./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_length_harness_negated.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_length_harness_negated.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', 'c30c0965987318f01d5184a150d60c3184a0b961eb98f92329641a56cc773300'] 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_length_harness_negated.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 c30c0965987318f01d5184a150d60c3184a0b961eb98f92329641a56cc773300 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:39:23,425 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:39:23,490 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:39:23,494 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:39:23,494 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:39:23,518 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:39:23,519 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:39:23,520 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:39:23,520 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:39:23,520 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:39:23,520 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:39:23,520 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:39:23,521 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:39:23,521 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:39:23,521 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:39:23,521 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:39:23,521 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:39:23,521 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:39:23,521 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:39:23,521 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:39:23,522 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:39:23,522 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:39:23,522 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:39:23,522 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:39:23,522 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:39:23,522 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:39:23,522 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:39:23,522 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:39:23,522 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:39:23,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:39:23,522 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:39:23,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:39:23,523 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:39:23,523 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:39:23,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:39:23,523 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:39:23,523 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:39:23,523 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:39:23,523 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:39:23,523 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 -> c30c0965987318f01d5184a150d60c3184a0b961eb98f92329641a56cc773300 [2024-11-07 11:39:23,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:39:23,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:39:23,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:39:23,752 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:39:23,753 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:39:23,753 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_length_harness_negated.i [2024-11-07 11:39:24,903 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:39:25,380 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:39:25,381 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness_negated.i [2024-11-07 11:39:25,417 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/df09dc3cc/51534ec31ed74ce892b50c36e2b4032f/FLAG2a9cd07e1 [2024-11-07 11:39:25,492 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/df09dc3cc/51534ec31ed74ce892b50c36e2b4032f [2024-11-07 11:39:25,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:39:25,495 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:39:25,496 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:39:25,496 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:39:25,499 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:39:25,500 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:39:25" (1/1) ... [2024-11-07 11:39:25,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c2a0e4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:39:25, skipping insertion in model container [2024-11-07 11:39:25,501 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:39:25" (1/1) ... [2024-11-07 11:39:25,573 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:39:25,767 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_length_harness_negated.i[4495,4508] [2024-11-07 11:39:25,777 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_length_harness_negated.i[4555,4568] [2024-11-07 11:39:26,482 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:39:26,483 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:39:26,483 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:39:26,484 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:39:26,484 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:39:26,493 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:39:26,494 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:39:26,495 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:39:26,495 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:39:26,497 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:39:26,497 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:39:26,498 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:39:26,498 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:39:26,835 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:39:26,839 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:39:26,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:39:26,896 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:39:26,905 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_length_harness_negated.i[4495,4508] [2024-11-07 11:39:26,905 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_length_harness_negated.i[4555,4568] [2024-11-07 11:39:26,960 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:39:26,961 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:39:26,961 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:39:26,962 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:39:26,962 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:39:26,967 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:39:26,969 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:39:26,970 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:39:26,971 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:39:26,972 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:39:26,972 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:39:26,972 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:39:26,972 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:39:27,037 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:39:27,040 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:39:27,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7715-7726] [2024-11-07 11:39:27,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:39:27,214 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:39:27,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:39:27 WrapperNode [2024-11-07 11:39:27,215 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:39:27,216 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:39:27,216 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:39:27,216 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:39:27,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:39:27" (1/1) ... [2024-11-07 11:39:27,262 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:39:27" (1/1) ... [2024-11-07 11:39:27,309 INFO L138 Inliner]: procedures = 679, calls = 1677, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 592 [2024-11-07 11:39:27,310 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:39:27,311 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:39:27,311 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:39:27,311 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:39:27,339 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:39:27" (1/1) ... [2024-11-07 11:39:27,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:39:27" (1/1) ... [2024-11-07 11:39:27,347 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:39:27" (1/1) ... [2024-11-07 11:39:27,464 INFO L175 MemorySlicer]: Split 303 memory accesses to 6 slices as follows [2, 238, 6, 7, 47, 3]. 79 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [2, 6, 0, 5, 10, 1]. The 238 writes are split as follows [0, 232, 2, 0, 3, 1]. [2024-11-07 11:39:27,465 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:39:27" (1/1) ... [2024-11-07 11:39:27,465 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:39:27" (1/1) ... [2024-11-07 11:39:27,500 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:39:27" (1/1) ... [2024-11-07 11:39:27,506 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:39:27" (1/1) ... [2024-11-07 11:39:27,515 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:39:27" (1/1) ... [2024-11-07 11:39:27,521 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:39:27" (1/1) ... [2024-11-07 11:39:27,534 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:39:27,535 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:39:27,535 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:39:27,535 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:39:27,536 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:39:27" (1/1) ... [2024-11-07 11:39:27,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:39:27,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:39:27,574 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 11:39:27,580 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 11:39:27,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:39:27,600 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-07 11:39:27,601 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-07 11:39:27,601 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-07 11:39:27,601 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-07 11:39:27,601 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:39:27,601 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:39:27,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:39:27,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:39:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:39:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:39:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 11:39:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 11:39:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:39:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:39:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:39:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:39:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 11:39:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 11:39:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-07 11:39:27,602 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-07 11:39:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:39:27,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:39:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:39:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:39:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 11:39:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 11:39:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 11:39:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 11:39:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 11:39:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 11:39:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:39:27,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:39:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:39:27,602 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:39:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-07 11:39:27,603 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-07 11:39:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-07 11:39:27,603 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-07 11:39:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 11:39:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 11:39:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 11:39:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 11:39:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 11:39:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 11:39:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-07 11:39:27,603 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-07 11:39:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:39:27,603 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:39:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:39:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 11:39:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 11:39:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 11:39:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 11:39:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 11:39:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 11:39:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:39:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:39:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:39:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:39:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 11:39:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 11:39:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 11:39:27,605 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 11:39:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-07 11:39:27,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-07 11:39:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:39:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:39:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:39:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:39:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 11:39:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 11:39:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-07 11:39:27,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-07 11:39:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:39:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:39:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:39:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:39:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 11:39:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 11:39:27,832 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:39:27,835 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:39:33,648 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-11-07 11:39:33,650 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:39:33,661 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:39:33,662 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 11:39:33,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:39:33 BoogieIcfgContainer [2024-11-07 11:39:33,663 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:39:33,665 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:39:33,665 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:39:33,669 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:39:33,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:39:25" (1/3) ... [2024-11-07 11:39:33,670 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65bc8346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:39:33, skipping insertion in model container [2024-11-07 11:39:33,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:39:27" (2/3) ... [2024-11-07 11:39:33,671 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65bc8346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:39:33, skipping insertion in model container [2024-11-07 11:39:33,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:39:33" (3/3) ... [2024-11-07 11:39:33,672 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_length_harness_negated.i [2024-11-07 11:39:33,684 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:39:33,685 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:39:33,739 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:39:33,749 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;@119eae27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:39:33,750 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:39:33,756 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 78 states have (on average 1.205128205128205) internal successors, (94), 79 states have internal predecessors, (94), 30 states have call successors, (30), 13 states have call predecessors, (30), 13 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-07 11:39:33,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-07 11:39:33,764 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:39:33,765 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 11:39:33,766 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:39:33,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:39:33,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1876716262, now seen corresponding path program 1 times [2024-11-07 11:39:33,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:39:33,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92454557] [2024-11-07 11:39:33,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:39:33,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:39:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:39,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:39:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:40,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 11:39:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:40,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 11:39:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:40,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 11:39:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:40,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 11:39:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:40,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 11:39:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:40,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 11:39:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:40,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 11:39:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:40,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 11:39:40,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:40,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 11:39:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:40,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 11:39:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:40,657 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-07 11:39:40,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:39:40,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92454557] [2024-11-07 11:39:40,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92454557] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:39:40,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:39:40,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 11:39:40,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916087053] [2024-11-07 11:39:40,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:39:40,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 11:39:40,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:39:40,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 11:39:40,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 11:39:40,687 INFO L87 Difference]: Start difference. First operand has 123 states, 78 states have (on average 1.205128205128205) internal successors, (94), 79 states have internal predecessors, (94), 30 states have call successors, (30), 13 states have call predecessors, (30), 13 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-07 11:39:44,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:39:49,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:39:53,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:39:53,057 INFO L93 Difference]: Finished difference Result 250 states and 339 transitions. [2024-11-07 11:39:53,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 11:39:53,059 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 71 [2024-11-07 11:39:53,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:39:53,067 INFO L225 Difference]: With dead ends: 250 [2024-11-07 11:39:53,068 INFO L226 Difference]: Without dead ends: 125 [2024-11-07 11:39:53,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 11:39:53,076 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 89 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 87 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2024-11-07 11:39:53,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 128 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 175 Invalid, 2 Unknown, 0 Unchecked, 11.8s Time] [2024-11-07 11:39:53,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-07 11:39:53,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 114. [2024-11-07 11:39:53,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 71 states have (on average 1.1549295774647887) internal successors, (82), 72 states have internal predecessors, (82), 30 states have call successors, (30), 13 states have call predecessors, (30), 12 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-07 11:39:53,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 140 transitions. [2024-11-07 11:39:53,125 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 140 transitions. Word has length 71 [2024-11-07 11:39:53,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:39:53,125 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 140 transitions. [2024-11-07 11:39:53,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-07 11:39:53,126 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 140 transitions. [2024-11-07 11:39:53,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-07 11:39:53,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:39:53,130 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 11:39:53,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 11:39:53,131 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:39:53,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:39:53,132 INFO L85 PathProgramCache]: Analyzing trace with hash 879930080, now seen corresponding path program 1 times [2024-11-07 11:39:53,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:39:53,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276286363] [2024-11-07 11:39:53,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:39:53,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:39:57,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:58,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:39:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:58,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 11:39:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:58,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 11:39:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:58,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 11:39:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:58,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 11:39:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:59,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 11:39:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:59,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 11:39:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:59,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 11:39:59,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:59,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 11:39:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:59,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 11:39:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:59,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 11:39:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:39:59,699 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-07 11:39:59,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:39:59,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276286363] [2024-11-07 11:39:59,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276286363] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 11:39:59,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455414013] [2024-11-07 11:39:59,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:39:59,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 11:39:59,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:39:59,708 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 11:39:59,713 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 11:40:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:40:04,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 4076 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 11:40:04,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 11:40:05,665 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-07 11:40:05,665 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 11:40:05,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [455414013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:40:05,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 11:40:05,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2024-11-07 11:40:05,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918482792] [2024-11-07 11:40:05,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:40:05,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 11:40:05,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:40:05,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 11:40:05,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-07 11:40:05,668 INFO L87 Difference]: Start difference. First operand 114 states and 140 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-07 11:40:07,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:40:07,553 INFO L93 Difference]: Finished difference Result 193 states and 240 transitions. [2024-11-07 11:40:07,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 11:40:07,554 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 71 [2024-11-07 11:40:07,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:40:07,556 INFO L225 Difference]: With dead ends: 193 [2024-11-07 11:40:07,558 INFO L226 Difference]: Without dead ends: 116 [2024-11-07 11:40:07,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-07 11:40:07,560 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 149 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-07 11:40:07,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 419 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-07 11:40:07,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-07 11:40:07,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-07 11:40:07,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 72 states have (on average 1.1527777777777777) internal successors, (83), 74 states have internal predecessors, (83), 30 states have call successors, (30), 13 states have call predecessors, (30), 13 states have return successors, (30), 28 states have call predecessors, (30), 28 states have call successors, (30) [2024-11-07 11:40:07,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 143 transitions. [2024-11-07 11:40:07,575 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 143 transitions. Word has length 71 [2024-11-07 11:40:07,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:40:07,575 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 143 transitions. [2024-11-07 11:40:07,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-07 11:40:07,576 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 143 transitions. [2024-11-07 11:40:07,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-07 11:40:07,578 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:40:07,578 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 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] [2024-11-07 11:40:07,600 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 11:40:07,779 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 11:40:07,780 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:40:07,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:40:07,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1619368212, now seen corresponding path program 1 times [2024-11-07 11:40:07,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:40:07,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449817194] [2024-11-07 11:40:07,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:40:07,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:40:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:40:13,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:40:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:40:13,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 11:40:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:40:13,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 11:40:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:40:13,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 11:40:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:40:13,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 11:40:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:40:14,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 11:40:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:40:16,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:40:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:40:16,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:40:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:40:16,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 11:40:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:40:16,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 11:40:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:40:16,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 11:40:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:40:16,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 11:40:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:40:16,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 11:40:16,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:40:16,786 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-07 11:40:16,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:40:16,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449817194] [2024-11-07 11:40:16,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449817194] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 11:40:16,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936855484] [2024-11-07 11:40:16,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:40:16,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 11:40:16,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:40:16,789 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 11:40:16,792 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 11:40:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:40:21,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 4203 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 11:40:21,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 11:40:24,571 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-07 11:40:24,571 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 11:40:24,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936855484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:40:24,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 11:40:24,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 20 [2024-11-07 11:40:24,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830293103] [2024-11-07 11:40:24,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:40:24,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 11:40:24,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:40:24,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 11:40:24,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2024-11-07 11:40:24,572 INFO L87 Difference]: Start difference. First operand 116 states and 143 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-07 11:40:28,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:40:28,119 INFO L93 Difference]: Finished difference Result 182 states and 221 transitions. [2024-11-07 11:40:28,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 11:40:28,121 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 86 [2024-11-07 11:40:28,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:40:28,123 INFO L225 Difference]: With dead ends: 182 [2024-11-07 11:40:28,123 INFO L226 Difference]: Without dead ends: 114 [2024-11-07 11:40:28,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2024-11-07 11:40:28,124 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 151 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-07 11:40:28,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 598 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-07 11:40:28,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-07 11:40:28,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-07 11:40:28,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 71 states have (on average 1.1408450704225352) internal successors, (81), 72 states have internal predecessors, (81), 30 states have call successors, (30), 13 states have call predecessors, (30), 12 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-07 11:40:28,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 139 transitions. [2024-11-07 11:40:28,132 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 139 transitions. Word has length 86 [2024-11-07 11:40:28,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:40:28,133 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 139 transitions. [2024-11-07 11:40:28,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-07 11:40:28,133 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 139 transitions. [2024-11-07 11:40:28,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-07 11:40:28,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:40:28,134 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 11:40:28,158 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 11:40:28,338 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 11:40:28,339 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:40:28,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:40:28,339 INFO L85 PathProgramCache]: Analyzing trace with hash 626282708, now seen corresponding path program 1 times [2024-11-07 11:40:28,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:40:28,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009704801] [2024-11-07 11:40:28,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:40:28,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:40:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 11:40:33,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [70567429] [2024-11-07 11:40:33,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:40:33,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 11:40:33,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:40:33,594 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 11:40:33,595 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