./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_iter_next_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 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_iter_next_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 839f41a2c3e360479cb51d794d3ab0f4c035e5d91806fe8b36886ee505a3f070 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:53:07,030 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:53:07,083 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:53:07,088 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:53:07,088 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:53:07,113 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:53:07,114 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:53:07,114 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:53:07,115 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:53:07,115 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:53:07,115 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:53:07,115 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:53:07,116 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:53:07,116 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:53:07,116 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:53:07,117 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:53:07,117 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:53:07,117 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:53:07,117 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:53:07,117 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:53:07,117 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:53:07,117 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:53:07,117 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:53:07,117 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:53:07,117 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:53:07,118 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:53:07,118 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:53:07,118 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:53:07,118 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:53:07,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:53:07,118 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:53:07,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:53:07,118 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:53:07,119 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:53:07,119 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:53:07,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:53:07,119 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:53:07,119 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:53:07,119 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:53:07,119 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:53:07,119 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 -> 839f41a2c3e360479cb51d794d3ab0f4c035e5d91806fe8b36886ee505a3f070 [2025-03-04 02:53:07,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:53:07,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:53:07,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:53:07,340 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:53:07,341 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:53:07,341 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_iter_next_harness.i [2025-03-04 02:53:08,461 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba6d8bbf8/f0e1be69582b4a84bdb9961dab91d1cf/FLAG8e64eec3d [2025-03-04 02:53:08,923 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:53:08,924 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_next_harness.i [2025-03-04 02:53:08,952 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba6d8bbf8/f0e1be69582b4a84bdb9961dab91d1cf/FLAG8e64eec3d [2025-03-04 02:53:09,036 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba6d8bbf8/f0e1be69582b4a84bdb9961dab91d1cf [2025-03-04 02:53:09,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:53:09,039 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:53:09,040 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:53:09,040 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:53:09,043 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:53:09,044 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:53:09" (1/1) ... [2025-03-04 02:53:09,046 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1121e19e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:53:09, skipping insertion in model container [2025-03-04 02:53:09,046 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:53:09" (1/1) ... [2025-03-04 02:53:09,114 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:53:09,309 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_iter_next_harness.i[4492,4505] [2025-03-04 02:53:09,318 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_iter_next_harness.i[4552,4565] [2025-03-04 02:53:09,857 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:09,858 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:09,858 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:09,858 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:09,859 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:09,869 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:09,870 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:09,871 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:09,871 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:09,872 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:09,873 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:09,873 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:09,873 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,453 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,454 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,479 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,480 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,487 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,488 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,505 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,507 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,507 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,507 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,508 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,508 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,508 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,571 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_iter_next_harness.i[227890,227903] [2025-03-04 02:53:10,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:53:10,598 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:53:10,607 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_iter_next_harness.i[4492,4505] [2025-03-04 02:53:10,609 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_iter_next_harness.i[4552,4565] [2025-03-04 02:53:10,636 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,636 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,637 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,637 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,637 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,642 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,643 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,644 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,644 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,645 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,646 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,646 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,646 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2025-03-04 02:53:10,758 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,758 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,766 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,766 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,767 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,768 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,775 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,776 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,776 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,776 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,776 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,777 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,778 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:53:10,792 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_iter_next_harness.i[227890,227903] [2025-03-04 02:53:10,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:53:10,951 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:53:10,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:53:10 WrapperNode [2025-03-04 02:53:10,952 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:53:10,953 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:53:10,953 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:53:10,953 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:53:10,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:53:10" (1/1) ... [2025-03-04 02:53:11,046 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:53:10" (1/1) ... [2025-03-04 02:53:11,097 INFO L138 Inliner]: procedures = 763, calls = 2447, calls flagged for inlining = 68, calls inlined = 11, statements flattened = 643 [2025-03-04 02:53:11,098 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:53:11,098 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:53:11,098 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:53:11,098 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:53:11,107 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:53:10" (1/1) ... [2025-03-04 02:53:11,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:53:10" (1/1) ... [2025-03-04 02:53:11,113 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:53:10" (1/1) ... [2025-03-04 02:53:11,162 INFO L175 MemorySlicer]: Split 329 memory accesses to 9 slices as follows [238, 2, 3, 43, 6, 8, 22, 2, 5]. 72 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [6, 2, 0, 9, 0, 0, 0, 0, 5]. The 247 writes are split as follows [232, 0, 1, 9, 2, 1, 1, 1, 0]. [2025-03-04 02:53:11,163 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:53:10" (1/1) ... [2025-03-04 02:53:11,163 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:53:10" (1/1) ... [2025-03-04 02:53:11,185 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:53:10" (1/1) ... [2025-03-04 02:53:11,188 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:53:10" (1/1) ... [2025-03-04 02:53:11,197 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:53:10" (1/1) ... [2025-03-04 02:53:11,202 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:53:10" (1/1) ... [2025-03-04 02:53:11,210 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:53:11,211 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:53:11,211 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:53:11,211 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:53:11,212 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:53:10" (1/1) ... [2025-03-04 02:53:11,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:53:11,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:53:11,240 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) [2025-03-04 02:53:11,242 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 [2025-03-04 02:53:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-04 02:53:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-04 02:53:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-04 02:53:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-04 02:53:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-04 02:53:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-04 02:53:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-04 02:53:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-03-04 02:53:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-03-04 02:53:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:53:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:53:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:53:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:53:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:53:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:53:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 02:53:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 02:53:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 02:53:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-04 02:53:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:53:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:53:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:53:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:53:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:53:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 02:53:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 02:53:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 02:53:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-04 02:53:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 02:53:11,260 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 02:53:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:53:11,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:53:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-03-04 02:53:11,260 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-03-04 02:53:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:53:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:53:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_next [2025-03-04 02:53:11,260 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_next [2025-03-04 02:53:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-03-04 02:53:11,260 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-03-04 02:53:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:53:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:53:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:53:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:53:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:53:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 02:53:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 02:53:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 02:53:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-04 02:53:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:53:11,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:53:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:53:11,260 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:53:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-04 02:53:11,260 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-04 02:53:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:53:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:53:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:53:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:53:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:53:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 02:53:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 02:53:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 02:53:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-04 02:53:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure s_get_next_element [2025-03-04 02:53:11,260 INFO L138 BoogieDeclarations]: Found implementation of procedure s_get_next_element [2025-03-04 02:53:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:53:11,261 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:53:11,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:53:11,261 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2025-03-04 02:53:11,261 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2025-03-04 02:53:11,261 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-04 02:53:11,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-04 02:53:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:53:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:53:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:53:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:53:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:53:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 02:53:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 02:53:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 02:53:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-04 02:53:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-03-04 02:53:11,264 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-03-04 02:53:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:53:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:53:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:53:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:53:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:53:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 02:53:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 02:53:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-04 02:53:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-04 02:53:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-04 02:53:11,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-04 02:53:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-04 02:53:11,265 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-04 02:53:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 02:53:11,265 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 02:53:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:53:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:53:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:53:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:53:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:53:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 02:53:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 02:53:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 02:53:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-04 02:53:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:53:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:53:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:53:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:53:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:53:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 02:53:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 02:53:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 02:53:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-04 02:53:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-03-04 02:53:11,265 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-03-04 02:53:11,536 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:53:11,538 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:53:11,570 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6947: havoc #t~malloc588.base, #t~malloc588.offset; [2025-03-04 02:53:11,597 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-04 02:53:11,601 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 02:53:11,755 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10103: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-03-04 02:53:11,832 INFO L1325 $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; [2025-03-04 02:53:11,856 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-03-04 02:53:11,869 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-04 02:53:16,903 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-04 02:53:16,949 INFO L? ?]: Removed 160 outVars from TransFormulas that were not future-live. [2025-03-04 02:53:16,949 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:53:16,962 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:53:16,963 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:53:16,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:53:16 BoogieIcfgContainer [2025-03-04 02:53:16,963 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:53:16,966 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:53:16,966 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:53:16,969 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:53:16,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:53:09" (1/3) ... [2025-03-04 02:53:16,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db47973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:53:16, skipping insertion in model container [2025-03-04 02:53:16,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:53:10" (2/3) ... [2025-03-04 02:53:16,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db47973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:53:16, skipping insertion in model container [2025-03-04 02:53:16,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:53:16" (3/3) ... [2025-03-04 02:53:16,972 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_iter_next_harness.i [2025-03-04 02:53:16,982 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:53:16,985 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_iter_next_harness.i that has 17 procedures, 171 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-04 02:53:17,031 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:53:17,040 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;@7d2e6dc1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:53:17,040 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:53:17,044 INFO L276 IsEmpty]: Start isEmpty. Operand has 171 states, 110 states have (on average 1.2545454545454546) internal successors, (138), 111 states have internal predecessors, (138), 43 states have call successors, (43), 16 states have call predecessors, (43), 16 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2025-03-04 02:53:17,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2025-03-04 02:53:17,055 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:53:17,055 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2025-03-04 02:53:17,056 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:53:17,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:53:17,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1659534338, now seen corresponding path program 1 times [2025-03-04 02:53:17,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:53:17,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83938773] [2025-03-04 02:53:17,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:53:17,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:53:21,183 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 155 statements into 1 equivalence classes. [2025-03-04 02:53:21,467 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 155 of 155 statements. [2025-03-04 02:53:21,467 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:53:21,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:53:21,919 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2025-03-04 02:53:21,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:53:21,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83938773] [2025-03-04 02:53:21,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83938773] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:53:21,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065962975] [2025-03-04 02:53:21,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:53:21,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:53:21,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:53:21,923 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) [2025-03-04 02:53:21,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 02:53:26,080 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 155 statements into 1 equivalence classes. [2025-03-04 02:53:26,554 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 155 of 155 statements. [2025-03-04 02:53:26,555 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:53:26,555 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:53:26,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 4566 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 02:53:26,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:53:26,605 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2025-03-04 02:53:26,606 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 02:53:26,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2065962975] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:53:26,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 02:53:26,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-04 02:53:26,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297484303] [2025-03-04 02:53:26,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:53:26,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 02:53:26,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:53:26,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 02:53:26,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 02:53:26,625 INFO L87 Difference]: Start difference. First operand has 171 states, 110 states have (on average 1.2545454545454546) internal successors, (138), 111 states have internal predecessors, (138), 43 states have call successors, (43), 16 states have call predecessors, (43), 16 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-04 02:53:26,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:53:26,663 INFO L93 Difference]: Finished difference Result 334 states and 473 transitions. [2025-03-04 02:53:26,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 02:53:26,665 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 155 [2025-03-04 02:53:26,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:53:26,670 INFO L225 Difference]: With dead ends: 334 [2025-03-04 02:53:26,670 INFO L226 Difference]: Without dead ends: 165 [2025-03-04 02:53:26,678 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 02:53:26,680 INFO L435 NwaCegarLoop]: 220 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, 220 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 [2025-03-04 02:53:26,680 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 220 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 02:53:26,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2025-03-04 02:53:26,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2025-03-04 02:53:26,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 105 states have (on average 1.2380952380952381) internal successors, (130), 106 states have internal predecessors, (130), 43 states have call successors, (43), 16 states have call predecessors, (43), 16 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2025-03-04 02:53:26,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 215 transitions. [2025-03-04 02:53:26,725 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 215 transitions. Word has length 155 [2025-03-04 02:53:26,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:53:26,725 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 215 transitions. [2025-03-04 02:53:26,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-04 02:53:26,725 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 215 transitions. [2025-03-04 02:53:26,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2025-03-04 02:53:26,729 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:53:26,729 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2025-03-04 02:53:26,744 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-04 02:53:26,930 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 [2025-03-04 02:53:26,930 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:53:26,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:53:26,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1155618104, now seen corresponding path program 1 times [2025-03-04 02:53:26,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:53:26,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252470382] [2025-03-04 02:53:26,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:53:26,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:53:30,871 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 155 statements into 1 equivalence classes. [2025-03-04 02:53:30,972 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 155 of 155 statements. [2025-03-04 02:53:30,975 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:53:30,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:53:31,978 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2025-03-04 02:53:31,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:53:31,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252470382] [2025-03-04 02:53:31,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252470382] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:53:31,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [480816638] [2025-03-04 02:53:31,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:53:31,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:53:31,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:53:31,981 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) [2025-03-04 02:53:31,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 02:53:36,221 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 155 statements into 1 equivalence classes. [2025-03-04 02:53:36,643 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 155 of 155 statements. [2025-03-04 02:53:36,643 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:53:36,643 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:53:36,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 4566 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 02:53:36,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:53:38,723 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-03-04 02:53:38,724 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 02:53:38,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [480816638] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:53:38,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 02:53:38,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-03-04 02:53:38,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437190864] [2025-03-04 02:53:38,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:53:38,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 02:53:38,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:53:38,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 02:53:38,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-04 02:53:38,727 INFO L87 Difference]: Start difference. First operand 165 states and 215 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2025-03-04 02:53:40,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:53:40,642 INFO L93 Difference]: Finished difference Result 309 states and 408 transitions. [2025-03-04 02:53:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 02:53:40,643 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) Word has length 155 [2025-03-04 02:53:40,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:53:40,646 INFO L225 Difference]: With dead ends: 309 [2025-03-04 02:53:40,646 INFO L226 Difference]: Without dead ends: 171 [2025-03-04 02:53:40,646 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2025-03-04 02:53:40,648 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 179 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-03-04 02:53:40,649 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 687 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-03-04 02:53:40,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2025-03-04 02:53:40,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 167. [2025-03-04 02:53:40,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 106 states have (on average 1.2358490566037736) internal successors, (131), 108 states have internal predecessors, (131), 43 states have call successors, (43), 16 states have call predecessors, (43), 17 states have return successors, (45), 42 states have call predecessors, (45), 42 states have call successors, (45) [2025-03-04 02:53:40,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 219 transitions. [2025-03-04 02:53:40,664 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 219 transitions. Word has length 155 [2025-03-04 02:53:40,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:53:40,665 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 219 transitions. [2025-03-04 02:53:40,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2025-03-04 02:53:40,665 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 219 transitions. [2025-03-04 02:53:40,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2025-03-04 02:53:40,667 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:53:40,667 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1] [2025-03-04 02:53:40,686 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-04 02:53:40,867 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 [2025-03-04 02:53:40,868 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:53:40,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:53:40,868 INFO L85 PathProgramCache]: Analyzing trace with hash -100955832, now seen corresponding path program 1 times [2025-03-04 02:53:40,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:53:40,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240850124] [2025-03-04 02:53:40,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:53:40,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:53:44,380 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-03-04 02:53:44,464 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-03-04 02:53:44,465 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:53:44,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:53:45,248 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2025-03-04 02:53:45,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:53:45,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240850124] [2025-03-04 02:53:45,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240850124] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:53:45,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916412186] [2025-03-04 02:53:45,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:53:45,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:53:45,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:53:45,251 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) [2025-03-04 02:53:45,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 02:53:49,238 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-03-04 02:53:49,598 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-03-04 02:53:49,598 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:53:49,598 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:53:49,615 INFO L256 TraceCheckSpWp]: Trace formula consists of 4571 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 02:53:49,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:53:52,175 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 102 proven. 55 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2025-03-04 02:53:52,175 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 02:53:55,473 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2025-03-04 02:53:55,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916412186] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 02:53:55,474 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 02:53:55,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 8] total 16 [2025-03-04 02:53:55,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012420652] [2025-03-04 02:53:55,474 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 02:53:55,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-04 02:53:55,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:53:55,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-04 02:53:55,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2025-03-04 02:53:55,476 INFO L87 Difference]: Start difference. First operand 167 states and 219 transitions. Second operand has 16 states, 14 states have (on average 10.0) internal successors, (140), 14 states have internal predecessors, (140), 8 states have call successors, (63), 5 states have call predecessors, (63), 5 states have return successors, (59), 7 states have call predecessors, (59), 8 states have call successors, (59) [2025-03-04 02:54:01,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:54:01,251 INFO L93 Difference]: Finished difference Result 331 states and 439 transitions. [2025-03-04 02:54:01,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 02:54:01,251 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 10.0) internal successors, (140), 14 states have internal predecessors, (140), 8 states have call successors, (63), 5 states have call predecessors, (63), 5 states have return successors, (59), 7 states have call predecessors, (59), 8 states have call successors, (59) Word has length 156 [2025-03-04 02:54:01,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:54:01,253 INFO L225 Difference]: With dead ends: 331 [2025-03-04 02:54:01,253 INFO L226 Difference]: Without dead ends: 176 [2025-03-04 02:54:01,254 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 301 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2025-03-04 02:54:01,255 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 211 mSDsluCounter, 1642 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 1812 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2025-03-04 02:54:01,255 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 1812 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2025-03-04 02:54:01,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2025-03-04 02:54:01,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 172. [2025-03-04 02:54:01,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 110 states have (on average 1.2272727272727273) internal successors, (135), 112 states have internal predecessors, (135), 43 states have call successors, (43), 16 states have call predecessors, (43), 18 states have return successors, (44), 43 states have call predecessors, (44), 42 states have call successors, (44) [2025-03-04 02:54:01,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 222 transitions. [2025-03-04 02:54:01,267 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 222 transitions. Word has length 156 [2025-03-04 02:54:01,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:54:01,267 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 222 transitions. [2025-03-04 02:54:01,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 10.0) internal successors, (140), 14 states have internal predecessors, (140), 8 states have call successors, (63), 5 states have call predecessors, (63), 5 states have return successors, (59), 7 states have call predecessors, (59), 8 states have call successors, (59) [2025-03-04 02:54:01,267 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 222 transitions. [2025-03-04 02:54:01,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2025-03-04 02:54:01,269 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:54:01,269 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1] [2025-03-04 02:54:01,286 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-04 02:54:01,469 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 [2025-03-04 02:54:01,470 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:54:01,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:54:01,470 INFO L85 PathProgramCache]: Analyzing trace with hash -606917834, now seen corresponding path program 1 times [2025-03-04 02:54:01,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:54:01,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506464570] [2025-03-04 02:54:01,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:54:01,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:54:05,046 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-03-04 02:54:05,135 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-03-04 02:54:05,135 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:54:05,135 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:54:08,657 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2025-03-04 02:54:08,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:54:08,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506464570] [2025-03-04 02:54:08,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506464570] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:54:08,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146479331] [2025-03-04 02:54:08,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:54:08,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:54:08,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:54:08,661 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) [2025-03-04 02:54:08,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-04 02:54:12,951 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-03-04 02:54:13,336 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-03-04 02:54:13,336 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:54:13,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:54:13,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 4584 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 02:54:13,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:54:17,193 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 6 proven. 128 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2025-03-04 02:54:17,193 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 02:54:22,068 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2025-03-04 02:54:22,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146479331] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-04 02:54:22,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-03-04 02:54:22,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10, 10] total 25 [2025-03-04 02:54:22,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989876188] [2025-03-04 02:54:22,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:54:22,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 02:54:22,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:54:22,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 02:54:22,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=542, Unknown=0, NotChecked=0, Total=600 [2025-03-04 02:54:22,069 INFO L87 Difference]: Start difference. First operand 172 states and 222 transitions. Second operand has 10 states, 10 states have (on average 6.3) internal successors, (63), 8 states have internal predecessors, (63), 6 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (23), 6 states have call predecessors, (23), 5 states have call successors, (23) [2025-03-04 02:54:27,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:54:27,766 INFO L93 Difference]: Finished difference Result 252 states and 330 transitions. [2025-03-04 02:54:27,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 02:54:27,767 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 8 states have internal predecessors, (63), 6 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (23), 6 states have call predecessors, (23), 5 states have call successors, (23) Word has length 169 [2025-03-04 02:54:27,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:54:27,769 INFO L225 Difference]: With dead ends: 252 [2025-03-04 02:54:27,769 INFO L226 Difference]: Without dead ends: 176 [2025-03-04 02:54:27,770 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 324 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=92, Invalid=900, Unknown=0, NotChecked=0, Total=992 [2025-03-04 02:54:27,770 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 230 mSDsluCounter, 1094 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 1258 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2025-03-04 02:54:27,771 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 1258 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2025-03-04 02:54:27,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2025-03-04 02:54:27,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 170. [2025-03-04 02:54:27,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 109 states have (on average 1.2201834862385321) internal successors, (133), 110 states have internal predecessors, (133), 43 states have call successors, (43), 16 states have call predecessors, (43), 17 states have return successors, (43), 43 states have call predecessors, (43), 42 states have call successors, (43) [2025-03-04 02:54:27,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 219 transitions. [2025-03-04 02:54:27,796 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 219 transitions. Word has length 169 [2025-03-04 02:54:27,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:54:27,797 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 219 transitions. [2025-03-04 02:54:27,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 8 states have internal predecessors, (63), 6 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (23), 6 states have call predecessors, (23), 5 states have call successors, (23) [2025-03-04 02:54:27,797 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 219 transitions. [2025-03-04 02:54:27,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2025-03-04 02:54:27,798 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:54:27,798 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, 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] [2025-03-04 02:54:27,824 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-04 02:54:27,999 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 [2025-03-04 02:54:28,000 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:54:28,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:54:28,000 INFO L85 PathProgramCache]: Analyzing trace with hash 285817506, now seen corresponding path program 1 times [2025-03-04 02:54:28,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:54:28,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272504453] [2025-03-04 02:54:28,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:54:28,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:54:31,573 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-03-04 02:54:31,665 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-03-04 02:54:31,665 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:54:31,665 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:54:34,761 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2025-03-04 02:54:34,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:54:34,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272504453] [2025-03-04 02:54:34,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272504453] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:54:34,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2061185130] [2025-03-04 02:54:34,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:54:34,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:54:34,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:54:34,764 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) [2025-03-04 02:54:34,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-04 02:54:39,809 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-03-04 02:54:40,260 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-03-04 02:54:40,260 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:54:40,260 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:54:40,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 4589 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-04 02:54:40,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:54:41,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 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