./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_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_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', 'd58b6cbe3dbcae2c6bf4b35286cc82fa39ed49d435b7e41930b97647d699f843'] 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_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 d58b6cbe3dbcae2c6bf4b35286cc82fa39ed49d435b7e41930b97647d699f843 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:36:18,058 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:36:18,170 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:36:18,176 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:36:18,177 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:36:18,199 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:36:18,200 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:36:18,200 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:36:18,201 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:36:18,201 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:36:18,201 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:36:18,202 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:36:18,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:36:18,203 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:36:18,203 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:36:18,203 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:36:18,203 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:36:18,203 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:36:18,203 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:36:18,203 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:36:18,203 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:36:18,204 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:36:18,204 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:36:18,204 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:36:18,204 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:36:18,204 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:36:18,205 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:36:18,205 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:36:18,205 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:36:18,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:36:18,205 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:36:18,205 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:36:18,205 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:36:18,206 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:36:18,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:36:18,206 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:36:18,206 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:36:18,206 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:36:18,206 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:36:18,207 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 -> d58b6cbe3dbcae2c6bf4b35286cc82fa39ed49d435b7e41930b97647d699f843 [2024-11-07 11:36:18,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:36:18,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:36:18,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:36:18,483 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:36:18,483 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:36:18,484 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i [2024-11-07 11:36:19,721 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:36:20,306 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:36:20,309 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i [2024-11-07 11:36:20,342 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3a8ddc93e/44d699ccae5b483cafd3bf61197907ff/FLAG546c91661 [2024-11-07 11:36:20,364 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3a8ddc93e/44d699ccae5b483cafd3bf61197907ff [2024-11-07 11:36:20,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:36:20,368 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:36:20,371 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:36:20,371 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:36:20,375 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:36:20,376 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:36:20" (1/1) ... [2024-11-07 11:36:20,377 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d5579f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:36:20, skipping insertion in model container [2024-11-07 11:36:20,378 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:36:20" (1/1) ... [2024-11-07 11:36:20,451 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:36:20,693 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_capacity_harness.i[4497,4510] [2024-11-07 11:36:20,700 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_capacity_harness.i[4557,4570] [2024-11-07 11:36:21,258 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:21,259 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:21,259 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:21,260 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:21,261 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:21,277 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:21,280 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:21,282 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:21,282 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:21,284 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:21,284 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:21,285 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:21,285 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:21,601 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:21,609 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:21,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:36:21,677 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:36:21,691 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_capacity_harness.i[4497,4510] [2024-11-07 11:36:21,692 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_capacity_harness.i[4557,4570] [2024-11-07 11:36:21,750 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:21,752 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:21,753 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:21,753 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:21,754 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:21,762 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:21,762 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:21,763 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:21,763 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:21,764 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:21,764 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:21,764 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:21,764 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:21,883 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:21,890 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:21,896 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7747-7758] [2024-11-07 11:36:21,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:36:22,099 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:36:22,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:36:22 WrapperNode [2024-11-07 11:36:22,101 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:36:22,102 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:36:22,102 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:36:22,102 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:36:22,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:36:22" (1/1) ... [2024-11-07 11:36:22,179 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:36:22" (1/1) ... [2024-11-07 11:36:22,276 INFO L138 Inliner]: procedures = 679, calls = 1682, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 617 [2024-11-07 11:36:22,278 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:36:22,280 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:36:22,280 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:36:22,280 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:36:22,292 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:36:22" (1/1) ... [2024-11-07 11:36:22,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:36:22" (1/1) ... [2024-11-07 11:36:22,312 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:36:22" (1/1) ... [2024-11-07 11:36:22,405 INFO L175 MemorySlicer]: Split 306 memory accesses to 6 slices as follows [2, 50, 238, 6, 3, 7]. 78 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [2, 10, 6, 0, 1, 5]. The 238 writes are split as follows [0, 3, 232, 2, 1, 0]. [2024-11-07 11:36:22,406 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:36:22" (1/1) ... [2024-11-07 11:36:22,406 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:36:22" (1/1) ... [2024-11-07 11:36:22,441 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:36:22" (1/1) ... [2024-11-07 11:36:22,444 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:36:22" (1/1) ... [2024-11-07 11:36:22,449 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:36:22" (1/1) ... [2024-11-07 11:36:22,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:36:22" (1/1) ... [2024-11-07 11:36:22,460 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:36:22,464 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:36:22,464 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:36:22,464 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:36:22,465 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:36:22" (1/1) ... [2024-11-07 11:36:22,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:36:22,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:36:22,508 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 11:36:22,514 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 11:36:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:36:22,539 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-07 11:36:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-07 11:36:22,539 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-07 11:36:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-07 11:36:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:36:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:36:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:36:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:36:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:36:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:36:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 11:36:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 11:36:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:36:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:36:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:36:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:36:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 11:36:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 11:36:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-07 11:36:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-07 11:36:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:36:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:36:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:36:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:36:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 11:36:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 11:36:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 11:36:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 11:36:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 11:36:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 11:36:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:36:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:36:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:36:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:36:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-07 11:36:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-07 11:36:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-07 11:36:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-07 11:36:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 11:36:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 11:36:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 11:36:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 11:36:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 11:36:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 11:36:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:36:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:36:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:36:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 11:36:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 11:36:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 11:36:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 11:36:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 11:36:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 11:36:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:36:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:36:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:36:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:36:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 11:36:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 11:36:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 11:36:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 11:36:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-07 11:36:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-07 11:36:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:36:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:36:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:36:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:36:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 11:36:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 11:36:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-07 11:36:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-07 11:36:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:36:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:36:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:36:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:36:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 11:36:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 11:36:22,842 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:36:22,845 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:36:28,723 INFO L? ?]: Removed 107 outVars from TransFormulas that were not future-live. [2024-11-07 11:36:28,723 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:36:28,740 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:36:28,741 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 11:36:28,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:36:28 BoogieIcfgContainer [2024-11-07 11:36:28,741 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:36:28,744 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:36:28,744 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:36:28,748 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:36:28,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:36:20" (1/3) ... [2024-11-07 11:36:28,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79859868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:36:28, skipping insertion in model container [2024-11-07 11:36:28,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:36:22" (2/3) ... [2024-11-07 11:36:28,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79859868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:36:28, skipping insertion in model container [2024-11-07 11:36:28,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:36:28" (3/3) ... [2024-11-07 11:36:28,750 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_capacity_harness.i [2024-11-07 11:36:28,763 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:36:28,763 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:36:28,818 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:36:28,831 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;@1b54dc9e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:36:28,832 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:36:28,836 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 77 states have (on average 1.1948051948051948) internal successors, (92), 78 states have internal predecessors, (92), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-07 11:36:28,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-07 11:36:28,847 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:36:28,847 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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 11:36:28,848 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:36:28,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:36:28,853 INFO L85 PathProgramCache]: Analyzing trace with hash 910857471, now seen corresponding path program 1 times [2024-11-07 11:36:28,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:36:28,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509500538] [2024-11-07 11:36:28,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:36:28,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:36:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:36:34,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:36:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:36:34,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 11:36:34,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:36:35,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 11:36:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:36:35,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 11:36:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:36:35,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 11:36:35,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:36:35,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 11:36:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:36:35,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 11:36:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:36:35,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 11:36:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:36:35,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 11:36:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:36:35,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 11:36:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:36:35,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 11:36:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:36:35,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 11:36:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:36:35,612 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-07 11:36:35,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:36:35,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509500538] [2024-11-07 11:36:35,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509500538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:36:35,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:36:35,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 11:36:35,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092955373] [2024-11-07 11:36:35,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:36:35,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 11:36:35,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:36:35,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 11:36:35,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 11:36:35,642 INFO L87 Difference]: Start difference. First operand has 122 states, 77 states have (on average 1.1948051948051948) internal successors, (92), 78 states have internal predecessors, (92), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-07 11:36:39,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:36:44,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:36:48,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:36:48,144 INFO L93 Difference]: Finished difference Result 241 states and 327 transitions. [2024-11-07 11:36:48,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 11:36:48,146 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 74 [2024-11-07 11:36:48,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:36:48,152 INFO L225 Difference]: With dead ends: 241 [2024-11-07 11:36:48,152 INFO L226 Difference]: Without dead ends: 121 [2024-11-07 11:36:48,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 11:36:48,157 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 75 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 73 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2024-11-07 11:36:48,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 148 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 161 Invalid, 2 Unknown, 0 Unchecked, 11.9s Time] [2024-11-07 11:36:48,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-07 11:36:48,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 117. [2024-11-07 11:36:48,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 73 states have (on average 1.178082191780822) internal successors, (86), 74 states have internal predecessors, (86), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-07 11:36:48,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 147 transitions. [2024-11-07 11:36:48,219 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 147 transitions. Word has length 74 [2024-11-07 11:36:48,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:36:48,220 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 147 transitions. [2024-11-07 11:36:48,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-07 11:36:48,221 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 147 transitions. [2024-11-07 11:36:48,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-07 11:36:48,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:36:48,225 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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 11:36:48,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 11:36:48,225 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:36:48,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:36:48,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1255854409, now seen corresponding path program 1 times [2024-11-07 11:36:48,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:36:48,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167554702] [2024-11-07 11:36:48,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:36:48,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:36:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:36:53,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:36:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:36:53,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 11:36:53,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:36:54,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 11:36:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:36:54,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 11:36:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:36:54,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 11:36:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:36:54,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 11:36:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:36:55,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 11:36:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:36:55,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 11:36:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:36:55,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 11:36:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:36:55,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 11:36:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:36:55,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 11:36:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:36:55,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 11:36:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:36:55,199 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-07 11:36:55,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:36:55,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167554702] [2024-11-07 11:36:55,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167554702] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 11:36:55,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044816019] [2024-11-07 11:36:55,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:36:55,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 11:36:55,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:36:55,203 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 11:36:55,204 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 11:37:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:00,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 4068 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 11:37:00,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 11:37:01,552 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-07 11:37:01,552 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 11:37:01,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044816019] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:37:01,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 11:37:01,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2024-11-07 11:37:01,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444473939] [2024-11-07 11:37:01,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:37:01,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 11:37:01,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:37:01,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 11:37:01,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-07 11:37:01,556 INFO L87 Difference]: Start difference. First operand 117 states and 147 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-07 11:37:03,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:37:03,916 INFO L93 Difference]: Finished difference Result 199 states and 254 transitions. [2024-11-07 11:37:03,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 11:37:03,917 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 74 [2024-11-07 11:37:03,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:37:03,919 INFO L225 Difference]: With dead ends: 199 [2024-11-07 11:37:03,919 INFO L226 Difference]: Without dead ends: 119 [2024-11-07 11:37:03,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-07 11:37:03,921 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 158 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-07 11:37:03,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 414 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-07 11:37:03,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-07 11:37:03,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-07 11:37:03,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 74 states have (on average 1.1756756756756757) internal successors, (87), 76 states have internal predecessors, (87), 31 states have call successors, (31), 12 states have call predecessors, (31), 13 states have return successors, (32), 30 states have call predecessors, (32), 30 states have call successors, (32) [2024-11-07 11:37:03,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 150 transitions. [2024-11-07 11:37:03,935 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 150 transitions. Word has length 74 [2024-11-07 11:37:03,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:37:03,936 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 150 transitions. [2024-11-07 11:37:03,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-07 11:37:03,936 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 150 transitions. [2024-11-07 11:37:03,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-07 11:37:03,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:37:03,938 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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 11:37:03,962 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 11:37:04,142 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 11:37:04,143 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:37:04,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:37:04,144 INFO L85 PathProgramCache]: Analyzing trace with hash 621387583, now seen corresponding path program 1 times [2024-11-07 11:37:04,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:37:04,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092785808] [2024-11-07 11:37:04,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:37:04,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:37:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:09,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:37:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:09,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 11:37:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:09,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 11:37:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:10,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 11:37:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:10,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 11:37:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:10,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 11:37:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:10,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:37:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:10,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:37:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:10,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 11:37:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:10,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 11:37:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:10,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-07 11:37:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:10,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 11:37:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:11,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-07 11:37:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:11,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 11:37:11,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:11,296 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-07 11:37:11,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:37:11,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092785808] [2024-11-07 11:37:11,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092785808] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 11:37:11,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106095489] [2024-11-07 11:37:11,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:37:11,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 11:37:11,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:37:11,299 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 11:37:11,301 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 11:37:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:16,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 4195 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 11:37:16,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 11:37:17,969 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-07 11:37:17,969 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 11:37:17,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1106095489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:37:17,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 11:37:17,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-11-07 11:37:17,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034908838] [2024-11-07 11:37:17,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:37:17,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 11:37:17,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:37:17,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 11:37:17,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-07 11:37:17,971 INFO L87 Difference]: Start difference. First operand 119 states and 150 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-07 11:37:21,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:37:21,031 INFO L93 Difference]: Finished difference Result 189 states and 236 transitions. [2024-11-07 11:37:21,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 11:37:21,031 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 89 [2024-11-07 11:37:21,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:37:21,033 INFO L225 Difference]: With dead ends: 189 [2024-11-07 11:37:21,033 INFO L226 Difference]: Without dead ends: 117 [2024-11-07 11:37:21,034 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-11-07 11:37:21,035 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 157 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-07 11:37:21,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 519 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-07 11:37:21,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-07 11:37:21,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-07 11:37:21,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 73 states have (on average 1.1643835616438356) internal successors, (85), 74 states have internal predecessors, (85), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-07 11:37:21,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 146 transitions. [2024-11-07 11:37:21,050 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 146 transitions. Word has length 89 [2024-11-07 11:37:21,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:37:21,050 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 146 transitions. [2024-11-07 11:37:21,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-07 11:37:21,051 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 146 transitions. [2024-11-07 11:37:21,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-07 11:37:21,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:37:21,053 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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 11:37:21,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 11:37:21,253 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 11:37:21,253 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:37:21,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:37:21,254 INFO L85 PathProgramCache]: Analyzing trace with hash -994577873, now seen corresponding path program 1 times [2024-11-07 11:37:21,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:37:21,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624243284] [2024-11-07 11:37:21,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:37:21,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:37:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 11:37:29,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2101868708] [2024-11-07 11:37:29,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:37:29,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 11:37:29,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:37:29,208 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 11:37:29,210 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