./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_remove_node_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_remove_node_harness.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', '78600a0192aa5022cfa892dc75b9c3e66d227a70dec366d4a7d6798475c28388'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_remove_node_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 78600a0192aa5022cfa892dc75b9c3e66d227a70dec366d4a7d6798475c28388 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 12:00:14,695 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 12:00:14,818 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 12:00:14,826 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 12:00:14,827 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 12:00:14,855 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 12:00:14,857 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 12:00:14,857 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 12:00:14,858 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 12:00:14,858 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 12:00:14,858 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 12:00:14,858 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 12:00:14,859 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 12:00:14,859 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 12:00:14,859 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 12:00:14,859 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 12:00:14,859 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 12:00:14,860 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 12:00:14,860 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 12:00:14,860 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 12:00:14,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 12:00:14,861 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 12:00:14,861 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 12:00:14,861 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 12:00:14,861 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 12:00:14,861 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 12:00:14,861 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 12:00:14,861 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 12:00:14,861 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 12:00:14,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:00:14,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 12:00:14,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 12:00:14,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 12:00:14,861 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 12:00:14,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 12:00:14,862 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 12:00:14,862 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 12:00:14,862 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 12:00:14,862 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 12:00:14,862 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux 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 -> 78600a0192aa5022cfa892dc75b9c3e66d227a70dec366d4a7d6798475c28388 [2024-11-07 12:00:15,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 12:00:15,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 12:00:15,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 12:00:15,186 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 12:00:15,187 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 12:00:15,188 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_remove_node_harness.i [2024-11-07 12:00:16,664 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 12:00:17,289 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 12:00:17,290 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_remove_node_harness.i [2024-11-07 12:00:17,340 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a7e21b9f2/0baf2cb232874a6994476eb30648104a/FLAG2bfadaa51 [2024-11-07 12:00:17,360 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a7e21b9f2/0baf2cb232874a6994476eb30648104a [2024-11-07 12:00:17,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 12:00:17,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 12:00:17,365 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 12:00:17,365 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 12:00:17,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 12:00:17,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:00:17" (1/1) ... [2024-11-07 12:00:17,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@97615fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:17, skipping insertion in model container [2024-11-07 12:00:17,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:00:17" (1/1) ... [2024-11-07 12:00:17,474 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 12:00:17,766 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_remove_node_harness.i[4506,4519] [2024-11-07 12:00:17,775 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_remove_node_harness.i[4566,4579] [2024-11-07 12:00:18,556 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:18,557 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:18,558 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:18,558 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:18,559 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:18,575 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:18,576 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:18,577 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:18,578 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:18,579 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:18,580 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:18,580 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:18,581 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,128 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,133 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,216 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,217 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,217 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,217 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,218 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,218 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,218 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,219 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,219 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,219 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,219 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,220 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,220 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,224 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,225 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,225 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,225 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,227 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,228 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,233 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,234 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,234 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,245 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,250 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,250 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,251 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,251 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,252 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:00:19,293 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 12:00:19,309 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_remove_node_harness.i[4506,4519] [2024-11-07 12:00:19,310 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_remove_node_harness.i[4566,4579] [2024-11-07 12:00:19,367 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,367 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,368 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,368 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,368 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,373 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,373 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,374 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,374 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,375 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,375 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,376 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,376 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,472 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,477 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,483 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7818-7829] [2024-11-07 12:00:19,503 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,504 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,504 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,505 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,506 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,506 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,507 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,507 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,508 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,508 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,508 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,508 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,508 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,509 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,509 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,509 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,509 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,511 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,512 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,517 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,517 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,517 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,525 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,527 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,527 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,527 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,528 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,528 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:19,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:00:19,841 INFO L204 MainTranslator]: Completed translation [2024-11-07 12:00:19,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:19 WrapperNode [2024-11-07 12:00:19,842 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 12:00:19,843 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 12:00:19,844 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 12:00:19,844 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 12:00:19,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:19" (1/1) ... [2024-11-07 12:00:19,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:19" (1/1) ... [2024-11-07 12:00:20,022 INFO L138 Inliner]: procedures = 688, calls = 1968, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 746 [2024-11-07 12:00:20,023 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 12:00:20,024 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 12:00:20,024 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 12:00:20,024 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 12:00:20,040 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:19" (1/1) ... [2024-11-07 12:00:20,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:19" (1/1) ... [2024-11-07 12:00:20,050 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:19" (1/1) ... [2024-11-07 12:00:20,160 INFO L175 MemorySlicer]: Split 356 memory accesses to 5 slices as follows [76, 2, 3, 262, 13]. 74 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [0, 2, 1, 11, 11]. The 262 writes are split as follows [19, 0, 1, 242, 0]. [2024-11-07 12:00:20,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:19" (1/1) ... [2024-11-07 12:00:20,163 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:19" (1/1) ... [2024-11-07 12:00:20,232 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:19" (1/1) ... [2024-11-07 12:00:20,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:19" (1/1) ... [2024-11-07 12:00:20,264 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:19" (1/1) ... [2024-11-07 12:00:20,271 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:19" (1/1) ... [2024-11-07 12:00:20,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 12:00:20,289 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 12:00:20,290 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 12:00:20,290 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 12:00:20,291 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:19" (1/1) ... [2024-11-07 12:00:20,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:00:20,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:00:20,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 12:00:20,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 12:00:20,363 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-07 12:00:20,363 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-07 12:00:20,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 12:00:20,363 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-07 12:00:20,363 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-07 12:00:20,363 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-07 12:00:20,363 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-07 12:00:20,363 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 12:00:20,363 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 12:00:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 12:00:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 12:00:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 12:00:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 12:00:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 12:00:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 12:00:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 12:00:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 12:00:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 12:00:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 12:00:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-07 12:00:20,364 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-07 12:00:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 12:00:20,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 12:00:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 12:00:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 12:00:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 12:00:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 12:00:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 12:00:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 12:00:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 12:00:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 12:00:20,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 12:00:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 12:00:20,367 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 12:00:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-07 12:00:20,367 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-07 12:00:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-07 12:00:20,367 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-07 12:00:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 12:00:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 12:00:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 12:00:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 12:00:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 12:00:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-07 12:00:20,367 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-07 12:00:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-07 12:00:20,367 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-07 12:00:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-07 12:00:20,367 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-07 12:00:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 12:00:20,367 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 12:00:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-07 12:00:20,367 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-07 12:00:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 12:00:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 12:00:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 12:00:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 12:00:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 12:00:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 12:00:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 12:00:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 12:00:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 12:00:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 12:00:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 12:00:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 12:00:20,368 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 12:00:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-07 12:00:20,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-07 12:00:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_using_uint64_impl [2024-11-07 12:00:20,368 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_using_uint64_impl [2024-11-07 12:00:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 12:00:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 12:00:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 12:00:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 12:00:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 12:00:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-07 12:00:20,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-07 12:00:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 12:00:20,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 12:00:20,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 12:00:20,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 12:00:20,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 12:00:20,369 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2024-11-07 12:00:20,369 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2024-11-07 12:00:20,694 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 12:00:20,697 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 12:00:27,538 INFO L? ?]: Removed 158 outVars from TransFormulas that were not future-live. [2024-11-07 12:00:27,538 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 12:00:27,559 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 12:00:27,560 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-07 12:00:27,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:00:27 BoogieIcfgContainer [2024-11-07 12:00:27,561 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 12:00:27,564 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 12:00:27,564 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 12:00:27,568 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 12:00:27,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:00:17" (1/3) ... [2024-11-07 12:00:27,569 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e98fc8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:00:27, skipping insertion in model container [2024-11-07 12:00:27,570 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:19" (2/3) ... [2024-11-07 12:00:27,570 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e98fc8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:00:27, skipping insertion in model container [2024-11-07 12:00:27,570 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:00:27" (3/3) ... [2024-11-07 12:00:27,572 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_remove_node_harness.i [2024-11-07 12:00:27,585 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 12:00:27,585 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 12:00:27,647 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 12:00:27,660 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;@16ed311c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 12:00:27,660 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 12:00:27,665 INFO L276 IsEmpty]: Start isEmpty. Operand has 248 states, 162 states have (on average 1.271604938271605) internal successors, (206), 163 states have internal predecessors, (206), 65 states have call successors, (65), 19 states have call predecessors, (65), 19 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-07 12:00:27,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-07 12:00:27,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:00:27,677 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 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] [2024-11-07 12:00:27,678 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:00:27,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:00:27,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1715384061, now seen corresponding path program 1 times [2024-11-07 12:00:27,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:00:27,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569377027] [2024-11-07 12:00:27,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:00:27,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:00:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:33,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:00:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:33,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 12:00:33,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:33,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 12:00:33,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:33,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:00:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:33,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 12:00:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:33,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 12:00:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:33,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 12:00:33,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:33,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 12:00:33,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:33,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 12:00:33,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:34,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 12:00:34,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:34,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 12:00:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:34,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 12:00:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:34,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 12:00:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:34,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 12:00:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:34,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 12:00:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:34,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 12:00:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:34,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 12:00:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:34,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-07 12:00:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:34,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:00:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:34,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 12:00:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:34,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-07 12:00:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:34,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-07 12:00:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:34,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:00:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:34,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 12:00:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:34,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 12:00:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:34,991 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-07 12:00:34,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:00:34,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569377027] [2024-11-07 12:00:34,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569377027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:00:34,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:00:34,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 12:00:34,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558041991] [2024-11-07 12:00:34,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:00:35,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 12:00:35,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:00:35,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 12:00:35,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:00:35,027 INFO L87 Difference]: Start difference. First operand has 248 states, 162 states have (on average 1.271604938271605) internal successors, (206), 163 states have internal predecessors, (206), 65 states have call successors, (65), 19 states have call predecessors, (65), 19 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-07 12:00:39,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:00:43,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:00:47,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:00:56,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:00:56,199 INFO L93 Difference]: Finished difference Result 553 states and 824 transitions. [2024-11-07 12:00:56,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 12:00:56,201 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 147 [2024-11-07 12:00:56,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:00:56,213 INFO L225 Difference]: With dead ends: 553 [2024-11-07 12:00:56,213 INFO L226 Difference]: Without dead ends: 323 [2024-11-07 12:00:56,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-07 12:00:56,228 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 363 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 317 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 317 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2024-11-07 12:00:56,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 277 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [317 Valid, 338 Invalid, 3 Unknown, 0 Unchecked, 20.4s Time] [2024-11-07 12:00:56,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-07 12:00:56,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 243. [2024-11-07 12:00:56,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 158 states have (on average 1.2531645569620253) internal successors, (198), 159 states have internal predecessors, (198), 65 states have call successors, (65), 19 states have call predecessors, (65), 19 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-07 12:00:56,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 327 transitions. [2024-11-07 12:00:56,333 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 327 transitions. Word has length 147 [2024-11-07 12:00:56,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:00:56,334 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 327 transitions. [2024-11-07 12:00:56,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-07 12:00:56,334 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 327 transitions. [2024-11-07 12:00:56,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-07 12:00:56,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:00:56,345 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 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] [2024-11-07 12:00:56,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 12:00:56,346 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:00:56,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:00:56,347 INFO L85 PathProgramCache]: Analyzing trace with hash -2013094911, now seen corresponding path program 1 times [2024-11-07 12:00:56,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:00:56,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337761028] [2024-11-07 12:00:56,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:00:56,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:01:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:01,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:01:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:01,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 12:01:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:01,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 12:01:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:01,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:01:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:01,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 12:01:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:01,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 12:01:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:01,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 12:01:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:01,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 12:01:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:01,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 12:01:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:02,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 12:01:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:02,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 12:01:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:02,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 12:01:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:02,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 12:01:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:02,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 12:01:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:02,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 12:01:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:02,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 12:01:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:02,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 12:01:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:03,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-07 12:01:03,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:03,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:01:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:03,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 12:01:03,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:03,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-07 12:01:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:03,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-07 12:01:03,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:03,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:01:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:03,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 12:01:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:03,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 12:01:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:03,215 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-07 12:01:03,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:01:03,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337761028] [2024-11-07 12:01:03,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337761028] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 12:01:03,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538250325] [2024-11-07 12:01:03,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:01:03,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:01:03,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:01:03,222 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 12:01:03,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 12:01:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:08,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 4446 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-07 12:01:09,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 12:01:09,069 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-11-07 12:01:09,070 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 12:01:09,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1538250325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:01:09,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 12:01:09,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2024-11-07 12:01:09,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777114456] [2024-11-07 12:01:09,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:01:09,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:01:09,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:01:09,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:01:09,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 12:01:09,074 INFO L87 Difference]: Start difference. First operand 243 states and 327 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-07 12:01:09,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:01:09,231 INFO L93 Difference]: Finished difference Result 462 states and 624 transitions. [2024-11-07 12:01:09,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:01:09,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 147 [2024-11-07 12:01:09,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:01:09,236 INFO L225 Difference]: With dead ends: 462 [2024-11-07 12:01:09,240 INFO L226 Difference]: Without dead ends: 244 [2024-11-07 12:01:09,244 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 12:01:09,246 INFO L432 NwaCegarLoop]: 326 mSDtfsCounter, 0 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 12:01:09,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 648 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 12:01:09,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-07 12:01:09,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2024-11-07 12:01:09,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 159 states have (on average 1.251572327044025) internal successors, (199), 160 states have internal predecessors, (199), 65 states have call successors, (65), 19 states have call predecessors, (65), 19 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-07 12:01:09,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 328 transitions. [2024-11-07 12:01:09,283 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 328 transitions. Word has length 147 [2024-11-07 12:01:09,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:01:09,284 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 328 transitions. [2024-11-07 12:01:09,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-07 12:01:09,284 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 328 transitions. [2024-11-07 12:01:09,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-07 12:01:09,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:01:09,290 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 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] [2024-11-07 12:01:09,320 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 12:01:09,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:01:09,491 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:01:09,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:01:09,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1196603455, now seen corresponding path program 1 times [2024-11-07 12:01:09,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:01:09,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762171460] [2024-11-07 12:01:09,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:01:09,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:01:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:16,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:01:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:16,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 12:01:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:16,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 12:01:16,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:16,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:01:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:16,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 12:01:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:16,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 12:01:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:16,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 12:01:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:16,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 12:01:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:16,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 12:01:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:17,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 12:01:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:17,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 12:01:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:17,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 12:01:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:17,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 12:01:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:17,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 12:01:17,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:17,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 12:01:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:17,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 12:01:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:17,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 12:01:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:18,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-07 12:01:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:19,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:01:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:19,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 12:01:19,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:19,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-07 12:01:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:19,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-07 12:01:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:19,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:01:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:19,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 12:01:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:19,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 12:01:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:19,648 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-07 12:01:19,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:01:19,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762171460] [2024-11-07 12:01:19,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762171460] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 12:01:19,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439127107] [2024-11-07 12:01:19,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:01:19,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:01:19,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:01:19,652 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 12:01:19,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 12:01:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:24,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 4452 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-07 12:01:24,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 12:01:26,076 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-07 12:01:26,076 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 12:01:29,826 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-07 12:01:29,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439127107] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 12:01:29,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 12:01:29,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 10 [2024-11-07 12:01:29,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557984553] [2024-11-07 12:01:29,827 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 12:01:29,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 12:01:29,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:01:29,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 12:01:29,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-07 12:01:29,829 INFO L87 Difference]: Start difference. First operand 244 states and 328 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (31), 5 states have call predecessors, (31), 3 states have return successors, (24), 4 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-07 12:01:33,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:01:38,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []