./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_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_array_list_ensure_capacity_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', 'c12ad62b7b197015493bfb3c1dd9a5de2922d9b16e39f249961c276d8b82591b'] 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_array_list_ensure_capacity_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 c12ad62b7b197015493bfb3c1dd9a5de2922d9b16e39f249961c276d8b82591b --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:37:45,734 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:37:45,798 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:37:45,802 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:37:45,803 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:37:45,822 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:37:45,824 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:37:45,824 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:37:45,824 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:37:45,825 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:37:45,825 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:37:45,825 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:37:45,825 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:37:45,826 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:37:45,826 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:37:45,826 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:37:45,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:37:45,826 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:37:45,826 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:37:45,826 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:37:45,826 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:37:45,827 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:37:45,827 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:37:45,827 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:37:45,827 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:37:45,827 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:37:45,827 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:37:45,827 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:37:45,827 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:37:45,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:37:45,828 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:37:45,828 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:37:45,828 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:37:45,828 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:37:45,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:37:45,828 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:37:45,828 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:37:45,829 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:37:45,829 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:37:45,829 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 -> c12ad62b7b197015493bfb3c1dd9a5de2922d9b16e39f249961c276d8b82591b [2024-11-07 11:37:46,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:37:46,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:37:46,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:37:46,100 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:37:46,100 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:37:46,105 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i [2024-11-07 11:37:47,487 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:37:48,090 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:37:48,091 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i [2024-11-07 11:37:48,118 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/72896a0cd/cbf2f8c3094b4ba1b289b05bc0cc89af/FLAGa9a2fbb43 [2024-11-07 11:37:48,583 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/72896a0cd/cbf2f8c3094b4ba1b289b05bc0cc89af [2024-11-07 11:37:48,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:37:48,587 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:37:48,592 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:37:48,592 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:37:48,596 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:37:48,600 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:37:48" (1/1) ... [2024-11-07 11:37:48,601 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36526e5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:37:48, skipping insertion in model container [2024-11-07 11:37:48,603 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:37:48" (1/1) ... [2024-11-07 11:37:48,785 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:37:49,056 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_array_list_ensure_capacity_harness.i[4504,4517] [2024-11-07 11:37:49,062 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_array_list_ensure_capacity_harness.i[4564,4577] [2024-11-07 11:37:49,477 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:49,478 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:49,478 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:49,478 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:49,479 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:49,488 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:49,489 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:49,490 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:49,490 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:49,491 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:49,492 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:49,492 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:49,493 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:49,786 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:49,786 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:49,793 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:49,799 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:49,890 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:49,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:37:49,918 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:37:49,928 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_array_list_ensure_capacity_harness.i[4504,4517] [2024-11-07 11:37:49,928 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_array_list_ensure_capacity_harness.i[4564,4577] [2024-11-07 11:37:49,970 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:49,970 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:49,971 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:49,971 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:49,971 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:49,977 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:49,977 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:49,978 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:49,979 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:49,979 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:49,980 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:49,980 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:49,980 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:50,044 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:50,044 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:50,049 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:50,056 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:50,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7775-7786] [2024-11-07 11:37:50,100 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:37:50,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:37:50,305 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:37:50,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:37:50 WrapperNode [2024-11-07 11:37:50,306 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:37:50,307 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:37:50,307 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:37:50,307 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:37:50,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:37:50" (1/1) ... [2024-11-07 11:37:50,368 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:37:50" (1/1) ... [2024-11-07 11:37:50,448 INFO L138 Inliner]: procedures = 680, calls = 1679, calls flagged for inlining = 52, calls inlined = 11, statements flattened = 812 [2024-11-07 11:37:50,449 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:37:50,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:37:50,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:37:50,453 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:37:50,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:37:50" (1/1) ... [2024-11-07 11:37:50,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:37:50" (1/1) ... [2024-11-07 11:37:50,476 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:37:50" (1/1) ... [2024-11-07 11:37:50,567 INFO L175 MemorySlicer]: Split 328 memory accesses to 7 slices as follows [238, 2, 9, 2, 6, 6, 65]. 73 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [6, 2, 5, 0, 0, 1, 10]. The 242 writes are split as follows [232, 0, 1, 1, 2, 1, 5]. [2024-11-07 11:37:50,568 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:37:50" (1/1) ... [2024-11-07 11:37:50,568 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:37:50" (1/1) ... [2024-11-07 11:37:50,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:37:50" (1/1) ... [2024-11-07 11:37:50,619 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:37:50" (1/1) ... [2024-11-07 11:37:50,628 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:37:50" (1/1) ... [2024-11-07 11:37:50,633 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:37:50" (1/1) ... [2024-11-07 11:37:50,642 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:37:50,646 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:37:50,646 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:37:50,649 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:37:50,650 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:37:50" (1/1) ... [2024-11-07 11:37:50,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:37:50,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:37:50,674 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 11:37:50,677 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 11:37:50,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:37:50,707 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-07 11:37:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-07 11:37:50,707 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-07 11:37:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-07 11:37:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:37:50,708 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:37:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-07 11:37:50,708 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-07 11:37:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:37:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:37:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:37:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:37:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 11:37:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 11:37:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 11:37:50,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:37:50,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:37:50,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:37:50,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:37:50,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 11:37:50,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 11:37:50,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 11:37:50,711 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-07 11:37:50,712 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-07 11:37:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:37:50,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:37:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:37:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:37:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 11:37:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 11:37:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 11:37:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 11:37:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 11:37:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 11:37:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 11:37:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-07 11:37:50,712 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-07 11:37:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:37:50,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:37:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:37:50,713 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:37:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-07 11:37:50,714 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-07 11:37:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-07 11:37:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-07 11:37:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 11:37:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 11:37:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 11:37:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 11:37:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 11:37:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 11:37:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-07 11:37:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-07 11:37:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-07 11:37:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-07 11:37:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-07 11:37:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:37:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:37:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-07 11:37:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-07 11:37:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-07 11:37:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-07 11:37:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:37:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-07 11:37:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-07 11:37:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 11:37:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 11:37:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 11:37:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 11:37:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 11:37:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 11:37:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 11:37:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:37:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:37:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:37:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:37:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 11:37:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 11:37:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-07 11:37:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 11:37:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 11:37:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-07 11:37:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-07 11:37:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-07 11:37:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-07 11:37:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_ensure_capacity [2024-11-07 11:37:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_ensure_capacity [2024-11-07 11:37:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:37:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:37:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:37:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:37:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 11:37:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 11:37:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 11:37:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-07 11:37:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-07 11:37:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:37:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:37:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:37:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:37:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 11:37:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 11:37:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 11:37:50,960 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:37:50,962 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:37:56,714 INFO L? ?]: Removed 158 outVars from TransFormulas that were not future-live. [2024-11-07 11:37:56,714 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:37:56,729 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:37:56,729 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 11:37:56,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:37:56 BoogieIcfgContainer [2024-11-07 11:37:56,730 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:37:56,734 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:37:56,735 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:37:56,739 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:37:56,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:37:48" (1/3) ... [2024-11-07 11:37:56,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d19fa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:37:56, skipping insertion in model container [2024-11-07 11:37:56,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:37:50" (2/3) ... [2024-11-07 11:37:56,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d19fa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:37:56, skipping insertion in model container [2024-11-07 11:37:56,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:37:56" (3/3) ... [2024-11-07 11:37:56,741 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_ensure_capacity_harness.i [2024-11-07 11:37:56,753 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:37:56,754 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:37:56,804 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:37:56,816 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;@1688809a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:37:56,816 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:37:56,821 INFO L276 IsEmpty]: Start isEmpty. Operand has 241 states, 145 states have (on average 1.206896551724138) internal successors, (175), 146 states have internal predecessors, (175), 73 states have call successors, (73), 21 states have call predecessors, (73), 21 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-07 11:37:56,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-07 11:37:56,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:37:56,831 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 11:37:56,832 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:37:56,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:37:56,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1440839759, now seen corresponding path program 1 times [2024-11-07 11:37:56,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:37:56,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008154809] [2024-11-07 11:37:56,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:37:56,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:38:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:02,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:38:02,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:02,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 11:38:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:02,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 11:38:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:02,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 11:38:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:02,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 11:38:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:02,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 11:38:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:02,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 11:38:02,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:02,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 11:38:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:02,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 11:38:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:02,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 11:38:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:02,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 11:38:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:02,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 11:38:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:03,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:38:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:03,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 11:38:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:03,042 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-07 11:38:03,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:38:03,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008154809] [2024-11-07 11:38:03,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008154809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:38:03,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:38:03,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 11:38:03,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627091116] [2024-11-07 11:38:03,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:38:03,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 11:38:03,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:38:03,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 11:38:03,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 11:38:03,072 INFO L87 Difference]: Start difference. First operand has 241 states, 145 states have (on average 1.206896551724138) internal successors, (175), 146 states have internal predecessors, (175), 73 states have call successors, (73), 21 states have call predecessors, (73), 21 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-07 11:38:07,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:38:11,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:38:16,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:38:28,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:38:28,789 INFO L93 Difference]: Finished difference Result 526 states and 768 transitions. [2024-11-07 11:38:28,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 11:38:28,792 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 87 [2024-11-07 11:38:28,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:38:28,802 INFO L225 Difference]: With dead ends: 526 [2024-11-07 11:38:28,803 INFO L226 Difference]: Without dead ends: 281 [2024-11-07 11:38:28,806 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-07 11:38:28,808 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 273 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 307 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.1s IncrementalHoareTripleChecker+Time [2024-11-07 11:38:28,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 321 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [307 Valid, 479 Invalid, 3 Unknown, 0 Unchecked, 23.1s Time] [2024-11-07 11:38:28,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-11-07 11:38:28,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 230. [2024-11-07 11:38:28,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 136 states have (on average 1.1838235294117647) internal successors, (161), 138 states have internal predecessors, (161), 73 states have call successors, (73), 21 states have call predecessors, (73), 20 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-07 11:38:28,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 304 transitions. [2024-11-07 11:38:28,886 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 304 transitions. Word has length 87 [2024-11-07 11:38:28,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:38:28,886 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 304 transitions. [2024-11-07 11:38:28,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-07 11:38:28,887 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 304 transitions. [2024-11-07 11:38:28,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-07 11:38:28,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:38:28,890 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 11:38:28,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 11:38:28,891 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:38:28,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:38:28,893 INFO L85 PathProgramCache]: Analyzing trace with hash 319336823, now seen corresponding path program 1 times [2024-11-07 11:38:28,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:38:28,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433066473] [2024-11-07 11:38:28,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:38:28,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:38:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:34,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:38:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:34,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 11:38:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:34,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 11:38:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:34,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 11:38:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:34,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 11:38:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:35,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 11:38:35,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:35,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 11:38:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:35,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 11:38:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:35,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 11:38:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:35,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 11:38:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:35,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 11:38:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:36,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 11:38:36,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:36,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:38:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:36,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 11:38:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:36,279 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-07 11:38:36,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:38:36,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433066473] [2024-11-07 11:38:36,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433066473] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 11:38:36,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883622769] [2024-11-07 11:38:36,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:38:36,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 11:38:36,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:38:36,282 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 11:38:36,283 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 11:38:41,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:41,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 4265 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 11:38:41,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 11:38:42,769 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 11:38:42,769 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 11:38:42,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883622769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:38:42,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 11:38:42,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-07 11:38:42,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194467388] [2024-11-07 11:38:42,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:38:42,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 11:38:42,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:38:42,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 11:38:42,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-07 11:38:42,775 INFO L87 Difference]: Start difference. First operand 230 states and 304 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-07 11:38:46,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:38:46,825 INFO L93 Difference]: Finished difference Result 436 states and 585 transitions. [2024-11-07 11:38:46,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 11:38:46,825 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 87 [2024-11-07 11:38:46,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:38:46,828 INFO L225 Difference]: With dead ends: 436 [2024-11-07 11:38:46,828 INFO L226 Difference]: Without dead ends: 232 [2024-11-07 11:38:46,831 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-07 11:38:46,832 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 314 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 990 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-07 11:38:46,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 990 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-07 11:38:46,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-07 11:38:46,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2024-11-07 11:38:46,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 137 states have (on average 1.1824817518248176) internal successors, (162), 140 states have internal predecessors, (162), 73 states have call successors, (73), 21 states have call predecessors, (73), 21 states have return successors, (80), 70 states have call predecessors, (80), 70 states have call successors, (80) [2024-11-07 11:38:46,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 315 transitions. [2024-11-07 11:38:46,870 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 315 transitions. Word has length 87 [2024-11-07 11:38:46,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:38:46,871 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 315 transitions. [2024-11-07 11:38:46,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-07 11:38:46,872 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 315 transitions. [2024-11-07 11:38:46,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-07 11:38:46,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:38:46,877 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 11:38:46,902 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 11:38:47,078 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 11:38:47,079 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:38:47,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:38:47,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1862510502, now seen corresponding path program 1 times [2024-11-07 11:38:47,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:38:47,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576518708] [2024-11-07 11:38:47,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:38:47,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:38:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:52,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:38:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:52,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 11:38:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:52,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 11:38:52,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:52,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 11:38:52,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:52,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 11:38:52,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:52,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 11:38:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:53,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:38:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:53,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:38:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:53,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 11:38:53,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:53,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 11:38:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:53,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 11:38:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:53,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 11:38:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:53,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-07 11:38:53,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:54,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 11:38:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:54,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:38:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:54,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 11:38:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:38:54,038 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-07 11:38:54,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:38:54,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576518708] [2024-11-07 11:38:54,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576518708] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 11:38:54,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168056038] [2024-11-07 11:38:54,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:38:54,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 11:38:54,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:38:54,048 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 11:38:54,049 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 11:39:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:01,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 4387 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 11:39:01,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 11:39:01,424 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-07 11:39:01,424 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 11:39:01,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168056038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:39:01,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 11:39:01,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 8 [2024-11-07 11:39:01,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994143677] [2024-11-07 11:39:01,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:39:01,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 11:39:01,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:39:01,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 11:39:01,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 11:39:01,426 INFO L87 Difference]: Start difference. First operand 232 states and 315 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-07 11:39:01,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:39:01,683 INFO L93 Difference]: Finished difference Result 440 states and 610 transitions. [2024-11-07 11:39:01,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 11:39:01,684 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 102 [2024-11-07 11:39:01,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:39:01,689 INFO L225 Difference]: With dead ends: 440 [2024-11-07 11:39:01,689 INFO L226 Difference]: Without dead ends: 234 [2024-11-07 11:39:01,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 11:39:01,695 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 0 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 899 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 11:39:01,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 899 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 11:39:01,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-07 11:39:01,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2024-11-07 11:39:01,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 139 states have (on average 1.1798561151079137) internal successors, (164), 142 states have internal predecessors, (164), 73 states have call successors, (73), 21 states have call predecessors, (73), 21 states have return successors, (80), 70 states have call predecessors, (80), 70 states have call successors, (80) [2024-11-07 11:39:01,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 317 transitions. [2024-11-07 11:39:01,737 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 317 transitions. Word has length 102 [2024-11-07 11:39:01,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:39:01,737 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 317 transitions. [2024-11-07 11:39:01,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-07 11:39:01,738 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 317 transitions. [2024-11-07 11:39:01,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-07 11:39:01,741 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:39:01,741 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 11:39:01,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-07 11:39:01,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 11:39:01,942 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:39:01,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:39:01,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1301810724, now seen corresponding path program 1 times [2024-11-07 11:39:01,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:39:01,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161131880] [2024-11-07 11:39:01,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:39:01,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:39:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:07,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:39:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:07,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 11:39:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:08,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 11:39:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:08,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 11:39:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:08,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 11:39:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:08,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 11:39:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:09,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:39:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:09,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:39:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:09,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 11:39:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:09,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 11:39:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:09,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 11:39:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:09,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 11:39:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:09,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-07 11:39:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:10,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 11:39:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:10,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:39:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:10,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 11:39:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:10,444 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-07 11:39:10,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:39:10,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161131880] [2024-11-07 11:39:10,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161131880] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 11:39:10,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075730728] [2024-11-07 11:39:10,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:39:10,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 11:39:10,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:39:10,456 INFO L229 MonitoredProcess]: Starting monitored process 4 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 11:39:10,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 11:39:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:15,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 4392 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 11:39:15,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 11:39:18,458 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-07 11:39:18,458 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 11:39:18,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075730728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:39:18,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 11:39:18,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2024-11-07 11:39:18,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863046324] [2024-11-07 11:39:18,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:39:18,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 11:39:18,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:39:18,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 11:39:18,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2024-11-07 11:39:18,463 INFO L87 Difference]: Start difference. First operand 234 states and 317 transitions. Second operand has 8 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16)