507548] [2024-11-28 03:43:43,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:43:43,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:43:43,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:43:43,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:43:43,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:43:43,338 INFO L87 Difference]: Start difference. First operand 165 states and 216 transitions. Second operand has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-28 03:43:43,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:43:43,837 INFO L93 Difference]: Finished difference Result 280 states and 362 transitions. [2024-11-28 03:43:43,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:43:43,838 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 187 [2024-11-28 03:43:43,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:43:43,844 INFO L225 Difference]: With dead ends: 280 [2024-11-28 03:43:43,845 INFO L226 Difference]: Without dead ends: 165 [2024-11-28 03:43:43,850 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:43:43,851 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 7 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:43:43,851 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1022 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:43:43,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-28 03:43:43,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2024-11-28 03:43:43,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 102 states have (on average 1.1568627450980393) internal successors, (118), 104 states have internal predecessors, (118), 48 states have call successors, (48), 13 states have call predecessors, (48), 14 states have return successors, (49), 47 states have call predecessors, (49), 47 states have call successors, (49) [2024-11-28 03:43:43,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 215 transitions. [2024-11-28 03:43:43,886 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 215 transitions. Word has length 187 [2024-11-28 03:43:43,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:43:43,889 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 215 transitions. [2024-11-28 03:43:43,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-28 03:43:43,889 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 215 transitions. [2024-11-28 03:43:43,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-28 03:43:43,897 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:43:43,897 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:43:43,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:43:43,900 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:43:43,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:43:43,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1402313501, now seen corresponding path program 1 times [2024-11-28 03:43:43,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:43:43,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084128000] [2024-11-28 03:43:43,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:43:43,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:43:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:43:53,858 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2024-11-28 03:43:53,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:43:53,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084128000] [2024-11-28 03:43:53,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084128000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:43:53,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:43:53,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 03:43:53,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472701480] [2024-11-28 03:43:53,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:43:53,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:43:53,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:43:53,865 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:43:53,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:43:53,865 INFO L87 Difference]: Start difference. First operand 165 states and 215 transitions. Second operand has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-28 03:43:54,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:43:54,374 INFO L93 Difference]: Finished difference Result 283 states and 365 transitions. [2024-11-28 03:43:54,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:43:54,375 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 189 [2024-11-28 03:43:54,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:43:54,380 INFO L225 Difference]: With dead ends: 283 [2024-11-28 03:43:54,381 INFO L226 Difference]: Without dead ends: 167 [2024-11-28 03:43:54,382 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:43:54,383 INFO L435 NwaCegarLoop]: 206 mSDtfsCounter, 9 mSDsluCounter, 812 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:43:54,385 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1018 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:43:54,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-28 03:43:54,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 166. [2024-11-28 03:43:54,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 103 states have (on average 1.1553398058252426) internal successors, (119), 105 states have internal predecessors, (119), 48 states have call successors, (48), 13 states have call predecessors, (48), 14 states have return successors, (49), 47 states have call predecessors, (49), 47 states have call successors, (49) [2024-11-28 03:43:54,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 216 transitions. [2024-11-28 03:43:54,419 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 216 transitions. Word has length 189 [2024-11-28 03:43:54,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:43:54,420 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 216 transitions. [2024-11-28 03:43:54,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-28 03:43:54,420 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 216 transitions. [2024-11-28 03:43:54,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-28 03:43:54,425 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:43:54,425 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:43:54,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:43:54,425 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:43:54,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:43:54,426 INFO L85 PathProgramCache]: Analyzing trace with hash -743167239, now seen corresponding path program 1 times [2024-11-28 03:43:54,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:43:54,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591475437] [2024-11-28 03:43:54,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:43:54,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:44:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:44:05,518 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2024-11-28 03:44:05,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:44:05,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591475437] [2024-11-28 03:44:05,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591475437] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:44:05,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078063593] [2024-11-28 03:44:05,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:44:05,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:44:05,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f53b82d-c04f-4024-98c8-26e54450ec5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:44:05,522 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f53b82d-c04f-4024-98c8-26e54450ec5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:44:05,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f53b82d-c04f-4024-98c8-26e54450ec5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:44:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:44:12,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 4695 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-28 03:44:12,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:44:14,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 03:44:15,462 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset_5| Int)) (and (<= |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset_5| |c_aws_mul_size_checked_#in~r#1.offset|) (= (store |c_old(#memory_$Pointer$#2.base)| |c_aws_mul_size_checked_#in~r#1.base| (store (select |c_old(#memory_$Pointer$#2.base)| |c_aws_mul_size_checked_#in~r#1.base|) |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset_5| (select (select |c_#memory_$Pointer$#2.base| |c_aws_mul_size_checked_#in~r#1.base|) |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset_5|))) |c_#memory_$Pointer$#2.base|))) is different from true [2024-11-28 03:44:17,438 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2024-11-28 03:44:17,438 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:44:17,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1078063593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:44:17,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:44:17,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [8] total 23 [2024-11-28 03:44:17,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254904916] [2024-11-28 03:44:17,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:44:17,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-28 03:44:17,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:44:17,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-28 03:44:17,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=410, Unknown=1, NotChecked=40, Total=506 [2024-11-28 03:44:17,441 INFO L87 Difference]: Start difference. First operand 166 states and 216 transitions. Second operand has 17 states, 15 states have (on average 4.066666666666666) internal successors, (61), 15 states have internal predecessors, (61), 8 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (32), 8 states have call predecessors, (32), 7 states have call successors, (32) [2024-11-28 03:44:28,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:44:34,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:44:45,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:44:45,077 INFO L93 Difference]: Finished difference Result 328 states and 444 transitions. [2024-11-28 03:44:45,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-28 03:44:45,078 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 4.066666666666666) internal successors, (61), 15 states have internal predecessors, (61), 8 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (32), 8 states have call predecessors, (32), 7 states have call successors, (32) Word has length 191 [2024-11-28 03:44:45,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:44:45,081 INFO L225 Difference]: With dead ends: 328 [2024-11-28 03:44:45,081 INFO L226 Difference]: Without dead ends: 232 [2024-11-28 03:44:45,083 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=121, Invalid=938, Unknown=1, NotChecked=62, Total=1122 [2024-11-28 03:44:45,084 INFO L435 NwaCegarLoop]: 180 mSDtfsCounter, 110 mSDsluCounter, 1249 mSDsCounter, 0 mSdLazyCounter, 1932 mSolverCounterSat, 67 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 1429 SdHoareTripleChecker+Invalid, 2384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1932 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 383 IncrementalHoareTripleChecker+Unchecked, 25.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:44:45,085 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 1429 Invalid, 2384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1932 Invalid, 2 Unknown, 383 Unchecked, 25.6s Time] [2024-11-28 03:44:45,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-28 03:44:45,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 167. [2024-11-28 03:44:45,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 104 states have (on average 1.1538461538461537) internal successors, (120), 106 states have internal predecessors, (120), 48 states have call successors, (48), 13 states have call predecessors, (48), 14 states have return successors, (49), 47 states have call predecessors, (49), 47 states have call successors, (49) [2024-11-28 03:44:45,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 217 transitions. [2024-11-28 03:44:45,112 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 217 transitions. Word has length 191 [2024-11-28 03:44:45,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:44:45,113 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 217 transitions. [2024-11-28 03:44:45,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 4.066666666666666) internal successors, (61), 15 states have internal predecessors, (61), 8 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (32), 8 states have call predecessors, (32), 7 states have call successors, (32) [2024-11-28 03:44:45,114 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 217 transitions. [2024-11-28 03:44:45,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-28 03:44:45,116 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:44:45,117 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:44:45,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f53b82d-c04f-4024-98c8-26e54450ec5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 03:44:45,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f53b82d-c04f-4024-98c8-26e54450ec5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:44:45,318 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:44:45,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:44:45,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1302003309, now seen corresponding path program 1 times [2024-11-28 03:44:45,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:44:45,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650700947] [2024-11-28 03:44:45,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:44:45,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:44:53,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:44:56,817 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2024-11-28 03:44:56,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:44:56,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650700947] [2024-11-28 03:44:56,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650700947] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:44:56,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160350892] [2024-11-28 03:44:56,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:44:56,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:44:56,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f53b82d-c04f-4024-98c8-26e54450ec5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:44:56,821 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f53b82d-c04f-4024-98c8-26e54450ec5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:44:56,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f53b82d-c04f-4024-98c8-26e54450ec5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:45:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:45:04,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 4700 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 03:45:04,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:45:05,570 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 198 proven. 1 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-11-28 03:45:05,571 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:45:08,405 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2024-11-28 03:45:08,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160350892] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:45:08,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:45:08,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2024-11-28 03:45:08,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076132682] [2024-11-28 03:45:08,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:45:08,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-28 03:45:08,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:45:08,409 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-28 03:45:08,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-11-28 03:45:08,410 INFO L87 Difference]: Start difference. First operand 167 states and 217 transitions. Second operand has 17 states, 15 states have (on average 6.266666666666667) internal successors, (94), 17 states have internal predecessors, (94), 7 states have call successors, (44), 2 states have call predecessors, (44), 6 states have return successors, (45), 7 states have call predecessors, (45), 7 states have call successors, (45) [2024-11-28 03:45:09,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:45:09,343 INFO L93 Difference]: Finished difference Result 287 states and 369 transitions. [2024-11-28 03:45:09,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:45:09,344 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 6.266666666666667) internal successors, (94), 17 states have internal predecessors, (94), 7 states have call successors, (44), 2 states have call predecessors, (44), 6 states have return successors, (45), 7 states have call predecessors, (45), 7 states have call successors, (45) Word has length 193 [2024-11-28 03:45:09,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:45:09,346 INFO L225 Difference]: With dead ends: 287 [2024-11-28 03:45:09,346 INFO L226 Difference]: Without dead ends: 170 [2024-11-28 03:45:09,347 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 377 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2024-11-28 03:45:09,348 INFO L435 NwaCegarLoop]: 206 mSDtfsCounter, 12 mSDsluCounter, 1424 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 1630 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:45:09,348 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 1630 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 03:45:09,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-28 03:45:09,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 169. [2024-11-28 03:45:09,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 106 states have (on average 1.150943396226415) internal successors, (122), 108 states have internal predecessors, (122), 48 states have call successors, (48), 13 states have call predecessors, (48), 14 states have return successors, (49), 47 states have call predecessors, (49), 47 states have call successors, (49) [2024-11-28 03:45:09,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 219 transitions. [2024-11-28 03:45:09,364 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 219 transitions. Word has length 193 [2024-11-28 03:45:09,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:45:09,365 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 219 transitions. [2024-11-28 03:45:09,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 6.266666666666667) internal successors, (94), 17 states have internal predecessors, (94), 7 states have call successors, (44), 2 states have call predecessors, (44), 6 states have return successors, (45), 7 states have call predecessors, (45), 7 states have call successors, (45) [2024-11-28 03:45:09,365 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 219 transitions. [2024-11-28 03:45:09,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-28 03:45:09,367 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:45:09,367 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:45:09,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f53b82d-c04f-4024-98c8-26e54450ec5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 03:45:09,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f53b82d-c04f-4024-98c8-26e54450ec5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-28 03:45:09,568 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:45:09,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:45:09,569 INFO L85 PathProgramCache]: Analyzing trace with hash -557825169, now seen corresponding path program 2 times [2024-11-28 03:45:09,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:45:09,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850291693] [2024-11-28 03:45:09,569 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:45:09,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:45:19,827 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:45:19,828 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:45:22,608 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2024-11-28 03:45:22,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:45:22,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850291693] [2024-11-28 03:45:22,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850291693] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:45:22,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595171798] [2024-11-28 03:45:22,609 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:45:22,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:45:22,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f53b82d-c04f-4024-98c8-26e54450ec5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:45:22,611 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f53b82d-c04f-4024-98c8-26e54450ec5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:45:22,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f53b82d-c04f-4024-98c8-26e54450ec5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process