./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_clear_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_clear_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 414eeb8ea1256fa06cba80a48a09ba5f5bd5aff7438b9ba4ea2d399e84c5db41 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:12:43,009 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:12:43,063 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:12:43,068 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:12:43,069 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:12:43,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:12:43,089 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:12:43,089 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:12:43,090 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:12:43,090 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:12:43,090 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:12:43,090 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:12:43,090 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:12:43,090 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:12:43,090 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:12:43,091 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:12:43,091 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:12:43,091 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:12:43,092 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:12:43,092 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:12:43,092 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:12:43,092 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:12:43,092 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:12:43,092 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:12:43,092 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:12:43,092 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:12:43,092 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:12:43,092 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:12:43,092 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:12:43,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:12:43,093 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:12:43,093 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:12:43,093 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:12:43,093 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:12:43,093 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:12:43,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:12:43,094 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:12:43,094 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:12:43,094 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:12:43,094 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:12:43,094 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 -> 414eeb8ea1256fa06cba80a48a09ba5f5bd5aff7438b9ba4ea2d399e84c5db41 [2025-03-17 07:12:43,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:12:43,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:12:43,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:12:43,465 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:12:43,465 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:12:43,467 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_clear_harness.i [2025-03-17 07:12:44,645 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ead02f8e8/5175db98b3e6497daccca002b6afb37f/FLAG30f1ead6e [2025-03-17 07:12:45,195 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:12:45,197 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_clear_harness.i [2025-03-17 07:12:45,238 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ead02f8e8/5175db98b3e6497daccca002b6afb37f/FLAG30f1ead6e [2025-03-17 07:12:45,730 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ead02f8e8/5175db98b3e6497daccca002b6afb37f [2025-03-17 07:12:45,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:12:45,733 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:12:45,734 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:12:45,734 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:12:45,737 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:12:45,738 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:12:45" (1/1) ... [2025-03-17 07:12:45,739 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24b14f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:45, skipping insertion in model container [2025-03-17 07:12:45,739 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:12:45" (1/1) ... [2025-03-17 07:12:45,846 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:12:46,120 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_clear_harness.i[4494,4507] [2025-03-17 07:12:46,130 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_clear_harness.i[4554,4567] [2025-03-17 07:12:47,154 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:47,155 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:47,155 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:47,156 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:47,156 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:47,165 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:47,165 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:47,166 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:47,167 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:47,168 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:47,168 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:47,169 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:47,169 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,055 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,057 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,081 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,082 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,091 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,091 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,107 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,108 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,109 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,109 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,109 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,110 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,110 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,137 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_clear_harness.i[228101,228114] [2025-03-17 07:12:48,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:12:48,167 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:12:48,182 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_clear_harness.i[4494,4507] [2025-03-17 07:12:48,182 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_clear_harness.i[4554,4567] [2025-03-17 07:12:48,219 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,220 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,220 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,220 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,220 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,224 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,224 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,225 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,227 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,228 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,228 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,228 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,228 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,290 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7585-7596] [2025-03-17 07:12:48,408 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,409 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,418 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,418 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,420 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,420 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,425 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,425 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,426 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,426 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,426 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,426 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,426 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,438 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_clear_harness.i[228101,228114] [2025-03-17 07:12:48,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:12:48,603 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:12:48,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:48 WrapperNode [2025-03-17 07:12:48,604 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:12:48,605 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:12:48,605 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:12:48,605 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:12:48,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:48" (1/1) ... [2025-03-17 07:12:48,675 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:48" (1/1) ... [2025-03-17 07:12:48,733 INFO L138 Inliner]: procedures = 764, calls = 2435, calls flagged for inlining = 69, calls inlined = 13, statements flattened = 613 [2025-03-17 07:12:48,734 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:12:48,734 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:12:48,735 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:12:48,735 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:12:48,742 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:48" (1/1) ... [2025-03-17 07:12:48,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:48" (1/1) ... [2025-03-17 07:12:48,751 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:48" (1/1) ... [2025-03-17 07:12:48,821 INFO L175 MemorySlicer]: Split 292 memory accesses to 8 slices as follows [238, 2, 2, 34, 8, 2, 1, 5]. 82 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [6, 2, 0, 0, 0, 0, 0, 5]. The 241 writes are split as follows [232, 0, 1, 5, 1, 1, 1, 0]. [2025-03-17 07:12:48,822 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:48" (1/1) ... [2025-03-17 07:12:48,822 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:48" (1/1) ... [2025-03-17 07:12:48,863 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:48" (1/1) ... [2025-03-17 07:12:48,865 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:48" (1/1) ... [2025-03-17 07:12:48,871 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:48" (1/1) ... [2025-03-17 07:12:48,874 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:48" (1/1) ... [2025-03-17 07:12:48,885 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:12:48,886 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:12:48,886 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:12:48,886 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:12:48,887 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:48" (1/1) ... [2025-03-17 07:12:48,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:12:48,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:12:48,919 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 07:12:48,926 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 07:12:48,947 INFO L130 BoogieDeclarations]: Found specification of procedure memset_override_0_impl [2025-03-17 07:12:48,948 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_override_0_impl [2025-03-17 07:12:48,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-17 07:12:48,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-17 07:12:48,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-17 07:12:48,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-17 07:12:48,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-17 07:12:48,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-17 07:12:48,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-17 07:12:48,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-03-17 07:12:48,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:12:48,948 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:12:48,948 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:12:48,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:12:48,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:12:48,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:12:48,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:12:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:12:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:12:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 07:12:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 07:12:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:12:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:12:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:12:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:12:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:12:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:12:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 07:12:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 07:12:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-17 07:12:48,951 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-17 07:12:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:12:48,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:12:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-03-17 07:12:48,951 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-03-17 07:12:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_clear [2025-03-17 07:12:48,951 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_clear [2025-03-17 07:12:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:12:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:12:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-03-17 07:12:48,951 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-03-17 07:12:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:12:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:12:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:12:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:12:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:12:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:12:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 07:12:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 07:12:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-17 07:12:48,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-17 07:12:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:12:48,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:12:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:12:48,951 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:12:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-17 07:12:48,951 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-17 07:12:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:12:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:12:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:12:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:12:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:12:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:12:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 07:12:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-17 07:12:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:12:48,952 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:12:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:12:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-17 07:12:48,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-17 07:12:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:12:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:12:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:12:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:12:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:12:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:12:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 07:12:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 07:12:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-03-17 07:12:48,952 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-03-17 07:12:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:12:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:12:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:12:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:12:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:12:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:12:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 07:12:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-17 07:12:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-17 07:12:48,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-17 07:12:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-17 07:12:48,952 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-17 07:12:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 07:12:48,955 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 07:12:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:12:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:12:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:12:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:12:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:12:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:12:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 07:12:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 07:12:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-03-17 07:12:48,955 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-03-17 07:12:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:12:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:12:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:12:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:12:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:12:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:12:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 07:12:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 07:12:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-03-17 07:12:48,955 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-03-17 07:12:49,295 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:12:49,297 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:12:49,357 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6947: havoc #t~malloc588.base, #t~malloc588.offset; [2025-03-17 07:12:49,377 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L10130: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-03-17 07:12:49,449 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-17 07:12:49,451 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 07:12:49,469 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7415: havoc #t~ret691.base, #t~ret691.offset; [2025-03-17 07:12:49,497 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L10017: havoc #t~mem1492.base, #t~mem1492.offset;havoc #t~short1493;havoc #t~mem1494.base, #t~mem1494.offset;havoc #t~ret1495;havoc #t~short1496; [2025-03-17 07:12:49,502 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:12:49,612 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-03-17 07:12:49,626 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-17 07:12:55,335 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6843: havoc hash_table_state_has_an_empty_slot_#t~mem571#1; [2025-03-17 07:12:55,335 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6833: havoc aws_hash_table_has_an_empty_slot_#t~mem566#1.base, aws_hash_table_has_an_empty_slot_#t~mem566#1.offset;havoc aws_hash_table_has_an_empty_slot_#t~ret567#1; [2025-03-17 07:12:55,461 INFO L? ?]: Removed 136 outVars from TransFormulas that were not future-live. [2025-03-17 07:12:55,461 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:12:55,479 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:12:55,480 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:12:55,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:12:55 BoogieIcfgContainer [2025-03-17 07:12:55,480 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:12:55,484 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:12:55,485 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:12:55,488 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:12:55,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:12:45" (1/3) ... [2025-03-17 07:12:55,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18af1b6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:12:55, skipping insertion in model container [2025-03-17 07:12:55,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:48" (2/3) ... [2025-03-17 07:12:55,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18af1b6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:12:55, skipping insertion in model container [2025-03-17 07:12:55,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:12:55" (3/3) ... [2025-03-17 07:12:55,492 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_clear_harness.i [2025-03-17 07:12:55,504 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:12:55,506 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_clear_harness.i that has 19 procedures, 167 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-03-17 07:12:55,565 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:12:55,576 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;@7fda1161, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:12:55,577 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:12:55,581 INFO L276 IsEmpty]: Start isEmpty. Operand has 167 states, 106 states have (on average 1.2075471698113207) internal successors, (128), 107 states have internal predecessors, (128), 41 states have call successors, (41), 18 states have call predecessors, (41), 18 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2025-03-17 07:12:55,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2025-03-17 07:12:55,594 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:12:55,595 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:12:55,596 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:12:55,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:12:55,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1060930825, now seen corresponding path program 1 times [2025-03-17 07:12:55,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:12:55,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448233585] [2025-03-17 07:12:55,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:12:55,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:13:00,564 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-03-17 07:13:00,860 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-03-17 07:13:00,863 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:00,863 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:01,414 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2025-03-17 07:13:01,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:13:01,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448233585] [2025-03-17 07:13:01,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448233585] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:13:01,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1499982088] [2025-03-17 07:13:01,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:01,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:13:01,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:13:01,421 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 07:13:01,422 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 07:13:06,071 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-03-17 07:13:06,507 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-03-17 07:13:06,507 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:06,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:06,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 4358 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 07:13:06,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:13:06,559 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2025-03-17 07:13:06,560 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:13:06,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1499982088] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:13:06,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:13:06,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 07:13:06,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457148059] [2025-03-17 07:13:06,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:13:06,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 07:13:06,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:13:06,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 07:13:06,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 07:13:06,582 INFO L87 Difference]: Start difference. First operand has 167 states, 106 states have (on average 1.2075471698113207) internal successors, (128), 107 states have internal predecessors, (128), 41 states have call successors, (41), 18 states have call predecessors, (41), 18 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-17 07:13:06,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:13:06,624 INFO L93 Difference]: Finished difference Result 330 states and 441 transitions. [2025-03-17 07:13:06,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 07:13:06,629 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 138 [2025-03-17 07:13:06,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:13:06,635 INFO L225 Difference]: With dead ends: 330 [2025-03-17 07:13:06,635 INFO L226 Difference]: Without dead ends: 163 [2025-03-17 07:13:06,638 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 07:13:06,640 INFO L435 NwaCegarLoop]: 205 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, 205 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 07:13:06,640 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 205 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 07:13:06,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2025-03-17 07:13:06,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2025-03-17 07:13:06,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 103 states have (on average 1.1650485436893203) internal successors, (120), 104 states have internal predecessors, (120), 41 states have call successors, (41), 18 states have call predecessors, (41), 18 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-03-17 07:13:06,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 201 transitions. [2025-03-17 07:13:06,669 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 201 transitions. Word has length 138 [2025-03-17 07:13:06,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:13:06,671 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 201 transitions. [2025-03-17 07:13:06,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-17 07:13:06,672 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 201 transitions. [2025-03-17 07:13:06,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2025-03-17 07:13:06,677 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:13:06,678 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:13:06,694 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 07:13:06,878 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 07:13:06,879 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:13:06,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:13:06,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1345715463, now seen corresponding path program 1 times [2025-03-17 07:13:06,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:13:06,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725346882] [2025-03-17 07:13:06,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:06,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:13:11,565 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-03-17 07:13:11,707 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-03-17 07:13:11,708 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:11,708 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:12,932 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2025-03-17 07:13:12,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:13:12,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725346882] [2025-03-17 07:13:12,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725346882] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:13:12,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 07:13:12,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 07:13:12,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399294087] [2025-03-17 07:13:12,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:13:12,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 07:13:12,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:13:12,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 07:13:12,935 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 07:13:12,936 INFO L87 Difference]: Start difference. First operand 163 states and 201 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-17 07:13:13,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:13:13,200 INFO L93 Difference]: Finished difference Result 291 states and 359 transitions. [2025-03-17 07:13:13,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 07:13:13,206 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 138 [2025-03-17 07:13:13,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:13:13,208 INFO L225 Difference]: With dead ends: 291 [2025-03-17 07:13:13,209 INFO L226 Difference]: Without dead ends: 168 [2025-03-17 07:13:13,210 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 07:13:13,210 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 0 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 784 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 07:13:13,210 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 784 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 07:13:13,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2025-03-17 07:13:13,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2025-03-17 07:13:13,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 107 states have (on average 1.158878504672897) internal successors, (124), 108 states have internal predecessors, (124), 41 states have call successors, (41), 18 states have call predecessors, (41), 19 states have return successors, (41), 41 states have call predecessors, (41), 40 states have call successors, (41) [2025-03-17 07:13:13,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 206 transitions. [2025-03-17 07:13:13,224 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 206 transitions. Word has length 138 [2025-03-17 07:13:13,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:13:13,224 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 206 transitions. [2025-03-17 07:13:13,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-17 07:13:13,224 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 206 transitions. [2025-03-17 07:13:13,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-03-17 07:13:13,226 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:13:13,226 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:13:13,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 07:13:13,226 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:13:13,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:13:13,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1759599559, now seen corresponding path program 1 times [2025-03-17 07:13:13,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:13:13,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997130395] [2025-03-17 07:13:13,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:13,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:13:17,904 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-03-17 07:13:18,058 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-03-17 07:13:18,062 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:18,062 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:22,324 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2025-03-17 07:13:22,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:13:22,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997130395] [2025-03-17 07:13:22,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997130395] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:13:22,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110708308] [2025-03-17 07:13:22,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:22,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:13:22,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:13:22,329 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 07:13:22,330 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 07:13:26,974 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-03-17 07:13:27,413 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-03-17 07:13:27,413 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:27,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:27,437 INFO L256 TraceCheckSpWp]: Trace formula consists of 4358 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-03-17 07:13:27,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:13:28,111 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 07:13:29,945 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2025-03-17 07:13:29,945 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:13:29,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110708308] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:13:29,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:13:29,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [10] total 15 [2025-03-17 07:13:29,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589055710] [2025-03-17 07:13:29,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:13:29,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 07:13:29,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:13:29,947 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 07:13:29,947 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2025-03-17 07:13:29,947 INFO L87 Difference]: Start difference. First operand 168 states and 206 transitions. Second operand has 11 states, 10 states have (on average 6.9) internal successors, (69), 9 states have internal predecessors, (69), 4 states have call successors, (26), 3 states have call predecessors, (26), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-03-17 07:13:34,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 07:13:40,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:13:40,549 INFO L93 Difference]: Finished difference Result 302 states and 372 transitions. [2025-03-17 07:13:40,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 07:13:40,550 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 9 states have internal predecessors, (69), 4 states have call successors, (26), 3 states have call predecessors, (26), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 143 [2025-03-17 07:13:40,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:13:40,553 INFO L225 Difference]: With dead ends: 302 [2025-03-17 07:13:40,553 INFO L226 Difference]: Without dead ends: 192 [2025-03-17 07:13:40,554 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2025-03-17 07:13:40,554 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 147 mSDsluCounter, 990 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 1181 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2025-03-17 07:13:40,555 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 1181 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 350 Invalid, 1 Unknown, 0 Unchecked, 9.9s Time] [2025-03-17 07:13:40,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2025-03-17 07:13:40,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 189. [2025-03-17 07:13:40,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 124 states have (on average 1.1612903225806452) internal successors, (144), 126 states have internal predecessors, (144), 41 states have call successors, (41), 21 states have call predecessors, (41), 23 states have return successors, (43), 41 states have call predecessors, (43), 40 states have call successors, (43) [2025-03-17 07:13:40,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 228 transitions. [2025-03-17 07:13:40,575 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 228 transitions. Word has length 143 [2025-03-17 07:13:40,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:13:40,575 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 228 transitions. [2025-03-17 07:13:40,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 9 states have internal predecessors, (69), 4 states have call successors, (26), 3 states have call predecessors, (26), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-03-17 07:13:40,576 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 228 transitions. [2025-03-17 07:13:40,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-03-17 07:13:40,577 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:13:40,577 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:13:40,599 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 07:13:40,781 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,SelfDestructingSolverStorable2 [2025-03-17 07:13:40,781 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:13:40,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:13:40,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1639479686, now seen corresponding path program 1 times [2025-03-17 07:13:40,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:13:40,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376874282] [2025-03-17 07:13:40,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:40,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:13:44,913 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-03-17 07:13:45,044 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-03-17 07:13:45,045 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:45,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:46,064 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2025-03-17 07:13:46,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:13:46,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376874282] [2025-03-17 07:13:46,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376874282] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:13:46,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156763677] [2025-03-17 07:13:46,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:46,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:13:46,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:13:46,068 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 07:13:46,070 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 07:13:50,717 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-03-17 07:13:51,212 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-03-17 07:13:51,213 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:51,213 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:51,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 4353 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 07:13:51,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:13:52,465 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2025-03-17 07:13:52,466 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:13:52,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156763677] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:13:52,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:13:52,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-03-17 07:13:52,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238119581] [2025-03-17 07:13:52,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:13:52,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 07:13:52,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:13:52,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 07:13:52,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-03-17 07:13:52,468 INFO L87 Difference]: Start difference. First operand 189 states and 228 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2025-03-17 07:13:52,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:13:52,998 INFO L93 Difference]: Finished difference Result 309 states and 380 transitions. [2025-03-17 07:13:52,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 07:13:52,999 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 143 [2025-03-17 07:13:52,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:13:53,001 INFO L225 Difference]: With dead ends: 309 [2025-03-17 07:13:53,001 INFO L226 Difference]: Without dead ends: 194 [2025-03-17 07:13:53,002 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-03-17 07:13:53,003 INFO L435 NwaCegarLoop]: 201 mSDtfsCounter, 15 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 746 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 07:13:53,003 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 746 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 07:13:53,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2025-03-17 07:13:53,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 191. [2025-03-17 07:13:53,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 125 states have (on average 1.16) internal successors, (145), 127 states have internal predecessors, (145), 42 states have call successors, (42), 21 states have call predecessors, (42), 23 states have return successors, (44), 42 states have call predecessors, (44), 41 states have call successors, (44) [2025-03-17 07:13:53,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 231 transitions. [2025-03-17 07:13:53,026 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 231 transitions. Word has length 143 [2025-03-17 07:13:53,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:13:53,027 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 231 transitions. [2025-03-17 07:13:53,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2025-03-17 07:13:53,027 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 231 transitions. [2025-03-17 07:13:53,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2025-03-17 07:13:53,029 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:13:53,029 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:13:53,052 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 07:13:53,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:13:53,230 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:13:53,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:13:53,231 INFO L85 PathProgramCache]: Analyzing trace with hash -326627819, now seen corresponding path program 1 times [2025-03-17 07:13:53,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:13:53,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878093541] [2025-03-17 07:13:53,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:53,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:13:57,065 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 149 statements into 1 equivalence classes. [2025-03-17 07:13:57,187 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 149 of 149 statements. [2025-03-17 07:13:57,187 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:57,187 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:59,925 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2025-03-17 07:13:59,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:13:59,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878093541] [2025-03-17 07:13:59,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878093541] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:13:59,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468576391] [2025-03-17 07:13:59,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:59,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:13:59,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:13:59,928 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 07:13:59,965 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 07:14:05,263 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 149 statements into 1 equivalence classes. [2025-03-17 07:14:05,702 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 149 of 149 statements. [2025-03-17 07:14:05,702 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:14:05,702 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:14:05,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 4382 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-17 07:14:05,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:14:11,431 WARN L873 $PredicateComparison]: unable to prove that (or (exists ((v_aws_hash_table_is_valid_~map.base_4 Int) (v_aws_hash_table_is_valid_~map.offset_4 Int)) (not (= (select (select |c_#memory_$Pointer$#4.offset| v_aws_hash_table_is_valid_~map.base_4) v_aws_hash_table_is_valid_~map.offset_4) 0))) (exists ((v_aws_hash_table_is_valid_~map.base_4 Int) (v_aws_hash_table_is_valid_~map.offset_4 Int)) (not (= (select (select |c_#memory_$Pointer$#4.base| v_aws_hash_table_is_valid_~map.base_4) v_aws_hash_table_is_valid_~map.offset_4) 0)))) is different from true