./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 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_hash_iter_begin_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 421f397ecb374fcc22201279d98969d7d1e8c35a1593d9d42549f7d3b356eac0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:15:27,033 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:15:27,102 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:15:27,111 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:15:27,111 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:15:27,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:15:27,139 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:15:27,139 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:15:27,140 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:15:27,140 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:15:27,140 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:15:27,140 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:15:27,141 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:15:27,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:15:27,141 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:15:27,142 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:15:27,142 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:15:27,142 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:15:27,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:15:27,142 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:15:27,143 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:15:27,143 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:15:27,143 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:15:27,143 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:15:27,143 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:15:27,143 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:15:27,143 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:15:27,143 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:15:27,144 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:15:27,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:15:27,144 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:15:27,144 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:15:27,144 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:15:27,144 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:15:27,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:15:27,145 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:15:27,145 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:15:27,145 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:15:27,145 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:15:27,145 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:15:27,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:15:27,146 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:15:27,146 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:15:27,146 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:15:27,146 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:15:27,146 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 -> 421f397ecb374fcc22201279d98969d7d1e8c35a1593d9d42549f7d3b356eac0 [2025-01-09 17:15:27,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:15:27,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:15:27,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:15:27,416 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:15:27,417 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:15:27,418 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness.i [2025-01-09 17:15:28,678 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/571d2ad0a/2a4d04834bc1409cb0e21c794f9baba7/FLAG3a853135b [2025-01-09 17:15:29,195 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:15:29,195 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness.i [2025-01-09 17:15:29,235 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/571d2ad0a/2a4d04834bc1409cb0e21c794f9baba7/FLAG3a853135b [2025-01-09 17:15:29,246 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/571d2ad0a/2a4d04834bc1409cb0e21c794f9baba7 [2025-01-09 17:15:29,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:15:29,249 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:15:29,250 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:15:29,250 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:15:29,254 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:15:29,255 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:15:29" (1/1) ... [2025-01-09 17:15:29,256 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a1d70a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:15:29, skipping insertion in model container [2025-01-09 17:15:29,256 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:15:29" (1/1) ... [2025-01-09 17:15:29,347 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:15:29,598 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_hash_iter_begin_harness.i[4493,4506] [2025-01-09 17:15:29,606 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_hash_iter_begin_harness.i[4553,4566] [2025-01-09 17:15:30,214 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:30,215 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:30,215 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:30,216 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:30,217 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:30,227 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:30,228 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:30,230 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:30,230 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:30,231 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:30,232 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:30,233 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:30,233 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:30,967 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:30,967 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,002 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,004 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,012 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,012 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,031 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,032 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,032 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,033 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,033 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,033 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,034 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,114 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_hash_iter_begin_harness.i[227550,227563] [2025-01-09 17:15:31,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:15:31,146 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:15:31,162 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_hash_iter_begin_harness.i[4493,4506] [2025-01-09 17:15:31,162 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_hash_iter_begin_harness.i[4553,4566] [2025-01-09 17:15:31,207 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,208 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,208 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,209 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,210 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,219 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,220 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,221 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,221 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,222 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,222 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,222 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,222 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,307 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2025-01-09 17:15:31,382 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,383 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,388 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,389 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,391 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,391 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,400 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,401 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,402 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,402 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,403 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,403 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,403 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:31,421 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_hash_iter_begin_harness.i[227550,227563] [2025-01-09 17:15:31,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:15:31,638 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:15:31,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:15:31 WrapperNode [2025-01-09 17:15:31,640 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:15:31,641 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:15:31,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:15:31,641 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:15:31,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:15:31" (1/1) ... [2025-01-09 17:15:31,736 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:15:31" (1/1) ... [2025-01-09 17:15:31,779 INFO L138 Inliner]: procedures = 763, calls = 2441, calls flagged for inlining = 68, calls inlined = 11, statements flattened = 623 [2025-01-09 17:15:31,779 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:15:31,780 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:15:31,780 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:15:31,780 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:15:31,788 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:15:31" (1/1) ... [2025-01-09 17:15:31,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:15:31" (1/1) ... [2025-01-09 17:15:31,794 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:15:31" (1/1) ... [2025-01-09 17:15:31,878 INFO L175 MemorySlicer]: Split 339 memory accesses to 8 slices as follows [2, 3, 247, 51, 2, 23, 5, 6]. 73 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [2, 0, 6, 9, 0, 0, 5, 0]. The 249 writes are split as follows [0, 1, 233, 11, 1, 1, 0, 2]. [2025-01-09 17:15:31,879 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:15:31" (1/1) ... [2025-01-09 17:15:31,879 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:15:31" (1/1) ... [2025-01-09 17:15:31,925 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:15:31" (1/1) ... [2025-01-09 17:15:31,932 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:15:31" (1/1) ... [2025-01-09 17:15:31,943 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:15:31" (1/1) ... [2025-01-09 17:15:31,960 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:15:31" (1/1) ... [2025-01-09 17:15:31,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:15:31" (1/1) ... [2025-01-09 17:15:31,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:15:31,992 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:15:31,992 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:15:31,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:15:31,993 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:15:31" (1/1) ... [2025-01-09 17:15:31,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:15:32,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:15:32,023 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) [2025-01-09 17:15:32,030 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 [2025-01-09 17:15:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-01-09 17:15:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-01-09 17:15:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-01-09 17:15:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-01-09 17:15:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-01-09 17:15:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-01-09 17:15:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-01-09 17:15:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-01-09 17:15:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:15:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:15:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:15:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:15:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:15:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:15:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:15:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 17:15:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 17:15:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:15:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:15:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:15:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:15:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:15:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:15:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 17:15:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 17:15:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 17:15:32,050 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 17:15:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:15:32,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:15:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_begin [2025-01-09 17:15:32,050 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_begin [2025-01-09 17:15:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-01-09 17:15:32,051 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-01-09 17:15:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:15:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:15:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-01-09 17:15:32,051 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-01-09 17:15:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:15:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:15:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:15:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:15:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:15:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:15:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 17:15:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 17:15:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:15:32,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:15:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:15:32,051 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:15:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-01-09 17:15:32,051 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-01-09 17:15:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:15:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:15:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:15:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:15:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:15:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:15:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 17:15:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 17:15:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure s_get_next_element [2025-01-09 17:15:32,051 INFO L138 BoogieDeclarations]: Found implementation of procedure s_get_next_element [2025-01-09 17:15:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-09 17:15:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-09 17:15:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-01-09 17:15:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-01-09 17:15:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-01-09 17:15:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-01-09 17:15:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-01-09 17:15:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-01-09 17:15:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-09 17:15:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-09 17:15:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-01-09 17:15:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-01-09 17:15:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-01-09 17:15:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-01-09 17:15:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-01-09 17:15:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-01-09 17:15:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:15:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:15:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:15:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2025-01-09 17:15:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2025-01-09 17:15:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-01-09 17:15:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-01-09 17:15:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:15:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:15:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:15:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:15:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:15:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:15:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 17:15:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 17:15:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-01-09 17:15:32,056 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-01-09 17:15:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:15:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:15:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:15:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:15:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:15:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:15:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 17:15:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 17:15:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-01-09 17:15:32,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-01-09 17:15:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-01-09 17:15:32,056 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-01-09 17:15:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:15:32,057 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:15:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:15:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:15:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:15:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:15:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:15:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:15:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 17:15:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 17:15:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:15:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:15:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:15:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:15:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:15:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:15:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 17:15:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 17:15:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-01-09 17:15:32,057 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-01-09 17:15:32,423 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:15:32,426 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:15:32,561 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-09 17:15:32,611 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2025-01-09 17:15:32,611 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2025-01-09 17:15:38,427 INFO L? ?]: Removed 191 outVars from TransFormulas that were not future-live. [2025-01-09 17:15:38,427 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:15:38,442 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:15:38,444 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-09 17:15:38,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:15:38 BoogieIcfgContainer [2025-01-09 17:15:38,445 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:15:38,446 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:15:38,447 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:15:38,450 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:15:38,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:15:29" (1/3) ... [2025-01-09 17:15:38,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@169ff8be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:15:38, skipping insertion in model container [2025-01-09 17:15:38,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:15:31" (2/3) ... [2025-01-09 17:15:38,453 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@169ff8be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:15:38, skipping insertion in model container [2025-01-09 17:15:38,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:15:38" (3/3) ... [2025-01-09 17:15:38,455 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_iter_begin_harness.i [2025-01-09 17:15:38,470 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:15:38,474 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_iter_begin_harness.i that has 25 procedures, 203 locations, 1 initial locations, 11 loop locations, and 1 error locations. [2025-01-09 17:15:38,532 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:15:38,545 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;@7fd134b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:15:38,545 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:15:38,550 INFO L276 IsEmpty]: Start isEmpty. Operand has 175 states, 118 states have (on average 1.2542372881355932) internal successors, (148), 117 states have internal predecessors, (148), 40 states have call successors, (40), 17 states have call predecessors, (40), 17 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-01-09 17:15:38,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2025-01-09 17:15:38,564 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:15:38,565 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:15:38,565 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:15:38,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:15:38,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1630302473, now seen corresponding path program 1 times [2025-01-09 17:15:38,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:15:38,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792541775] [2025-01-09 17:15:38,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:15:38,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:15:43,713 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 149 statements into 1 equivalence classes. [2025-01-09 17:15:44,128 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 149 of 149 statements. [2025-01-09 17:15:44,129 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:15:44,129 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:15:45,991 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2025-01-09 17:15:45,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:15:45,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792541775] [2025-01-09 17:15:45,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792541775] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:15:45,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901840251] [2025-01-09 17:15:45,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:15:45,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:15:45,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:15:45,996 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) [2025-01-09 17:15:45,999 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 [2025-01-09 17:15:50,876 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 149 statements into 1 equivalence classes. [2025-01-09 17:15:51,525 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 149 of 149 statements. [2025-01-09 17:15:51,525 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:15:51,525 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:15:51,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 4547 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 17:15:51,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:15:51,587 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2025-01-09 17:15:51,587 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:15:51,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901840251] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:15:51,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:15:51,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2025-01-09 17:15:51,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297284233] [2025-01-09 17:15:51,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:15:51,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 17:15:51,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:15:51,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 17:15:51,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 17:15:51,619 INFO L87 Difference]: Start difference. First operand has 175 states, 118 states have (on average 1.2542372881355932) internal successors, (148), 117 states have internal predecessors, (148), 40 states have call successors, (40), 17 states have call predecessors, (40), 17 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-01-09 17:15:51,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:15:51,652 INFO L93 Difference]: Finished difference Result 341 states and 476 transitions. [2025-01-09 17:15:51,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 17:15:51,654 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 149 [2025-01-09 17:15:51,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:15:51,662 INFO L225 Difference]: With dead ends: 341 [2025-01-09 17:15:51,663 INFO L226 Difference]: Without dead ends: 168 [2025-01-09 17:15:51,667 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 17:15:51,669 INFO L435 NwaCegarLoop]: 221 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, 221 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 [2025-01-09 17:15:51,670 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 17:15:51,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2025-01-09 17:15:51,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2025-01-09 17:15:51,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 110 states have (on average 1.2363636363636363) internal successors, (136), 111 states have internal predecessors, (136), 40 states have call successors, (40), 17 states have call predecessors, (40), 17 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-01-09 17:15:51,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 215 transitions. [2025-01-09 17:15:51,708 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 215 transitions. Word has length 149 [2025-01-09 17:15:51,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:15:51,710 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 215 transitions. [2025-01-09 17:15:51,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-01-09 17:15:51,710 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 215 transitions. [2025-01-09 17:15:51,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2025-01-09 17:15:51,713 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:15:51,714 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:15:51,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-09 17:15:51,915 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 [2025-01-09 17:15:51,915 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:15:51,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:15:51,916 INFO L85 PathProgramCache]: Analyzing trace with hash 110488437, now seen corresponding path program 1 times [2025-01-09 17:15:51,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:15:51,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451952877] [2025-01-09 17:15:51,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:15:51,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:15:56,049 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 155 statements into 1 equivalence classes. [2025-01-09 17:15:56,186 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 155 of 155 statements. [2025-01-09 17:15:56,186 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:15:56,186 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:15:57,288 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2025-01-09 17:15:57,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:15:57,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451952877] [2025-01-09 17:15:57,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451952877] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:15:57,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320604535] [2025-01-09 17:15:57,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:15:57,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:15:57,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:15:57,292 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) [2025-01-09 17:15:57,293 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 [2025-01-09 17:16:01,694 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 155 statements into 1 equivalence classes. [2025-01-09 17:16:02,213 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 155 of 155 statements. [2025-01-09 17:16:02,213 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:16:02,213 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:16:02,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 4572 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-09 17:16:02,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:16:05,504 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2025-01-09 17:16:05,504 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 17:16:09,043 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-01-09 17:16:09,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1320604535] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-09 17:16:09,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-01-09 17:16:09,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 8] total 16 [2025-01-09 17:16:09,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732824249] [2025-01-09 17:16:09,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:16:09,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 17:16:09,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:16:09,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 17:16:09,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2025-01-09 17:16:09,047 INFO L87 Difference]: Start difference. First operand 168 states and 215 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 7 states have internal predecessors, (60), 5 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2025-01-09 17:16:11,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:16:11,884 INFO L93 Difference]: Finished difference Result 246 states and 320 transitions. [2025-01-09 17:16:11,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 17:16:11,885 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 7 states have internal predecessors, (60), 5 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) Word has length 155 [2025-01-09 17:16:11,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:16:11,891 INFO L225 Difference]: With dead ends: 246 [2025-01-09 17:16:11,892 INFO L226 Difference]: Without dead ends: 176 [2025-01-09 17:16:11,893 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 298 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2025-01-09 17:16:11,894 INFO L435 NwaCegarLoop]: 180 mSDtfsCounter, 215 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-01-09 17:16:11,894 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 882 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-01-09 17:16:11,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2025-01-09 17:16:11,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 170. [2025-01-09 17:16:11,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 111 states have (on average 1.2342342342342343) internal successors, (137), 113 states have internal predecessors, (137), 40 states have call successors, (40), 17 states have call predecessors, (40), 18 states have return successors, (40), 39 states have call predecessors, (40), 39 states have call successors, (40) [2025-01-09 17:16:11,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 217 transitions. [2025-01-09 17:16:11,917 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 217 transitions. Word has length 155 [2025-01-09 17:16:11,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:16:11,918 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 217 transitions. [2025-01-09 17:16:11,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 7 states have internal predecessors, (60), 5 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2025-01-09 17:16:11,918 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 217 transitions. [2025-01-09 17:16:11,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2025-01-09 17:16:11,921 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:16:11,922 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:16:11,942 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-09 17:16:12,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:16:12,123 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:16:12,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:16:12,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1144903400, now seen corresponding path program 1 times [2025-01-09 17:16:12,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:16:12,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751060626] [2025-01-09 17:16:12,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:16:12,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:16:15,893 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-01-09 17:16:16,010 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-01-09 17:16:16,011 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:16:16,011 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:16:17,021 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2025-01-09 17:16:17,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:16:17,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751060626] [2025-01-09 17:16:17,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751060626] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:16:17,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941568367] [2025-01-09 17:16:17,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:16:17,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:16:17,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:16:17,024 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) [2025-01-09 17:16:17,025 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 [2025-01-09 17:16:21,173 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-01-09 17:16:21,641 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-01-09 17:16:21,642 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:16:21,642 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:16:21,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 4577 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-09 17:16:21,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:16:21,776 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2025-01-09 17:16:21,777 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:16:21,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941568367] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:16:21,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:16:21,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2025-01-09 17:16:21,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830477072] [2025-01-09 17:16:21,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:16:21,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 17:16:21,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:16:21,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 17:16:21,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 17:16:21,779 INFO L87 Difference]: Start difference. First operand 170 states and 217 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2025-01-09 17:16:21,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:16:21,937 INFO L93 Difference]: Finished difference Result 333 states and 426 transitions. [2025-01-09 17:16:21,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 17:16:21,937 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 156 [2025-01-09 17:16:21,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:16:21,943 INFO L225 Difference]: With dead ends: 333 [2025-01-09 17:16:21,943 INFO L226 Difference]: Without dead ends: 175 [2025-01-09 17:16:21,946 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 17:16:21,947 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 0 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 17:16:21,947 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 844 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 17:16:21,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2025-01-09 17:16:21,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2025-01-09 17:16:21,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 115 states have (on average 1.2260869565217392) internal successors, (141), 117 states have internal predecessors, (141), 40 states have call successors, (40), 17 states have call predecessors, (40), 19 states have return successors, (41), 40 states have call predecessors, (41), 39 states have call successors, (41) [2025-01-09 17:16:21,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 222 transitions. [2025-01-09 17:16:21,967 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 222 transitions. Word has length 156 [2025-01-09 17:16:21,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:16:21,968 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 222 transitions. [2025-01-09 17:16:21,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2025-01-09 17:16:21,968 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 222 transitions. [2025-01-09 17:16:21,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2025-01-09 17:16:21,972 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:16:21,972 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:16:21,995 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-09 17:16:22,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:16:22,173 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:16:22,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:16:22,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1504825496, now seen corresponding path program 1 times [2025-01-09 17:16:22,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:16:22,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248823650] [2025-01-09 17:16:22,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:16:22,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:16:26,107 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-01-09 17:16:26,278 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-01-09 17:16:26,278 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:16:26,278 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:16:33,469 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2025-01-09 17:16:33,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:16:33,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248823650] [2025-01-09 17:16:33,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248823650] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:16:33,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20153063] [2025-01-09 17:16:33,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:16:33,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:16:33,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:16:33,472 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:16:33,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-09 17:16:37,874 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-01-09 17:16:38,467 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-01-09 17:16:38,467 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:16:38,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:16:38,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 4585 conjuncts, 68 conjuncts are in the unsatisfiable core [2025-01-09 17:16:38,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:16:40,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-01-09 17:16:49,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2025-01-09 17:16:49,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2025-01-09 17:16:51,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12