./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_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_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/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_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/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_5c1b8a5c-4e54-40bd-ade0-551f96d56628/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 dfa651ad1a3815b71299318434192d50e4a949decdd541c310285fbc30ab43ee --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:41:34,702 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:41:34,769 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 04:41:34,775 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:41:34,775 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:41:34,799 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:41:34,800 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:41:34,800 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:41:34,800 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:41:34,800 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:41:34,800 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:41:34,800 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:41:34,801 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:41:34,801 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:41:34,801 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:41:34,801 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:41:34,801 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:41:34,801 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:41:34,801 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:41:34,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:41:34,802 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:41:34,802 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:41:34,802 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:41:34,802 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:41:34,802 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:41:34,802 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:41:34,802 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:41:34,803 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:41:34,803 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:41:34,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:41:34,803 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:41:34,803 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:41:34,803 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:41:34,803 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:41:34,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:41:34,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:41:34,804 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:41:34,804 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:41:34,804 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:41:34,804 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:41:34,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:41:34,804 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:41:34,804 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:41:34,804 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:41:34,804 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:41:34,804 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_5c1b8a5c-4e54-40bd-ade0-551f96d56628/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 -> dfa651ad1a3815b71299318434192d50e4a949decdd541c310285fbc30ab43ee [2024-11-28 04:41:35,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:41:35,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:41:35,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:41:35,114 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:41:35,116 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:41:35,118 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i [2024-11-28 04:41:38,179 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/data/b1b3706f9/d086070b16994ccabdc2fd7a5c66f7df/FLAG53162340e [2024-11-28 04:41:38,819 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:41:38,822 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i [2024-11-28 04:41:38,883 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/data/b1b3706f9/d086070b16994ccabdc2fd7a5c66f7df/FLAG53162340e [2024-11-28 04:41:38,906 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/data/b1b3706f9/d086070b16994ccabdc2fd7a5c66f7df [2024-11-28 04:41:38,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:41:38,911 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:41:38,913 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:41:38,914 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:41:38,922 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:41:38,923 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:41:38" (1/1) ... [2024-11-28 04:41:38,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30dfe5b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:38, skipping insertion in model container [2024-11-28 04:41:38,924 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:41:38" (1/1) ... [2024-11-28 04:41:39,046 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:41:39,323 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_5c1b8a5c-4e54-40bd-ade0-551f96d56628/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4501,4514] [2024-11-28 04:41:39,334 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_5c1b8a5c-4e54-40bd-ade0-551f96d56628/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4561,4574] [2024-11-28 04:41:40,458 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:40,459 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:40,459 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:40,460 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:40,461 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:40,475 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:40,476 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:40,478 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:40,479 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:40,481 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:40,482 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:40,483 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:40,483 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,242 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,252 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,377 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,378 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,379 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,379 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,379 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,380 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,380 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,381 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,382 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,382 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,382 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,382 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,383 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,386 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,386 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,387 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,387 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,391 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,392 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,401 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,402 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,402 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,424 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:41:41,518 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:41:41,538 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_5c1b8a5c-4e54-40bd-ade0-551f96d56628/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4501,4514] [2024-11-28 04:41:41,540 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_5c1b8a5c-4e54-40bd-ade0-551f96d56628/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4561,4574] [2024-11-28 04:41:41,592 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,593 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,593 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,593 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,594 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,606 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,607 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,608 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,608 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,610 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,611 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,611 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,612 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,751 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,758 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7771-7782] [2024-11-28 04:41:41,797 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,798 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,798 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,799 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,799 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,800 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,800 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,801 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,801 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,802 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,802 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,802 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,802 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,803 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,804 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,804 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,804 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,808 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,808 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,816 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,817 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,817 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:41:41,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:41:42,153 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:41:42,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:42 WrapperNode [2024-11-28 04:41:42,154 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:41:42,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:41:42,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:41:42,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:41:42,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:42" (1/1) ... [2024-11-28 04:41:42,274 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:42" (1/1) ... [2024-11-28 04:41:42,395 INFO L138 Inliner]: procedures = 686, calls = 1892, calls flagged for inlining = 57, calls inlined = 17, statements flattened = 1176 [2024-11-28 04:41:42,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:41:42,396 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:41:42,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:41:42,397 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:41:42,409 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:42" (1/1) ... [2024-11-28 04:41:42,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:42" (1/1) ... [2024-11-28 04:41:42,421 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:42" (1/1) ... [2024-11-28 04:41:42,610 INFO L175 MemorySlicer]: Split 384 memory accesses to 6 slices as follows [2, 238, 9, 24, 104, 7]. 62 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 6, 1, 5, 0, 2]. The 268 writes are split as follows [0, 232, 1, 8, 26, 1]. [2024-11-28 04:41:42,613 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:42" (1/1) ... [2024-11-28 04:41:42,613 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:42" (1/1) ... [2024-11-28 04:41:42,693 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:42" (1/1) ... [2024-11-28 04:41:42,701 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:42" (1/1) ... [2024-11-28 04:41:42,713 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:42" (1/1) ... [2024-11-28 04:41:42,765 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:42" (1/1) ... [2024-11-28 04:41:42,773 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:42" (1/1) ... [2024-11-28 04:41:42,797 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:41:42,799 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:41:42,800 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:41:42,800 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:41:42,801 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:42" (1/1) ... [2024-11-28 04:41:42,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:41:42,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:41:42,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:41:42,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:41:42,876 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-11-28 04:41:42,878 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-11-28 04:41:42,878 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2024-11-28 04:41:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2024-11-28 04:41:42,879 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-28 04:41:42,880 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-28 04:41:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:41:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-28 04:41:42,880 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-28 04:41:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-28 04:41:42,880 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-28 04:41:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-28 04:41:42,880 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-28 04:41:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-28 04:41:42,881 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-28 04:41:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-11-28 04:41:42,882 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-11-28 04:41:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 04:41:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 04:41:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 04:41:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 04:41:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 04:41:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 04:41:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 04:41:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 04:41:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 04:41:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 04:41:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 04:41:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 04:41:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-28 04:41:42,885 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-28 04:41:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 04:41:42,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 04:41:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 04:41:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:41:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 04:41:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 04:41:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 04:41:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 04:41:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 04:41:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 04:41:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-11-28 04:41:42,886 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-11-28 04:41:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-28 04:41:42,886 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-28 04:41:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:41:42,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:41:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-28 04:41:42,886 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-28 04:41:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-28 04:41:42,887 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-28 04:41:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-28 04:41:42,887 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-28 04:41:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 04:41:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 04:41:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 04:41:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 04:41:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 04:41:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 04:41:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-28 04:41:42,887 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-28 04:41:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-28 04:41:42,887 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-28 04:41:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-28 04:41:42,888 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-28 04:41:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-28 04:41:42,888 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-28 04:41:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-28 04:41:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-28 04:41:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-28 04:41:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-28 04:41:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-28 04:41:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-28 04:41:42,888 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-28 04:41:42,888 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-28 04:41:42,888 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-28 04:41:42,888 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-28 04:41:42,888 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-28 04:41:42,888 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-28 04:41:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:41:42,888 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:41:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-28 04:41:42,888 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-28 04:41:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2024-11-28 04:41:42,889 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2024-11-28 04:41:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-28 04:41:42,889 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-28 04:41:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:41:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-28 04:41:42,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-28 04:41:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 04:41:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 04:41:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 04:41:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 04:41:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 04:41:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 04:41:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 04:41:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 04:41:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 04:41:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 04:41:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 04:41:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 04:41:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_push_ref [2024-11-28 04:41:42,890 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_push_ref [2024-11-28 04:41:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-11-28 04:41:42,890 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-11-28 04:41:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-28 04:41:42,890 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-28 04:41:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-28 04:41:42,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-28 04:41:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-28 04:41:42,890 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-28 04:41:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 04:41:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 04:41:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 04:41:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 04:41:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 04:41:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 04:41:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-28 04:41:42,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-28 04:41:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2024-11-28 04:41:42,891 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2024-11-28 04:41:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-28 04:41:42,891 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-28 04:41:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-28 04:41:42,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-28 04:41:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:41:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 04:41:42,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 04:41:42,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 04:41:42,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 04:41:42,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 04:41:43,356 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:41:43,359 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:41:50,290 INFO L? ?]: Removed 304 outVars from TransFormulas that were not future-live. [2024-11-28 04:41:50,290 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:41:50,330 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:41:50,334 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 04:41:50,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:50 BoogieIcfgContainer [2024-11-28 04:41:50,335 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:41:50,337 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:41:50,341 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:41:50,348 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:41:50,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:41:38" (1/3) ... [2024-11-28 04:41:50,350 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f30ae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:41:50, skipping insertion in model container [2024-11-28 04:41:50,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:42" (2/3) ... [2024-11-28 04:41:50,351 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f30ae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:41:50, skipping insertion in model container [2024-11-28 04:41:50,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:50" (3/3) ... [2024-11-28 04:41:50,353 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_ref_harness.i [2024-11-28 04:41:50,374 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:41:50,376 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_push_ref_harness.i that has 40 procedures, 568 locations, 1 initial locations, 10 loop locations, and 2 error locations. [2024-11-28 04:41:50,475 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:41:50,488 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;@5a7a107f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:41:50,489 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-28 04:41:50,496 INFO L276 IsEmpty]: Start isEmpty. Operand has 552 states, 316 states have (on average 1.240506329113924) internal successors, (392), 319 states have internal predecessors, (392), 199 states have call successors, (199), 35 states have call predecessors, (199), 35 states have return successors, (199), 199 states have call predecessors, (199), 199 states have call successors, (199) [2024-11-28 04:41:50,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-28 04:41:50,521 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:41:50,522 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-28 04:41:50,522 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:41:50,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:41:50,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1590182974, now seen corresponding path program 1 times [2024-11-28 04:41:50,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:41:50,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272196938] [2024-11-28 04:41:50,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:41:50,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:41:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:42:00,543 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2024-11-28 04:42:00,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:42:00,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272196938] [2024-11-28 04:42:00,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272196938] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:42:00,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93225312] [2024-11-28 04:42:00,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:42:00,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:42:00,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:42:00,548 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:42:00,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:42:09,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:42:09,843 INFO L256 TraceCheckSpWp]: Trace formula consists of 4662 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:42:09,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:42:09,896 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2024-11-28 04:42:09,897 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:42:09,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93225312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:42:09,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:42:09,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:42:09,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961538636] [2024-11-28 04:42:09,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:42:09,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:42:09,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:42:09,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:42:09,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:42:09,934 INFO L87 Difference]: Start difference. First operand has 552 states, 316 states have (on average 1.240506329113924) internal successors, (392), 319 states have internal predecessors, (392), 199 states have call successors, (199), 35 states have call predecessors, (199), 35 states have return successors, (199), 199 states have call predecessors, (199), 199 states have call successors, (199) Second operand has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-28 04:42:10,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:42:10,059 INFO L93 Difference]: Finished difference Result 1076 states and 1680 transitions. [2024-11-28 04:42:10,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:42:10,061 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 192 [2024-11-28 04:42:10,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:42:10,076 INFO L225 Difference]: With dead ends: 1076 [2024-11-28 04:42:10,076 INFO L226 Difference]: Without dead ends: 545 [2024-11-28 04:42:10,087 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 193 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 04:42:10,090 INFO L435 NwaCegarLoop]: 780 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, 780 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 04:42:10,091 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:42:10,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2024-11-28 04:42:10,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 545. [2024-11-28 04:42:10,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 310 states have (on average 1.2225806451612904) internal successors, (379), 312 states have internal predecessors, (379), 199 states have call successors, (199), 35 states have call predecessors, (199), 34 states have return successors, (197), 197 states have call predecessors, (197), 197 states have call successors, (197) [2024-11-28 04:42:10,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 775 transitions. [2024-11-28 04:42:10,243 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 775 transitions. Word has length 192 [2024-11-28 04:42:10,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:42:10,247 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 775 transitions. [2024-11-28 04:42:10,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-28 04:42:10,247 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 775 transitions. [2024-11-28 04:42:10,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-28 04:42:10,259 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:42:10,259 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-28 04:42:10,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:42:10,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 04:42:10,460 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:42:10,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:42:10,461 INFO L85 PathProgramCache]: Analyzing trace with hash 783198340, now seen corresponding path program 1 times [2024-11-28 04:42:10,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:42:10,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411883164] [2024-11-28 04:42:10,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:42:10,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:42:19,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:42:21,029 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2024-11-28 04:42:21,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:42:21,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411883164] [2024-11-28 04:42:21,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411883164] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:42:21,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831444692] [2024-11-28 04:42:21,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:42:21,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:42:21,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:42:21,036 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:42:21,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:42:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:42:30,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 4662 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:42:30,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:42:30,967 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-11-28 04:42:30,968 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:42:30,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831444692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:42:30,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:42:30,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2024-11-28 04:42:30,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444542226] [2024-11-28 04:42:30,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:42:30,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:42:30,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:42:30,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:42:30,974 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:42:30,974 INFO L87 Difference]: Start difference. First operand 545 states and 775 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-28 04:42:33,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:42:33,071 INFO L93 Difference]: Finished difference Result 1044 states and 1496 transitions. [2024-11-28 04:42:33,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:42:33,072 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 192 [2024-11-28 04:42:33,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:42:33,086 INFO L225 Difference]: With dead ends: 1044 [2024-11-28 04:42:33,089 INFO L226 Difference]: Without dead ends: 547 [2024-11-28 04:42:33,093 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:42:33,094 INFO L435 NwaCegarLoop]: 726 mSDtfsCounter, 763 mSDsluCounter, 2146 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 771 SdHoareTripleChecker+Valid, 2872 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:42:33,095 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [771 Valid, 2872 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-28 04:42:33,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2024-11-28 04:42:33,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 547. [2024-11-28 04:42:33,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 311 states have (on average 1.2218649517684887) internal successors, (380), 314 states have internal predecessors, (380), 199 states have call successors, (199), 35 states have call predecessors, (199), 35 states have return successors, (205), 197 states have call predecessors, (205), 197 states have call successors, (205) [2024-11-28 04:42:33,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 784 transitions. [2024-11-28 04:42:33,153 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 784 transitions. Word has length 192 [2024-11-28 04:42:33,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:42:33,154 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 784 transitions. [2024-11-28 04:42:33,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-28 04:42:33,154 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 784 transitions. [2024-11-28 04:42:33,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-28 04:42:33,158 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:42:33,159 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-28 04:42:33,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:42:33,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:42:33,359 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:42:33,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:42:33,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1731214896, now seen corresponding path program 1 times [2024-11-28 04:42:33,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:42:33,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049469617] [2024-11-28 04:42:33,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:42:33,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:42:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:42:42,526 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2024-11-28 04:42:42,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:42:42,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049469617] [2024-11-28 04:42:42,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049469617] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:42:42,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428638656] [2024-11-28 04:42:42,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:42:42,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:42:42,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:42:42,532 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:42:42,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:42:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:42:51,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 4712 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:42:51,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:42:52,787 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-11-28 04:42:52,787 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:42:52,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1428638656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:42:52,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:42:52,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2024-11-28 04:42:52,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245507730] [2024-11-28 04:42:52,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:42:52,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:42:52,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:42:52,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:42:52,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:42:52,790 INFO L87 Difference]: Start difference. First operand 547 states and 784 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-28 04:42:56,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:42:56,274 INFO L93 Difference]: Finished difference Result 1067 states and 1572 transitions. [2024-11-28 04:42:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:42:56,275 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 200 [2024-11-28 04:42:56,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:42:56,282 INFO L225 Difference]: With dead ends: 1067 [2024-11-28 04:42:56,282 INFO L226 Difference]: Without dead ends: 568 [2024-11-28 04:42:56,285 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:42:56,286 INFO L435 NwaCegarLoop]: 726 mSDtfsCounter, 35 mSDsluCounter, 3506 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 4232 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:42:56,286 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 4232 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-28 04:42:56,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2024-11-28 04:42:56,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 566. [2024-11-28 04:42:56,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 327 states have (on average 1.2293577981651376) internal successors, (402), 330 states have internal predecessors, (402), 201 states have call successors, (201), 35 states have call predecessors, (201), 36 states have return successors, (239), 200 states have call predecessors, (239), 199 states have call successors, (239) [2024-11-28 04:42:56,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 842 transitions. [2024-11-28 04:42:56,332 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 842 transitions. Word has length 200 [2024-11-28 04:42:56,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:42:56,332 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 842 transitions. [2024-11-28 04:42:56,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-28 04:42:56,333 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 842 transitions. [2024-11-28 04:42:56,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-28 04:42:56,336 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:42:56,336 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:42:56,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 04:42:56,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:42:56,537 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:42:56,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:42:56,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1828542362, now seen corresponding path program 1 times [2024-11-28 04:42:56,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:42:56,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631447106] [2024-11-28 04:42:56,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:42:56,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:04,936 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2024-11-28 04:43:04,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:04,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631447106] [2024-11-28 04:43:04,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631447106] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:43:04,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944802800] [2024-11-28 04:43:04,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:04,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:43:04,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:43:04,941 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:43:04,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 04:43:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:14,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 4839 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:43:14,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:43:15,474 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-11-28 04:43:15,474 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:43:15,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [944802800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:15,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:43:15,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-28 04:43:15,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238878869] [2024-11-28 04:43:15,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:15,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:43:15,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:15,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:43:15,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:43:15,477 INFO L87 Difference]: Start difference. First operand 566 states and 842 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-28 04:43:18,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:43:18,132 INFO L93 Difference]: Finished difference Result 1090 states and 1641 transitions. [2024-11-28 04:43:18,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:43:18,133 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 215 [2024-11-28 04:43:18,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:43:18,143 INFO L225 Difference]: With dead ends: 1090 [2024-11-28 04:43:18,143 INFO L226 Difference]: Without dead ends: 572 [2024-11-28 04:43:18,146 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:43:18,149 INFO L435 NwaCegarLoop]: 718 mSDtfsCounter, 779 mSDsluCounter, 2814 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 787 SdHoareTripleChecker+Valid, 3532 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:43:18,150 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [787 Valid, 3532 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-28 04:43:18,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-11-28 04:43:18,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 566. [2024-11-28 04:43:18,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 327 states have (on average 1.2293577981651376) internal successors, (402), 330 states have internal predecessors, (402), 201 states have call successors, (201), 35 states have call predecessors, (201), 36 states have return successors, (239), 200 states have call predecessors, (239), 199 states have call successors, (239) [2024-11-28 04:43:18,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 842 transitions. [2024-11-28 04:43:18,203 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 842 transitions. Word has length 215 [2024-11-28 04:43:18,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:43:18,204 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 842 transitions. [2024-11-28 04:43:18,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-28 04:43:18,204 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 842 transitions. [2024-11-28 04:43:18,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-11-28 04:43:18,208 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:43:18,208 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 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 04:43:18,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 04:43:18,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:43:18,409 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:43:18,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:18,410 INFO L85 PathProgramCache]: Analyzing trace with hash -497043457, now seen corresponding path program 1 times [2024-11-28 04:43:18,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:18,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041394516] [2024-11-28 04:43:18,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:18,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:27,276 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-11-28 04:43:27,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:27,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041394516] [2024-11-28 04:43:27,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041394516] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:43:27,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943593188] [2024-11-28 04:43:27,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:27,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:43:27,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:43:27,279 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:43:27,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 04:43:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:36,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 4911 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:43:36,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:43:38,017 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-11-28 04:43:38,017 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:43:38,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1943593188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:38,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:43:38,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2024-11-28 04:43:38,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670009619] [2024-11-28 04:43:38,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:38,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:43:38,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:38,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:43:38,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:43:38,021 INFO L87 Difference]: Start difference. First operand 566 states and 842 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 5 states have call predecessors, (33), 5 states have call successors, (33) [2024-11-28 04:43:42,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:43:42,374 INFO L93 Difference]: Finished difference Result 1117 states and 1680 transitions. [2024-11-28 04:43:42,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:43:42,375 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 5 states have call predecessors, (33), 5 states have call successors, (33) Word has length 231 [2024-11-28 04:43:42,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:43:42,381 INFO L225 Difference]: With dead ends: 1117 [2024-11-28 04:43:42,382 INFO L226 Difference]: Without dead ends: 599 [2024-11-28 04:43:42,385 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:43:42,386 INFO L435 NwaCegarLoop]: 720 mSDtfsCounter, 57 mSDsluCounter, 4169 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 4889 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:43:42,386 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 4889 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-28 04:43:42,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2024-11-28 04:43:42,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 566. [2024-11-28 04:43:42,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 327 states have (on average 1.2293577981651376) internal successors, (402), 330 states have internal predecessors, (402), 201 states have call successors, (201), 35 states have call predecessors, (201), 36 states have return successors, (239), 200 states have call predecessors, (239), 199 states have call successors, (239) [2024-11-28 04:43:42,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 842 transitions. [2024-11-28 04:43:42,424 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 842 transitions. Word has length 231 [2024-11-28 04:43:42,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:43:42,425 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 842 transitions. [2024-11-28 04:43:42,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 5 states have call predecessors, (33), 5 states have call successors, (33) [2024-11-28 04:43:42,425 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 842 transitions. [2024-11-28 04:43:42,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2024-11-28 04:43:42,430 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:43:42,430 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:42,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 04:43:42,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:43:42,631 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:43:42,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:42,632 INFO L85 PathProgramCache]: Analyzing trace with hash 688674615, now seen corresponding path program 2 times [2024-11-28 04:43:42,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:42,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465085273] [2024-11-28 04:43:42,632 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:43:42,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:50,687 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:43:50,690 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:43:53,211 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-11-28 04:43:53,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:53,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465085273] [2024-11-28 04:43:53,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465085273] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:43:53,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584256129] [2024-11-28 04:43:53,212 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:43:53,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:43:53,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:43:53,214 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:43:53,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1b8a5c-4e54-40bd-ade0-551f96d56628/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process