./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc 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_init_dynamic_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 32caf91a957359107cc7ee97dff15a48767c1a44f043f2c3cd059b67296b8bad --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 04:51:00,190 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 04:51:00,249 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 04:51:00,255 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 04:51:00,255 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 04:51:00,279 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 04:51:00,280 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 04:51:00,280 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 04:51:00,280 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 04:51:00,281 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 04:51:00,281 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 04:51:00,282 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 04:51:00,282 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 04:51:00,282 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 04:51:00,282 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 04:51:00,282 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 04:51:00,283 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 04:51:00,284 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 04:51:00,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 04:51:00,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 04:51:00,284 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 04:51:00,284 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 04:51:00,284 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 04:51:00,284 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 04:51:00,284 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 04:51:00,284 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 04:51:00,284 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 04:51:00,284 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 04:51:00,284 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 04:51:00,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:51:00,285 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 04:51:00,285 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 04:51:00,285 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 04:51:00,285 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 04:51:00,285 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 04:51:00,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 04:51:00,285 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 04:51:00,285 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 04:51:00,285 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 04:51:00,285 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 04:51:00,285 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 -> 32caf91a957359107cc7ee97dff15a48767c1a44f043f2c3cd059b67296b8bad [2025-02-06 04:51:00,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 04:51:00,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 04:51:00,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 04:51:00,529 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 04:51:00,529 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 04:51:00,531 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i [2025-02-06 04:51:01,768 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9ddff7b2d/36dd20236e08462898c4a6814a06dec0/FLAG534a9f568 [2025-02-06 04:51:02,168 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 04:51:02,170 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i [2025-02-06 04:51:02,204 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9ddff7b2d/36dd20236e08462898c4a6814a06dec0/FLAG534a9f568 [2025-02-06 04:51:02,221 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9ddff7b2d/36dd20236e08462898c4a6814a06dec0 [2025-02-06 04:51:02,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 04:51:02,224 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 04:51:02,226 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 04:51:02,226 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 04:51:02,229 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 04:51:02,230 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:51:02" (1/1) ... [2025-02-06 04:51:02,232 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d6ffa3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:51:02, skipping insertion in model container [2025-02-06 04:51:02,232 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:51:02" (1/1) ... [2025-02-06 04:51:02,298 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 04:51:02,493 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_init_dynamic_harness.i[4501,4514] [2025-02-06 04:51:02,501 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_init_dynamic_harness.i[4561,4574] [2025-02-06 04:51:02,997 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:51:02,998 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:51:02,998 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:51:02,999 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:51:02,999 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:51:03,007 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:51:03,007 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:51:03,008 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:51:03,009 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:51:03,010 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:51:03,010 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:51:03,011 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:51:03,011 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:51:03,270 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:51:03,275 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:51:03,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:51:03,367 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 04:51:03,383 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_init_dynamic_harness.i[4501,4514] [2025-02-06 04:51:03,383 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_init_dynamic_harness.i[4561,4574] [2025-02-06 04:51:03,450 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:51:03,450 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:51:03,451 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:51:03,451 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:51:03,455 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:51:03,461 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:51:03,464 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:51:03,465 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:51:03,466 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:51:03,467 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:51:03,468 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:51:03,468 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:51:03,468 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:51:03,510 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:51:03,515 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:51:03,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7529-7540] [2025-02-06 04:51:03,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:51:03,693 INFO L204 MainTranslator]: Completed translation [2025-02-06 04:51:03,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:51:03 WrapperNode [2025-02-06 04:51:03,694 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 04:51:03,694 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 04:51:03,694 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 04:51:03,694 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 04:51:03,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:51:03" (1/1) ... [2025-02-06 04:51:03,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:51:03" (1/1) ... [2025-02-06 04:51:03,787 INFO L138 Inliner]: procedures = 679, calls = 1558, calls flagged for inlining = 47, calls inlined = 6, statements flattened = 596 [2025-02-06 04:51:03,788 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 04:51:03,789 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 04:51:03,789 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 04:51:03,789 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 04:51:03,795 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:51:03" (1/1) ... [2025-02-06 04:51:03,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:51:03" (1/1) ... [2025-02-06 04:51:03,803 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:51:03" (1/1) ... [2025-02-06 04:51:03,879 INFO L175 MemorySlicer]: Split 277 memory accesses to 5 slices as follows [2, 238, 6, 5, 26]. 86 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 6, 1, 5, 5]. The 238 writes are split as follows [0, 232, 1, 0, 5]. [2025-02-06 04:51:03,880 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:51:03" (1/1) ... [2025-02-06 04:51:03,880 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:51:03" (1/1) ... [2025-02-06 04:51:03,897 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:51:03" (1/1) ... [2025-02-06 04:51:03,898 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:51:03" (1/1) ... [2025-02-06 04:51:03,903 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:51:03" (1/1) ... [2025-02-06 04:51:03,909 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:51:03" (1/1) ... [2025-02-06 04:51:03,917 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 04:51:03,922 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 04:51:03,922 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 04:51:03,922 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 04:51:03,922 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:51:03" (1/1) ... [2025-02-06 04:51:03,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:51:03,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:51:03,950 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) [2025-02-06 04:51:03,953 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 [2025-02-06 04:51:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-02-06 04:51:03,970 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-02-06 04:51:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 04:51:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-02-06 04:51:03,971 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-02-06 04:51:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 04:51:03,971 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 04:51:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-02-06 04:51:03,971 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-02-06 04:51:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 04:51:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 04:51:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 04:51:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 04:51:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 04:51:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 04:51:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 04:51:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 04:51:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 04:51:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 04:51:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-06 04:51:03,973 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-06 04:51:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 04:51:03,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 04:51:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 04:51:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 04:51:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 04:51:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 04:51:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 04:51:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 04:51:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 04:51:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 04:51:03,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 04:51:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 04:51:03,974 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 04:51:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-06 04:51:03,974 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-06 04:51:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-06 04:51:03,974 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-06 04:51:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 04:51:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 04:51:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 04:51:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 04:51:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 04:51:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-02-06 04:51:03,974 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-02-06 04:51:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-06 04:51:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-06 04:51:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-06 04:51:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-06 04:51:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-02-06 04:51:03,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-06 04:51:03,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-06 04:51:03,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-06 04:51:03,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-06 04:51:03,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-02-06 04:51:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 04:51:03,974 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 04:51:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-02-06 04:51:03,974 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-02-06 04:51:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 04:51:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 04:51:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 04:51:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 04:51:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 04:51:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 04:51:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 04:51:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 04:51:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 04:51:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 04:51:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 04:51:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 04:51:03,975 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 04:51:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-06 04:51:03,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-06 04:51:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 04:51:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 04:51:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 04:51:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 04:51:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 04:51:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 04:51:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 04:51:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 04:51:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 04:51:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 04:51:04,202 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 04:51:04,204 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 04:51:04,238 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2782: havoc #t~malloc77.base, #t~malloc77.offset; [2025-02-06 04:51:04,259 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-06 04:51:04,278 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2588: havoc #t~ret57#1; [2025-02-06 04:51:04,313 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2796: havoc #t~ret81;havoc #t~ite83.base, #t~ite83.offset;havoc #t~ret82.base, #t~ret82.offset; [2025-02-06 04:51:04,364 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3268: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2025-02-06 04:51:04,368 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 04:51:04,372 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2821: havoc #t~ret89.base, #t~ret89.offset; [2025-02-06 04:51:09,582 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3202: call ULTIMATE.dealloc(aws_array_list_init_dynamic_~#allocation_size~0#1.base, aws_array_list_init_dynamic_~#allocation_size~0#1.offset);havoc aws_array_list_init_dynamic_~#allocation_size~0#1.base, aws_array_list_init_dynamic_~#allocation_size~0#1.offset; [2025-02-06 04:51:09,631 INFO L? ?]: Removed 87 outVars from TransFormulas that were not future-live. [2025-02-06 04:51:09,631 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 04:51:09,641 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 04:51:09,642 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 04:51:09,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:51:09 BoogieIcfgContainer [2025-02-06 04:51:09,642 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 04:51:09,644 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 04:51:09,644 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 04:51:09,647 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 04:51:09,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 04:51:02" (1/3) ... [2025-02-06 04:51:09,649 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dbffe95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:51:09, skipping insertion in model container [2025-02-06 04:51:09,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:51:03" (2/3) ... [2025-02-06 04:51:09,650 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dbffe95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:51:09, skipping insertion in model container [2025-02-06 04:51:09,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:51:09" (3/3) ... [2025-02-06 04:51:09,650 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_dynamic_harness.i [2025-02-06 04:51:09,660 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 04:51:09,661 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_array_list_init_dynamic_harness.i that has 20 procedures, 159 locations, 1 initial locations, 7 loop locations, and 1 error locations. [2025-02-06 04:51:09,721 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 04:51:09,730 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;@e06166, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 04:51:09,730 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 04:51:09,733 INFO L276 IsEmpty]: Start isEmpty. Operand has 143 states, 90 states have (on average 1.2222222222222223) internal successors, (110), 92 states have internal predecessors, (110), 36 states have call successors, (36), 15 states have call predecessors, (36), 15 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2025-02-06 04:51:09,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-02-06 04:51:09,740 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:51:09,740 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 04:51:09,741 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:51:09,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:51:09,746 INFO L85 PathProgramCache]: Analyzing trace with hash -799439109, now seen corresponding path program 1 times [2025-02-06 04:51:09,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:51:09,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882979468] [2025-02-06 04:51:09,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:51:09,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:51:14,175 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-02-06 04:51:14,577 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-02-06 04:51:14,579 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:51:14,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:51:15,016 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-02-06 04:51:15,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:51:15,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882979468] [2025-02-06 04:51:15,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882979468] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 04:51:15,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549474285] [2025-02-06 04:51:15,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:51:15,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 04:51:15,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:51:15,022 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) [2025-02-06 04:51:15,024 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 [2025-02-06 04:51:19,519 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-02-06 04:51:19,981 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-02-06 04:51:19,981 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:51:19,981 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:51:20,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 3988 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 04:51:20,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 04:51:20,022 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-02-06 04:51:20,022 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 04:51:20,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549474285] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 04:51:20,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 04:51:20,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 04:51:20,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709619941] [2025-02-06 04:51:20,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 04:51:20,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 04:51:20,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 04:51:20,045 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 04:51:20,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 04:51:20,048 INFO L87 Difference]: Start difference. First operand has 143 states, 90 states have (on average 1.2222222222222223) internal successors, (110), 92 states have internal predecessors, (110), 36 states have call successors, (36), 15 states have call predecessors, (36), 15 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-02-06 04:51:20,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 04:51:20,073 INFO L93 Difference]: Finished difference Result 274 states and 369 transitions. [2025-02-06 04:51:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 04:51:20,075 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 64 [2025-02-06 04:51:20,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 04:51:20,081 INFO L225 Difference]: With dead ends: 274 [2025-02-06 04:51:20,081 INFO L226 Difference]: Without dead ends: 136 [2025-02-06 04:51:20,085 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 04:51:20,087 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 04:51:20,088 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 04:51:20,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2025-02-06 04:51:20,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2025-02-06 04:51:20,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 84 states have (on average 1.1904761904761905) internal successors, (100), 86 states have internal predecessors, (100), 36 states have call successors, (36), 15 states have call predecessors, (36), 15 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-02-06 04:51:20,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 170 transitions. [2025-02-06 04:51:20,138 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 170 transitions. Word has length 64 [2025-02-06 04:51:20,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 04:51:20,139 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 170 transitions. [2025-02-06 04:51:20,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-02-06 04:51:20,140 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 170 transitions. [2025-02-06 04:51:20,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-02-06 04:51:20,142 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:51:20,142 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 04:51:20,158 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 04:51:20,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 04:51:20,343 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:51:20,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:51:20,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1809438103, now seen corresponding path program 1 times [2025-02-06 04:51:20,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:51:20,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712950726] [2025-02-06 04:51:20,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:51:20,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:51:24,689 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-06 04:51:25,164 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-06 04:51:25,164 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:51:25,165 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:51:26,440 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2025-02-06 04:51:26,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:51:26,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712950726] [2025-02-06 04:51:26,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712950726] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 04:51:26,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 04:51:26,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 04:51:26,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642882946] [2025-02-06 04:51:26,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 04:51:26,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 04:51:26,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 04:51:26,444 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 04:51:26,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 04:51:26,446 INFO L87 Difference]: Start difference. First operand 136 states and 170 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-02-06 04:51:26,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 04:51:26,543 INFO L93 Difference]: Finished difference Result 252 states and 313 transitions. [2025-02-06 04:51:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 04:51:26,547 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 71 [2025-02-06 04:51:26,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 04:51:26,548 INFO L225 Difference]: With dead ends: 252 [2025-02-06 04:51:26,548 INFO L226 Difference]: Without dead ends: 137 [2025-02-06 04:51:26,549 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 04:51:26,550 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 04:51:26,550 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 502 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 04:51:26,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2025-02-06 04:51:26,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2025-02-06 04:51:26,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 85 states have (on average 1.188235294117647) internal successors, (101), 87 states have internal predecessors, (101), 36 states have call successors, (36), 15 states have call predecessors, (36), 15 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-02-06 04:51:26,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 171 transitions. [2025-02-06 04:51:26,568 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 171 transitions. Word has length 71 [2025-02-06 04:51:26,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 04:51:26,568 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 171 transitions. [2025-02-06 04:51:26,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-02-06 04:51:26,568 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 171 transitions. [2025-02-06 04:51:26,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-02-06 04:51:26,572 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:51:26,572 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 04:51:26,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 04:51:26,572 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:51:26,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:51:26,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1201825113, now seen corresponding path program 1 times [2025-02-06 04:51:26,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:51:26,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308338202] [2025-02-06 04:51:26,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:51:26,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:51:30,399 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-06 04:51:30,749 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-06 04:51:30,750 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:51:30,750 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:51:32,030 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2025-02-06 04:51:32,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:51:32,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308338202] [2025-02-06 04:51:32,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308338202] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 04:51:32,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634300991] [2025-02-06 04:51:32,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:51:32,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 04:51:32,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:51:32,033 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) [2025-02-06 04:51:32,034 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 [2025-02-06 04:51:36,499 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes.