./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_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_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/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_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/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_b4e57b88-df34-435e-8791-a5f120d88436/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 ef2e817da006dafbe2f0422952bede0c690cddbbb39ea2d021756ba99f8c2002 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:45:57,364 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:45:57,465 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 04:45:57,476 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:45:57,479 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:45:57,528 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:45:57,529 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:45:57,530 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:45:57,531 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:45:57,531 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:45:57,531 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:45:57,532 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:45:57,532 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:45:57,533 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:45:57,533 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:45:57,534 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:45:57,534 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:45:57,534 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:45:57,534 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:45:57,534 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:45:57,534 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:45:57,534 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:45:57,535 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:45:57,535 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:45:57,535 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:45:57,535 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:45:57,535 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:45:57,535 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:45:57,535 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:45:57,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:45:57,536 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:45:57,536 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:45:57,536 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:45:57,536 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:45:57,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:45:57,537 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:45:57,537 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:45:57,537 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:45:57,537 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:45:57,537 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:45:57,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:45:57,538 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:45:57,538 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:45:57,538 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:45:57,538 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:45:57,538 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_b4e57b88-df34-435e-8791-a5f120d88436/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 -> ef2e817da006dafbe2f0422952bede0c690cddbbb39ea2d021756ba99f8c2002 [2024-11-28 04:45:57,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:45:57,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:45:57,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:45:57,964 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:45:57,964 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:45:57,966 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i [2024-11-28 04:46:01,303 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/data/3228c2aaf/31e2f890a36141bdb60c0529d891da58/FLAG7a8831456 [2024-11-28 04:46:02,009 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:46:02,010 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i [2024-11-28 04:46:02,063 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/data/3228c2aaf/31e2f890a36141bdb60c0529d891da58/FLAG7a8831456 [2024-11-28 04:46:02,370 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/data/3228c2aaf/31e2f890a36141bdb60c0529d891da58 [2024-11-28 04:46:02,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:46:02,376 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:46:02,378 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:46:02,378 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:46:02,384 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:46:02,385 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:46:02" (1/1) ... [2024-11-28 04:46:02,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6779d05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:46:02, skipping insertion in model container [2024-11-28 04:46:02,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:46:02" (1/1) ... [2024-11-28 04:46:02,521 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:46:02,907 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_b4e57b88-df34-435e-8791-a5f120d88436/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4497,4510] [2024-11-28 04:46:02,920 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_b4e57b88-df34-435e-8791-a5f120d88436/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4557,4570] [2024-11-28 04:46:04,160 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:04,161 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:04,162 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:04,166 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:04,168 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:04,213 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:04,216 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:04,221 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:04,222 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:04,227 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:04,228 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:04,229 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:04,230 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,422 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,436 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,699 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,700 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,700 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,701 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,701 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,702 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,703 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,704 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,704 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,705 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,705 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,706 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,706 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,711 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,712 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,714 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,715 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,722 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,723 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,741 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,744 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,744 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:46:05,834 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:46:05,854 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_b4e57b88-df34-435e-8791-a5f120d88436/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4497,4510] [2024-11-28 04:46:05,855 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_b4e57b88-df34-435e-8791-a5f120d88436/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4557,4570] [2024-11-28 04:46:05,930 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,931 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,931 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,932 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,933 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,941 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,942 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,943 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,943 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,945 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,945 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,946 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:05,947 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:06,082 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:06,092 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:06,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7771-7782] [2024-11-28 04:46:06,149 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:06,150 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:06,151 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:06,151 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:06,151 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:06,152 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:06,152 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:06,154 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:06,154 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:06,155 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:06,155 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:06,155 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:06,155 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:06,156 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:06,157 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:06,159 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:06,159 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:06,162 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:06,165 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:06,176 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:06,177 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:06,178 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:46:06,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:46:06,571 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:46:06,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:46:06 WrapperNode [2024-11-28 04:46:06,573 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:46:06,574 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:46:06,575 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:46:06,575 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:46:06,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:46:06" (1/1) ... [2024-11-28 04:46:06,673 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:46:06" (1/1) ... [2024-11-28 04:46:06,838 INFO L138 Inliner]: procedures = 686, calls = 1891, calls flagged for inlining = 59, calls inlined = 19, statements flattened = 1194 [2024-11-28 04:46:06,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:46:06,840 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:46:06,840 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:46:06,840 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:46:06,854 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:46:06" (1/1) ... [2024-11-28 04:46:06,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:46:06" (1/1) ... [2024-11-28 04:46:06,882 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:46:06" (1/1) ... [2024-11-28 04:46:07,103 INFO L175 MemorySlicer]: Split 385 memory accesses to 6 slices as follows [238, 2, 105, 7, 9, 24]. 62 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [6, 2, 0, 2, 1, 5]. The 268 writes are split as follows [232, 0, 26, 1, 1, 8]. [2024-11-28 04:46:07,106 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:46:06" (1/1) ... [2024-11-28 04:46:07,107 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:46:06" (1/1) ... [2024-11-28 04:46:07,220 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:46:06" (1/1) ... [2024-11-28 04:46:07,226 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:46:06" (1/1) ... [2024-11-28 04:46:07,239 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:46:06" (1/1) ... [2024-11-28 04:46:07,266 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:46:06" (1/1) ... [2024-11-28 04:46:07,280 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:46:06" (1/1) ... [2024-11-28 04:46:07,303 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:46:07,308 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:46:07,309 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:46:07,309 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:46:07,310 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:46:06" (1/1) ... [2024-11-28 04:46:07,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:46:07,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:46:07,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:46:07,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:46:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-11-28 04:46:07,407 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-11-28 04:46:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2024-11-28 04:46:07,409 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2024-11-28 04:46:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-28 04:46:07,410 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-28 04:46:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:46:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-28 04:46:07,411 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-28 04:46:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-28 04:46:07,411 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-28 04:46:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-28 04:46:07,411 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-28 04:46:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-28 04:46:07,412 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-28 04:46:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-11-28 04:46:07,412 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-11-28 04:46:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 04:46:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 04:46:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 04:46:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 04:46:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 04:46:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 04:46:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 04:46:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 04:46:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 04:46:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 04:46:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 04:46:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 04:46:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-28 04:46:07,413 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-28 04:46:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 04:46:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 04:46:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 04:46:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:46:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 04:46:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 04:46:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 04:46:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 04:46:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 04:46:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 04:46:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-11-28 04:46:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-11-28 04:46:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-28 04:46:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-28 04:46:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:46:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:46:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-28 04:46:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-28 04:46:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-28 04:46:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-28 04:46:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-28 04:46:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-28 04:46:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 04:46:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 04:46:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 04:46:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 04:46:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 04:46:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 04:46:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-28 04:46:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-28 04:46:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-28 04:46:07,421 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-28 04:46:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-28 04:46:07,421 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-28 04:46:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-28 04:46:07,421 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-28 04:46:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-28 04:46:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-28 04:46:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-28 04:46:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-28 04:46:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-28 04:46:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-28 04:46:07,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-28 04:46:07,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-28 04:46:07,424 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-28 04:46:07,428 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-28 04:46:07,428 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-28 04:46:07,428 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-28 04:46:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:46:07,428 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:46:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-28 04:46:07,429 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-28 04:46:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2024-11-28 04:46:07,429 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2024-11-28 04:46:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-28 04:46:07,429 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-28 04:46:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:46:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-28 04:46:07,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-28 04:46:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 04:46:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 04:46:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 04:46:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 04:46:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 04:46:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 04:46:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 04:46:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 04:46:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 04:46:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 04:46:07,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 04:46:07,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 04:46:07,432 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-11-28 04:46:07,432 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-11-28 04:46:07,432 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-28 04:46:07,433 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-28 04:46:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-28 04:46:07,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-28 04:46:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-28 04:46:07,433 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-28 04:46:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 04:46:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 04:46:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 04:46:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 04:46:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 04:46:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 04:46:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-28 04:46:07,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-28 04:46:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2024-11-28 04:46:07,434 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2024-11-28 04:46:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-28 04:46:07,434 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-28 04:46:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-28 04:46:07,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-28 04:46:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:46:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 04:46:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 04:46:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 04:46:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 04:46:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 04:46:08,150 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:46:08,155 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:46:16,965 INFO L? ?]: Removed 322 outVars from TransFormulas that were not future-live. [2024-11-28 04:46:16,965 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:46:17,013 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:46:17,016 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 04:46:17,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:46:17 BoogieIcfgContainer [2024-11-28 04:46:17,017 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:46:17,024 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:46:17,024 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:46:17,033 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:46:17,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:46:02" (1/3) ... [2024-11-28 04:46:17,035 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff5ff2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:46:17, skipping insertion in model container [2024-11-28 04:46:17,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:46:06" (2/3) ... [2024-11-28 04:46:17,035 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff5ff2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:46:17, skipping insertion in model container [2024-11-28 04:46:17,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:46:17" (3/3) ... [2024-11-28 04:46:17,037 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_harness.i [2024-11-28 04:46:17,062 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:46:17,064 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_push_harness.i that has 39 procedures, 572 locations, 1 initial locations, 10 loop locations, and 2 error locations. [2024-11-28 04:46:17,191 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:46:17,210 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;@16ed270d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:46:17,211 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-28 04:46:17,219 INFO L276 IsEmpty]: Start isEmpty. Operand has 556 states, 318 states have (on average 1.2421383647798743) internal successors, (395), 321 states have internal predecessors, (395), 202 states have call successors, (202), 34 states have call predecessors, (202), 34 states have return successors, (202), 202 states have call predecessors, (202), 202 states have call successors, (202) [2024-11-28 04:46:17,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-28 04:46:17,244 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:46:17,245 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 3, 3, 3, 3, 3, 3, 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] [2024-11-28 04:46:17,246 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:46:17,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:46:17,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1237448734, now seen corresponding path program 1 times [2024-11-28 04:46:17,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:46:17,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263985677] [2024-11-28 04:46:17,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:46:17,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:46:27,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:46:28,010 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2024-11-28 04:46:28,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:46:28,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263985677] [2024-11-28 04:46:28,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263985677] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:46:28,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307827222] [2024-11-28 04:46:28,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:46:28,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:46:28,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:46:28,020 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:46:28,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:46:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:46:36,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 4658 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:46:36,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:46:36,861 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2024-11-28 04:46:36,861 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:46:36,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1307827222] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:46:36,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:46:36,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:46:36,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106656294] [2024-11-28 04:46:36,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:46:36,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:46:36,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:46:36,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:46:36,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:46:36,911 INFO L87 Difference]: Start difference. First operand has 556 states, 318 states have (on average 1.2421383647798743) internal successors, (395), 321 states have internal predecessors, (395), 202 states have call successors, (202), 34 states have call predecessors, (202), 34 states have return successors, (202), 202 states have call predecessors, (202), 202 states have call successors, (202) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-28 04:46:37,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:46:37,091 INFO L93 Difference]: Finished difference Result 1084 states and 1701 transitions. [2024-11-28 04:46:37,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:46:37,097 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 197 [2024-11-28 04:46:37,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:46:37,128 INFO L225 Difference]: With dead ends: 1084 [2024-11-28 04:46:37,128 INFO L226 Difference]: Without dead ends: 549 [2024-11-28 04:46:37,148 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 198 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 04:46:37,157 INFO L435 NwaCegarLoop]: 789 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, 789 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 04:46:37,157 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:46:37,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2024-11-28 04:46:37,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 549. [2024-11-28 04:46:37,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 312 states have (on average 1.2243589743589745) internal successors, (382), 314 states have internal predecessors, (382), 202 states have call successors, (202), 34 states have call predecessors, (202), 33 states have return successors, (200), 200 states have call predecessors, (200), 200 states have call successors, (200) [2024-11-28 04:46:37,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 784 transitions. [2024-11-28 04:46:37,336 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 784 transitions. Word has length 197 [2024-11-28 04:46:37,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:46:37,338 INFO L471 AbstractCegarLoop]: Abstraction has 549 states and 784 transitions. [2024-11-28 04:46:37,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-28 04:46:37,339 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 784 transitions. [2024-11-28 04:46:37,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-28 04:46:37,351 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:46:37,351 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 3, 3, 3, 3, 3, 3, 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] [2024-11-28 04:46:37,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 04:46:37,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:46:37,552 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:46:37,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:46:37,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1202125412, now seen corresponding path program 1 times [2024-11-28 04:46:37,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:46:37,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68926940] [2024-11-28 04:46:37,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:46:37,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:46:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:46:45,776 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-11-28 04:46:45,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:46:45,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68926940] [2024-11-28 04:46:45,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68926940] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:46:45,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185307761] [2024-11-28 04:46:45,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:46:45,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:46:45,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:46:45,782 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:46:45,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:46:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:46:54,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 4658 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:46:54,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:46:54,980 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-28 04:46:54,980 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:46:54,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185307761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:46:54,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:46:54,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2024-11-28 04:46:54,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820488401] [2024-11-28 04:46:54,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:46:54,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:46:54,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:46:54,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:46:54,984 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:46:54,985 INFO L87 Difference]: Start difference. First operand 549 states and 784 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-28 04:46:57,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:46:57,708 INFO L93 Difference]: Finished difference Result 1052 states and 1516 transitions. [2024-11-28 04:46:57,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:46:57,709 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 197 [2024-11-28 04:46:57,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:46:57,719 INFO L225 Difference]: With dead ends: 1052 [2024-11-28 04:46:57,720 INFO L226 Difference]: Without dead ends: 551 [2024-11-28 04:46:57,724 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:46:57,725 INFO L435 NwaCegarLoop]: 707 mSDtfsCounter, 794 mSDsluCounter, 2034 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 798 SdHoareTripleChecker+Valid, 2741 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:46:57,725 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [798 Valid, 2741 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-28 04:46:57,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2024-11-28 04:46:57,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 551. [2024-11-28 04:46:57,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 313 states have (on average 1.2236421725239617) internal successors, (383), 316 states have internal predecessors, (383), 202 states have call successors, (202), 34 states have call predecessors, (202), 34 states have return successors, (210), 200 states have call predecessors, (210), 200 states have call successors, (210) [2024-11-28 04:46:57,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 795 transitions. [2024-11-28 04:46:57,798 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 795 transitions. Word has length 197 [2024-11-28 04:46:57,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:46:57,800 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 795 transitions. [2024-11-28 04:46:57,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-28 04:46:57,800 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 795 transitions. [2024-11-28 04:46:57,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-28 04:46:57,804 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:46:57,805 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 4, 4, 4, 3, 3, 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] [2024-11-28 04:46:57,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:46:58,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:46:58,006 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:46:58,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:46:58,006 INFO L85 PathProgramCache]: Analyzing trace with hash 2146553172, now seen corresponding path program 1 times [2024-11-28 04:46:58,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:46:58,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194475979] [2024-11-28 04:46:58,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:46:58,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:47:04,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:47:06,247 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2024-11-28 04:47:06,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:47:06,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194475979] [2024-11-28 04:47:06,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194475979] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:47:06,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113343994] [2024-11-28 04:47:06,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:47:06,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:47:06,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:47:06,255 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:47:06,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:47:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:47:14,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 4708 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:47:14,603 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:47:15,826 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-28 04:47:15,826 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:47:15,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113343994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:47:15,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:47:15,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2024-11-28 04:47:15,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586191868] [2024-11-28 04:47:15,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:47:15,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:47:15,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:47:15,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:47:15,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:47:15,829 INFO L87 Difference]: Start difference. First operand 551 states and 795 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 4 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-28 04:47:19,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:47:19,778 INFO L93 Difference]: Finished difference Result 1075 states and 1596 transitions. [2024-11-28 04:47:19,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:47:19,779 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 4 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 205 [2024-11-28 04:47:19,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:47:19,788 INFO L225 Difference]: With dead ends: 1075 [2024-11-28 04:47:19,788 INFO L226 Difference]: Without dead ends: 572 [2024-11-28 04:47:19,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:47:19,794 INFO L435 NwaCegarLoop]: 751 mSDtfsCounter, 88 mSDsluCounter, 3531 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 4282 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:47:19,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 4282 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-28 04:47:19,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-11-28 04:47:19,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 570. [2024-11-28 04:47:19,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 329 states have (on average 1.2310030395136777) internal successors, (405), 332 states have internal predecessors, (405), 204 states have call successors, (204), 34 states have call predecessors, (204), 35 states have return successors, (244), 203 states have call predecessors, (244), 202 states have call successors, (244) [2024-11-28 04:47:19,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 853 transitions. [2024-11-28 04:47:19,859 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 853 transitions. Word has length 205 [2024-11-28 04:47:19,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:47:19,860 INFO L471 AbstractCegarLoop]: Abstraction has 570 states and 853 transitions. [2024-11-28 04:47:19,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 4 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-28 04:47:19,860 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 853 transitions. [2024-11-28 04:47:19,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-28 04:47:19,871 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:47:19,871 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 4, 4, 3, 3, 3, 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] [2024-11-28 04:47:19,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 04:47:20,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:47:20,072 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:47:20,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:47:20,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1794014854, now seen corresponding path program 1 times [2024-11-28 04:47:20,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:47:20,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163667864] [2024-11-28 04:47:20,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:47:20,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:47:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:47:28,998 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-11-28 04:47:28,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:47:28,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163667864] [2024-11-28 04:47:28,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163667864] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:47:28,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849653228] [2024-11-28 04:47:29,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:47:29,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:47:29,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:47:29,003 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:47:29,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 04:47:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:47:38,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 4835 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:47:38,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:47:39,512 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-28 04:47:39,512 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:47:39,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1849653228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:47:39,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:47:39,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-28 04:47:39,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837752163] [2024-11-28 04:47:39,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:47:39,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:47:39,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:47:39,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:47:39,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:47:39,516 INFO L87 Difference]: Start difference. First operand 570 states and 853 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-28 04:47:43,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:47:43,671 INFO L93 Difference]: Finished difference Result 1098 states and 1667 transitions. [2024-11-28 04:47:43,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:47:43,672 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 220 [2024-11-28 04:47:43,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:47:43,682 INFO L225 Difference]: With dead ends: 1098 [2024-11-28 04:47:43,683 INFO L226 Difference]: Without dead ends: 576 [2024-11-28 04:47:43,688 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:47:43,691 INFO L435 NwaCegarLoop]: 699 mSDtfsCounter, 810 mSDsluCounter, 2681 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 3380 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:47:43,692 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [814 Valid, 3380 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-28 04:47:43,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2024-11-28 04:47:43,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 570. [2024-11-28 04:47:43,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 329 states have (on average 1.2310030395136777) internal successors, (405), 332 states have internal predecessors, (405), 204 states have call successors, (204), 34 states have call predecessors, (204), 35 states have return successors, (244), 203 states have call predecessors, (244), 202 states have call successors, (244) [2024-11-28 04:47:43,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 853 transitions. [2024-11-28 04:47:43,773 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 853 transitions. Word has length 220 [2024-11-28 04:47:43,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:47:43,774 INFO L471 AbstractCegarLoop]: Abstraction has 570 states and 853 transitions. [2024-11-28 04:47:43,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-28 04:47:43,775 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 853 transitions. [2024-11-28 04:47:43,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2024-11-28 04:47:43,781 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:47:43,781 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:47:43,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 04:47:43,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-28 04:47:43,982 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:47:43,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:47:43,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1227301979, now seen corresponding path program 1 times [2024-11-28 04:47:43,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:47:43,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089251861] [2024-11-28 04:47:43,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:47:43,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:47:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:47:53,483 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2024-11-28 04:47:53,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:47:53,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089251861] [2024-11-28 04:47:53,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089251861] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:47:53,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525814953] [2024-11-28 04:47:53,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:47:53,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:47:53,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:47:53,488 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:47:53,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 04:48:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:48:02,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 4907 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:48:02,066 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:48:03,372 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2024-11-28 04:48:03,372 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:48:03,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525814953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:48:03,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:48:03,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2024-11-28 04:48:03,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519756631] [2024-11-28 04:48:03,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:48:03,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:48:03,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:48:03,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:48:03,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:48:03,375 INFO L87 Difference]: Start difference. First operand 570 states and 853 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 8 states have internal predecessors, (98), 5 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (35), 5 states have call predecessors, (35), 5 states have call successors, (35) [2024-11-28 04:48:07,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:48:07,517 INFO L93 Difference]: Finished difference Result 1125 states and 1706 transitions. [2024-11-28 04:48:07,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:48:07,518 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 8 states have internal predecessors, (98), 5 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (35), 5 states have call predecessors, (35), 5 states have call successors, (35) Word has length 236 [2024-11-28 04:48:07,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:48:07,526 INFO L225 Difference]: With dead ends: 1125 [2024-11-28 04:48:07,527 INFO L226 Difference]: Without dead ends: 603 [2024-11-28 04:48:07,531 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:48:07,532 INFO L435 NwaCegarLoop]: 728 mSDtfsCounter, 110 mSDsluCounter, 4131 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 4859 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:48:07,532 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 4859 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-28 04:48:07,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2024-11-28 04:48:07,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 570. [2024-11-28 04:48:07,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 329 states have (on average 1.2310030395136777) internal successors, (405), 332 states have internal predecessors, (405), 204 states have call successors, (204), 34 states have call predecessors, (204), 35 states have return successors, (244), 203 states have call predecessors, (244), 202 states have call successors, (244) [2024-11-28 04:48:07,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 853 transitions. [2024-11-28 04:48:07,580 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 853 transitions. Word has length 236 [2024-11-28 04:48:07,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:48:07,581 INFO L471 AbstractCegarLoop]: Abstraction has 570 states and 853 transitions. [2024-11-28 04:48:07,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 8 states have internal predecessors, (98), 5 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (35), 5 states have call predecessors, (35), 5 states have call successors, (35) [2024-11-28 04:48:07,581 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 853 transitions. [2024-11-28 04:48:07,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-11-28 04:48:07,586 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:48:07,586 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 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, 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] [2024-11-28 04:48:07,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-28 04:48:07,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:48:07,787 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:48:07,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:48:07,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1389719441, now seen corresponding path program 2 times [2024-11-28 04:48:07,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:48:07,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396692571] [2024-11-28 04:48:07,789 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:48:07,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:48:15,541 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:48:15,542 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:48:17,339 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2024-11-28 04:48:17,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:48:17,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396692571] [2024-11-28 04:48:17,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396692571] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:48:17,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463238229] [2024-11-28 04:48:17,340 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:48:17,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:48:17,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:48:17,343 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:48:17,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e57b88-df34-435e-8791-a5f120d88436/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process