./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 8f8d49a5761bf3d84140233b4dcef84d471a160de32d47830642b1223a2a4e54 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:14:23,198 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:14:23,250 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:14:23,256 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:14:23,257 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:14:23,277 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:14:23,279 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:14:23,279 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:14:23,279 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:14:23,279 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:14:23,280 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:14:23,280 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:14:23,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:14:23,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:14:23,281 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:14:23,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:14:23,281 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:14:23,281 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:14:23,281 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:14:23,281 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:14:23,281 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:14:23,281 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:14:23,282 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:14:23,282 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:14:23,282 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:14:23,282 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:14:23,282 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:14:23,282 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:14:23,282 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:14:23,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:14:23,283 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:14:23,283 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:14:23,283 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:14:23,283 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:14:23,283 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:14:23,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:14:23,283 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:14:23,283 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:14:23,283 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:14:23,283 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:14:23,284 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/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 -> 8f8d49a5761bf3d84140233b4dcef84d471a160de32d47830642b1223a2a4e54 [2025-03-17 07:14:23,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:14:23,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:14:23,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:14:23,510 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:14:23,511 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:14:23,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i [2025-03-17 07:14:24,648 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b990fb83/9a8762bd1b8244eba7a7fe5e569e35bf/FLAG79752d988 [2025-03-17 07:14:25,169 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:14:25,169 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i [2025-03-17 07:14:25,200 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b990fb83/9a8762bd1b8244eba7a7fe5e569e35bf/FLAG79752d988 [2025-03-17 07:14:25,217 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b990fb83/9a8762bd1b8244eba7a7fe5e569e35bf [2025-03-17 07:14:25,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:14:25,220 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:14:25,221 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:14:25,221 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:14:25,224 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:14:25,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:14:25" (1/1) ... [2025-03-17 07:14:25,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a688753 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:25, skipping insertion in model container [2025-03-17 07:14:25,225 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:14:25" (1/1) ... [2025-03-17 07:14:25,289 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:14:25,508 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i[4493,4506] [2025-03-17 07:14:25,517 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i[4553,4566] [2025-03-17 07:14:26,306 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:26,306 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:26,307 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:26,307 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:26,308 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:26,318 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:26,318 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:26,320 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:26,320 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:26,321 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:26,322 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:26,322 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:26,322 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,297 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,298 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,334 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,335 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,342 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,342 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,356 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,357 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,357 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,358 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,358 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,358 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,358 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,420 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i[227509,227522] [2025-03-17 07:14:27,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:14:27,445 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:14:27,453 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i[4493,4506] [2025-03-17 07:14:27,454 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i[4553,4566] [2025-03-17 07:14:27,477 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,477 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,478 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,478 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,478 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,482 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,482 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,483 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,483 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,483 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,484 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,484 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,484 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,533 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2025-03-17 07:14:27,582 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,583 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,588 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,588 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,590 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,590 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,595 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,596 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,596 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,597 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,597 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,597 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,597 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:27,609 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i[227509,227522] [2025-03-17 07:14:27,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:14:27,779 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:14:27,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:27 WrapperNode [2025-03-17 07:14:27,780 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:14:27,781 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:14:27,781 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:14:27,781 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:14:27,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:27" (1/1) ... [2025-03-17 07:14:27,893 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:27" (1/1) ... [2025-03-17 07:14:27,944 INFO L138 Inliner]: procedures = 763, calls = 2427, calls flagged for inlining = 70, calls inlined = 12, statements flattened = 620 [2025-03-17 07:14:27,945 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:14:27,945 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:14:27,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:14:27,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:14:27,955 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:27" (1/1) ... [2025-03-17 07:14:27,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:27" (1/1) ... [2025-03-17 07:14:27,959 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:27" (1/1) ... [2025-03-17 07:14:28,013 INFO L175 MemorySlicer]: Split 281 memory accesses to 8 slices as follows [2, 238, 17, 8, 3, 2, 6, 5]. 85 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 6, 0, 0, 0, 0, 0, 5]. The 240 writes are split as follows [0, 232, 1, 3, 1, 1, 2, 0]. [2025-03-17 07:14:28,014 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:27" (1/1) ... [2025-03-17 07:14:28,014 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:27" (1/1) ... [2025-03-17 07:14:28,051 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:27" (1/1) ... [2025-03-17 07:14:28,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:27" (1/1) ... [2025-03-17 07:14:28,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:27" (1/1) ... [2025-03-17 07:14:28,062 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:27" (1/1) ... [2025-03-17 07:14:28,070 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:14:28,070 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:14:28,071 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:14:28,071 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:14:28,071 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:27" (1/1) ... [2025-03-17 07:14:28,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:14:28,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:14:28,103 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 07:14:28,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 07:14:28,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-17 07:14:28,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-17 07:14:28,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-17 07:14:28,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-17 07:14:28,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-17 07:14:28,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-17 07:14:28,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-17 07:14:28,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-03-17 07:14:28,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:14:28,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:14:28,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:14:28,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:14:28,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:14:28,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:14:28,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:14:28,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 07:14:28,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 07:14:28,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:14:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:14:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:14:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:14:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:14:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:14:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 07:14:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 07:14:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-17 07:14:28,125 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-17 07:14:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:14:28,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:14:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-03-17 07:14:28,125 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-03-17 07:14:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:14:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:14:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-03-17 07:14:28,125 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-03-17 07:14:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:14:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:14:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:14:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:14:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:14:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:14:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 07:14:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 07:14:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:14:28,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:14:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:14:28,125 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:14:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-17 07:14:28,126 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-17 07:14:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:14:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:14:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:14:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:14:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:14:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:14:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 07:14:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-17 07:14:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-17 07:14:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-17 07:14:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-17 07:14:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-17 07:14:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-17 07:14:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-17 07:14:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-17 07:14:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-17 07:14:28,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-17 07:14:28,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-17 07:14:28,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-17 07:14:28,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-17 07:14:28,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-17 07:14:28,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-17 07:14:28,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-17 07:14:28,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-17 07:14:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:14:28,126 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:14:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:14:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-17 07:14:28,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-17 07:14:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:14:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:14:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:14:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:14:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:14:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:14:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 07:14:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 07:14:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-03-17 07:14:28,126 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-03-17 07:14:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:14:28,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:14:28,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:14:28,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:14:28,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:14:28,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:14:28,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 07:14:28,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-17 07:14:28,128 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-17 07:14:28,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-17 07:14:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-17 07:14:28,129 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-17 07:14:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 07:14:28,129 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 07:14:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:14:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:14:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:14:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:14:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:14:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:14:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 07:14:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 07:14:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:14:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:14:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:14:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:14:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:14:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:14:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 07:14:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 07:14:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-03-17 07:14:28,129 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-03-17 07:14:28,378 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:14:28,380 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:14:28,423 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6947: havoc #t~malloc588.base, #t~malloc588.offset; [2025-03-17 07:14:28,453 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-17 07:14:28,455 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 07:14:28,602 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L10103: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-03-17 07:14:28,626 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9990: havoc #t~mem1489.base, #t~mem1489.offset;havoc #t~short1490;havoc #t~mem1491.base, #t~mem1491.offset;havoc #t~ret1492;havoc #t~short1493; [2025-03-17 07:14:28,647 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-03-17 07:14:28,657 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-17 07:14:33,777 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-17 07:14:33,892 INFO L? ?]: Removed 142 outVars from TransFormulas that were not future-live. [2025-03-17 07:14:33,892 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:14:33,903 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:14:33,903 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:14:33,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:14:33 BoogieIcfgContainer [2025-03-17 07:14:33,903 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:14:33,905 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:14:33,905 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:14:33,908 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:14:33,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:14:25" (1/3) ... [2025-03-17 07:14:33,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f1271d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:14:33, skipping insertion in model container [2025-03-17 07:14:33,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:27" (2/3) ... [2025-03-17 07:14:33,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f1271d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:14:33, skipping insertion in model container [2025-03-17 07:14:33,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:14:33" (3/3) ... [2025-03-17 07:14:33,910 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_move_harness.i [2025-03-17 07:14:33,921 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:14:33,922 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_move_harness.i that has 22 procedures, 152 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-03-17 07:14:33,960 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:14:33,968 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;@6c463e7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:14:33,968 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:14:33,971 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 77 states have (on average 1.2077922077922079) internal successors, (93), 77 states have internal predecessors, (93), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2025-03-17 07:14:33,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2025-03-17 07:14:33,988 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:14:33,989 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2025-03-17 07:14:33,990 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:14:33,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:14:33,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1951521409, now seen corresponding path program 1 times [2025-03-17 07:14:34,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:14:34,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990846427] [2025-03-17 07:14:34,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:14:34,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:14:38,366 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-03-17 07:14:38,671 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-03-17 07:14:38,672 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:14:38,672 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:14:39,139 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2025-03-17 07:14:39,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:14:39,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990846427] [2025-03-17 07:14:39,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990846427] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:14:39,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579758059] [2025-03-17 07:14:39,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:14:39,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:14:39,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:14:39,143 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:14:39,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 07:14:43,427 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-03-17 07:14:43,888 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-03-17 07:14:43,888 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:14:43,889 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:14:43,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 4411 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 07:14:43,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:14:43,934 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2025-03-17 07:14:43,935 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:14:43,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [579758059] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:14:43,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:14:43,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 07:14:43,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877853352] [2025-03-17 07:14:43,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:14:43,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 07:14:43,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:14:43,962 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 07:14:43,962 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 07:14:43,964 INFO L87 Difference]: Start difference. First operand has 124 states, 77 states have (on average 1.2077922077922079) internal successors, (93), 77 states have internal predecessors, (93), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-17 07:14:44,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:14:44,002 INFO L93 Difference]: Finished difference Result 241 states and 328 transitions. [2025-03-17 07:14:44,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 07:14:44,005 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 138 [2025-03-17 07:14:44,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:14:44,010 INFO L225 Difference]: With dead ends: 241 [2025-03-17 07:14:44,010 INFO L226 Difference]: Without dead ends: 121 [2025-03-17 07:14:44,013 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 07:14:44,014 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 07:14:44,015 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 151 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 07:14:44,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2025-03-17 07:14:44,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2025-03-17 07:14:44,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 74 states have (on average 1.162162162162162) internal successors, (86), 75 states have internal predecessors, (86), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-03-17 07:14:44,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 149 transitions. [2025-03-17 07:14:44,057 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 149 transitions. Word has length 138 [2025-03-17 07:14:44,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:14:44,058 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 149 transitions. [2025-03-17 07:14:44,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-17 07:14:44,059 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 149 transitions. [2025-03-17 07:14:44,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-03-17 07:14:44,063 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:14:44,063 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2025-03-17 07:14:44,078 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 07:14:44,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-17 07:14:44,264 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:14:44,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:14:44,265 INFO L85 PathProgramCache]: Analyzing trace with hash -19584813, now seen corresponding path program 1 times [2025-03-17 07:14:44,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:14:44,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727572729] [2025-03-17 07:14:44,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:14:44,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:14:48,406 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-03-17 07:14:48,540 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-03-17 07:14:48,540 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:14:48,540 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:14:49,694 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2025-03-17 07:14:49,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:14:49,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727572729] [2025-03-17 07:14:49,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727572729] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:14:49,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163865178] [2025-03-17 07:14:49,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:14:49,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:14:49,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:14:49,698 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:14:49,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 07:14:54,188 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-03-17 07:14:54,633 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-03-17 07:14:54,633 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:14:54,633 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:14:54,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 4436 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 07:14:54,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:14:54,780 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2025-03-17 07:14:54,780 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:14:54,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163865178] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:14:54,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:14:54,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2025-03-17 07:14:54,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891381569] [2025-03-17 07:14:54,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:14:54,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 07:14:54,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:14:54,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 07:14:54,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 07:14:54,782 INFO L87 Difference]: Start difference. First operand 121 states and 149 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-17 07:14:54,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:14:54,990 INFO L93 Difference]: Finished difference Result 236 states and 291 transitions. [2025-03-17 07:14:54,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 07:14:54,992 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 144 [2025-03-17 07:14:54,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:14:54,994 INFO L225 Difference]: With dead ends: 236 [2025-03-17 07:14:54,994 INFO L226 Difference]: Without dead ends: 126 [2025-03-17 07:14:54,995 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 07:14:54,996 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 0 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 07:14:54,996 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 576 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 07:14:54,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2025-03-17 07:14:55,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2025-03-17 07:14:55,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 78 states have (on average 1.1538461538461537) internal successors, (90), 79 states have internal predecessors, (90), 32 states have call successors, (32), 14 states have call predecessors, (32), 15 states have return successors, (32), 32 states have call predecessors, (32), 31 states have call successors, (32) [2025-03-17 07:14:55,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 154 transitions. [2025-03-17 07:14:55,007 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 154 transitions. Word has length 144 [2025-03-17 07:14:55,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:14:55,007 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 154 transitions. [2025-03-17 07:14:55,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-17 07:14:55,008 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 154 transitions. [2025-03-17 07:14:55,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-03-17 07:14:55,013 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:14:55,014 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:14:55,032 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 07:14:55,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-17 07:14:55,214 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:14:55,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:14:55,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1997162433, now seen corresponding path program 1 times [2025-03-17 07:14:55,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:14:55,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828087074] [2025-03-17 07:14:55,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:14:55,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:14:58,916 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-03-17 07:14:59,045 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-03-17 07:14:59,046 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:14:59,046 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:15:02,924 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2025-03-17 07:15:02,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:15:02,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828087074] [2025-03-17 07:15:02,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828087074] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:15:02,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466927338] [2025-03-17 07:15:02,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:15:02,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:15:02,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:15:02,927 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:15:02,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 07:15:07,182 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-03-17 07:15:07,598 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-03-17 07:15:07,598 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:15:07,598 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:15:07,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 4436 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-03-17 07:15:07,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:15:09,086 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 [2025-03-17 07:15:16,768 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2025-03-17 07:15:16,772 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:15:16,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466927338] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:15:16,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:15:16,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [10] total 19 [2025-03-17 07:15:16,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948225140] [2025-03-17 07:15:16,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:15:16,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 07:15:16,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:15:16,774 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 07:15:16,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2025-03-17 07:15:16,775 INFO L87 Difference]: Start difference. First operand 126 states and 154 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 6 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (25), 7 states have call predecessors, (25), 6 states have call successors, (25) [2025-03-17 07:15:20,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 07:15:25,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 07:15:35,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-17 07:15:39,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-17 07:15:40,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:15:40,262 INFO L93 Difference]: Finished difference Result 323 states and 390 transitions. [2025-03-17 07:15:40,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 07:15:40,263 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 6 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (25), 7 states have call predecessors, (25), 6 states have call successors, (25) Word has length 154 [2025-03-17 07:15:40,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:15:40,266 INFO L225 Difference]: With dead ends: 323 [2025-03-17 07:15:40,266 INFO L226 Difference]: Without dead ends: 219 [2025-03-17 07:15:40,267 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 132 SyntacticMatches, 14 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=84, Invalid=378, Unknown=0, NotChecked=0, Total=462 [2025-03-17 07:15:40,268 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 76 mSDsluCounter, 1415 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 5 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 1606 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.7s IncrementalHoareTripleChecker+Time [2025-03-17 07:15:40,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 1606 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 408 Invalid, 4 Unknown, 0 Unchecked, 22.7s Time] [2025-03-17 07:15:40,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2025-03-17 07:15:40,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 214. [2025-03-17 07:15:40,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 139 states have (on average 1.1726618705035972) internal successors, (163), 142 states have internal predecessors, (163), 45 states have call successors, (45), 25 states have call predecessors, (45), 29 states have return successors, (48), 46 states have call predecessors, (48), 43 states have call successors, (48) [2025-03-17 07:15:40,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 256 transitions. [2025-03-17 07:15:40,284 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 256 transitions. Word has length 154 [2025-03-17 07:15:40,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:15:40,285 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 256 transitions. [2025-03-17 07:15:40,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 6 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (25), 7 states have call predecessors, (25), 6 states have call successors, (25) [2025-03-17 07:15:40,285 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 256 transitions. [2025-03-17 07:15:40,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-03-17 07:15:40,287 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:15:40,287 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2025-03-17 07:15:40,307 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-17 07:15:40,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:15:40,488 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:15:40,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:15:40,490 INFO L85 PathProgramCache]: Analyzing trace with hash -707830881, now seen corresponding path program 1 times [2025-03-17 07:15:40,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:15:40,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331383152] [2025-03-17 07:15:40,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:15:40,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:15:44,402 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-03-17 07:15:44,500 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-03-17 07:15:44,500 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:15:44,500 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:15:45,561 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2025-03-17 07:15:45,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:15:45,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331383152] [2025-03-17 07:15:45,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331383152] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:15:45,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172862615] [2025-03-17 07:15:45,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:15:45,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:15:45,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:15:45,565 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:15:45,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 07:15:50,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-03-17 07:15:50,471 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-03-17 07:15:50,471 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:15:50,471 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:15:50,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 4426 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 07:15:50,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:15:51,444 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2025-03-17 07:15:51,445 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:15:51,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172862615] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:15:51,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:15:51,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-03-17 07:15:51,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894102426] [2025-03-17 07:15:51,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:15:51,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 07:15:51,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:15:51,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 07:15:51,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-03-17 07:15:51,446 INFO L87 Difference]: Start difference. First operand 214 states and 256 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2025-03-17 07:15:51,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:15:51,790 INFO L93 Difference]: Finished difference Result 375 states and 456 transitions. [2025-03-17 07:15:51,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 07:15:51,790 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 154 [2025-03-17 07:15:51,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:15:51,794 INFO L225 Difference]: With dead ends: 375 [2025-03-17 07:15:51,794 INFO L226 Difference]: Without dead ends: 226 [2025-03-17 07:15:51,795 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-03-17 07:15:51,795 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 17 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 07:15:51,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 401 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 07:15:51,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2025-03-17 07:15:51,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 219. [2025-03-17 07:15:51,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 142 states have (on average 1.1690140845070423) internal successors, (166), 146 states have internal predecessors, (166), 46 states have call successors, (46), 25 states have call predecessors, (46), 30 states have return successors, (52), 47 states have call predecessors, (52), 44 states have call successors, (52) [2025-03-17 07:15:51,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 264 transitions. [2025-03-17 07:15:51,814 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 264 transitions. Word has length 154 [2025-03-17 07:15:51,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:15:51,814 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 264 transitions. [2025-03-17 07:15:51,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2025-03-17 07:15:51,815 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 264 transitions. [2025-03-17 07:15:51,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-03-17 07:15:51,816 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:15:51,816 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 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] [2025-03-17 07:15:51,835 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-17 07:15:52,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:15:52,017 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:15:52,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:15:52,018 INFO L85 PathProgramCache]: Analyzing trace with hash 42148697, now seen corresponding path program 1 times [2025-03-17 07:15:52,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:15:52,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817491689] [2025-03-17 07:15:52,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:15:52,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:15:55,774 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-03-17 07:15:55,855 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-03-17 07:15:55,855 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:15:55,855 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:15:58,307 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2025-03-17 07:15:58,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:15:58,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817491689] [2025-03-17 07:15:58,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817491689] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:15:58,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519285865] [2025-03-17 07:15:58,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:15:58,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:15:58,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:15:58,309 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:15:58,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process