./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed 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_create_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 74836a87661fce5875ab1ae94a73cbe51ee04e76d05fc1828decf2341972d635 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 18:05:21,824 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 18:05:21,897 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 18:05:21,901 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 18:05:21,901 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 18:05:21,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 18:05:21,929 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 18:05:21,929 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 18:05:21,929 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 18:05:21,929 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 18:05:21,929 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 18:05:21,929 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 18:05:21,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 18:05:21,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 18:05:21,930 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 18:05:21,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 18:05:21,930 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 18:05:21,930 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 18:05:21,930 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 18:05:21,930 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 18:05:21,930 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 18:05:21,930 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 18:05:21,930 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 18:05:21,930 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 18:05:21,930 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 18:05:21,930 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 18:05:21,930 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 18:05:21,932 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 18:05:21,933 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 18:05:21,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:05:21,933 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 18:05:21,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 18:05:21,933 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 18:05:21,934 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 18:05:21,934 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 18:05:21,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 18:05:21,934 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 18:05:21,934 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 18:05:21,934 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 18:05:21,934 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 18:05:21,934 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 -> 74836a87661fce5875ab1ae94a73cbe51ee04e76d05fc1828decf2341972d635 [2025-03-08 18:05:22,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 18:05:22,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 18:05:22,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 18:05:22,210 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 18:05:22,210 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 18:05:22,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i [2025-03-08 18:05:23,514 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/226202588/33bbb8d90e344f6bbeab97beab36059e/FLAG48989aaea [2025-03-08 18:05:23,934 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 18:05:23,935 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i [2025-03-08 18:05:23,961 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/226202588/33bbb8d90e344f6bbeab97beab36059e/FLAG48989aaea [2025-03-08 18:05:23,981 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/226202588/33bbb8d90e344f6bbeab97beab36059e [2025-03-08 18:05:23,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 18:05:23,984 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 18:05:23,986 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 18:05:23,986 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 18:05:23,989 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 18:05:23,990 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:05:23" (1/1) ... [2025-03-08 18:05:23,991 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e131198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:23, skipping insertion in model container [2025-03-08 18:05:23,991 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:05:23" (1/1) ... [2025-03-08 18:05:24,075 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 18:05:24,360 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_create_harness.i[4495,4508] [2025-03-08 18:05:24,370 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_create_harness.i[4555,4568] [2025-03-08 18:05:25,189 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:25,190 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:25,190 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:25,190 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:25,191 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:25,200 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:25,201 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:25,202 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:25,202 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:25,204 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:25,205 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:25,205 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:25,205 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:25,940 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:25,942 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:25,980 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:25,981 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:25,989 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:25,990 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,014 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,014 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,015 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,015 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,015 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,016 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,016 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,061 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_create_harness.i[229089,229102] [2025-03-08 18:05:26,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:05:26,093 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 18:05:26,105 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_create_harness.i[4495,4508] [2025-03-08 18:05:26,109 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_create_harness.i[4555,4568] [2025-03-08 18:05:26,149 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,150 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,150 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,150 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,151 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,156 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,156 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,157 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,157 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,157 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,158 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,158 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,158 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,263 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7576-7587] [2025-03-08 18:05:26,335 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,335 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,342 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,343 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,345 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,345 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,354 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,354 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,354 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,355 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,355 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,355 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,355 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:26,374 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_create_harness.i[229089,229102] [2025-03-08 18:05:26,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:05:26,567 INFO L204 MainTranslator]: Completed translation [2025-03-08 18:05:26,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:26 WrapperNode [2025-03-08 18:05:26,568 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 18:05:26,569 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 18:05:26,569 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 18:05:26,569 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 18:05:26,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:26" (1/1) ... [2025-03-08 18:05:26,660 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:26" (1/1) ... [2025-03-08 18:05:26,722 INFO L138 Inliner]: procedures = 764, calls = 2484, calls flagged for inlining = 68, calls inlined = 21, statements flattened = 1368 [2025-03-08 18:05:26,723 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 18:05:26,723 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 18:05:26,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 18:05:26,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 18:05:26,731 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:26" (1/1) ... [2025-03-08 18:05:26,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:26" (1/1) ... [2025-03-08 18:05:26,744 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:26" (1/1) ... [2025-03-08 18:05:26,752 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-03-08 18:05:26,753 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:26" (1/1) ... [2025-03-08 18:05:26,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:26" (1/1) ... [2025-03-08 18:05:26,794 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:26" (1/1) ... [2025-03-08 18:05:26,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:26" (1/1) ... [2025-03-08 18:05:26,810 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:26" (1/1) ... [2025-03-08 18:05:26,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:26" (1/1) ... [2025-03-08 18:05:26,827 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 18:05:26,828 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 18:05:26,828 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 18:05:26,828 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 18:05:26,829 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:26" (1/1) ... [2025-03-08 18:05:26,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:05:26,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:05:26,854 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) [2025-03-08 18:05:26,856 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 [2025-03-08 18:05:26,875 INFO L130 BoogieDeclarations]: Found specification of procedure s_update_template_size [2025-03-08 18:05:26,875 INFO L138 BoogieDeclarations]: Found implementation of procedure s_update_template_size [2025-03-08 18:05:26,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2025-03-08 18:05:26,875 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2025-03-08 18:05:26,875 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2025-03-08 18:05:26,875 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-03-08 18:05:26,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-03-08 18:05:26,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 18:05:26,876 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 18:05:26,876 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 18:05:26,876 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-03-08 18:05:26,876 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-03-08 18:05:26,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2025-03-08 18:05:26,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-03-08 18:05:26,877 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_calloc [2025-03-08 18:05:26,877 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_calloc [2025-03-08 18:05:26,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-08 18:05:26,877 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-08 18:05:26,877 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-08 18:05:26,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 18:05:26,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 18:05:26,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2025-03-08 18:05:26,877 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_create [2025-03-08 18:05:26,877 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_create [2025-03-08 18:05:26,878 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-03-08 18:05:26,878 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-03-08 18:05:26,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 18:05:26,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 18:05:26,878 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-03-08 18:05:26,878 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-03-08 18:05:26,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-08 18:05:26,878 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-03-08 18:05:26,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-03-08 18:05:26,878 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2025-03-08 18:05:26,878 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2025-03-08 18:05:26,879 INFO L130 BoogieDeclarations]: Found specification of procedure s_emplace_item [2025-03-08 18:05:26,879 INFO L138 BoogieDeclarations]: Found implementation of procedure s_emplace_item [2025-03-08 18:05:26,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 18:05:26,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 18:05:26,879 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 18:05:26,879 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 18:05:26,879 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-08 18:05:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-08 18:05:26,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-03-08 18:05:26,880 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2025-03-08 18:05:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2025-03-08 18:05:26,880 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-03-08 18:05:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-03-08 18:05:26,880 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 18:05:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 18:05:26,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 18:05:26,880 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-08 18:05:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-08 18:05:26,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-03-08 18:05:26,880 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-03-08 18:05:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-03-08 18:05:26,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-03-08 18:05:26,880 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 18:05:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 18:05:26,880 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-08 18:05:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-08 18:05:26,880 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-08 18:05:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-08 18:05:26,880 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 18:05:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 18:05:26,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-08 18:05:26,880 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2025-03-08 18:05:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2025-03-08 18:05:26,880 INFO L130 BoogieDeclarations]: Found specification of procedure s_alloc_state [2025-03-08 18:05:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure s_alloc_state [2025-03-08 18:05:26,880 INFO L130 BoogieDeclarations]: Found specification of procedure uninterpreted_equals [2025-03-08 18:05:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure uninterpreted_equals [2025-03-08 18:05:26,880 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 18:05:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 18:05:26,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-08 18:05:26,880 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-03-08 18:05:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-03-08 18:05:27,255 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 18:05:27,258 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 18:05:27,317 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6947: havoc #t~malloc588.base, #t~malloc588.offset; [2025-03-08 18:05:27,336 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10008: havoc #t~mem1491.base, #t~mem1491.offset;havoc #t~short1492;havoc #t~mem1493.base, #t~mem1493.offset;havoc #t~ret1494;havoc #t~short1495; [2025-03-08 18:05:27,347 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 18:05:27,376 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10121: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-03-08 18:05:27,417 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6940: havoc bounded_calloc_#t~malloc587#1.base, bounded_calloc_#t~malloc587#1.offset;call ULTIMATE.dealloc(bounded_calloc_~#required_bytes~1#1.base, bounded_calloc_~#required_bytes~1#1.offset);havoc bounded_calloc_~#required_bytes~1#1.base, bounded_calloc_~#required_bytes~1#1.offset; [2025-03-08 18:05:27,417 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6955: havoc #t~ret589#1;havoc #t~ite591#1.base, #t~ite591#1.offset;havoc #t~ret590#1.base, #t~ret590#1.offset; [2025-03-08 18:05:27,545 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2643: havoc aws_round_up_to_power_of_two_#t~ret62#1; [2025-03-08 18:05:27,545 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9201: call ULTIMATE.dealloc(~#size~0#1.base, ~#size~0#1.offset);havoc ~#size~0#1.base, ~#size~0#1.offset; [2025-03-08 18:05:27,548 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6986: havoc #t~ret600.base, #t~ret600.offset; [2025-03-08 18:05:27,565 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9154-1: assume false; [2025-03-08 18:05:27,566 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9154-1: assume !false; [2025-03-08 18:05:27,575 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-08 18:05:27,577 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 18:05:27,593 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9115-1: assume false; [2025-03-08 18:05:27,593 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9115-1: assume !false; [2025-03-08 18:05:27,593 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7373: havoc uninterpreted_hasher_#t~ret689#1; [2025-03-08 18:05:27,611 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7356: havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1; [2025-03-08 18:05:27,611 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7287: havoc nondet_compare_#t~ret677#1; [2025-03-08 18:05:27,611 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-08 18:05:27,712 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9524: call ULTIMATE.dealloc(~#entry~4#1.base, ~#entry~4#1.offset);havoc ~#entry~4#1.base, ~#entry~4#1.offset;call ULTIMATE.dealloc(~#probe_idx~1#1.base, ~#probe_idx~1#1.offset);havoc ~#probe_idx~1#1.base, ~#probe_idx~1#1.offset;call ULTIMATE.dealloc(~#ignored~0#1.base, ~#ignored~0#1.offset);havoc ~#ignored~0#1.base, ~#ignored~0#1.offset;call ULTIMATE.dealloc(~#incr_entry_count~0#1.base, ~#incr_entry_count~0#1.offset);havoc ~#incr_entry_count~0#1.base, ~#incr_entry_count~0#1.offset;call ULTIMATE.dealloc(~#new_entry~0#1.base, ~#new_entry~0#1.offset);havoc ~#new_entry~0#1.base, ~#new_entry~0#1.offset; [2025-03-08 18:05:27,712 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9486: call ULTIMATE.dealloc(s_expand_table_~#template~1#1.base, s_expand_table_~#template~1#1.offset);havoc s_expand_table_~#template~1#1.base, s_expand_table_~#template~1#1.offset;call ULTIMATE.dealloc(s_expand_table_~#new_size~0#1.base, s_expand_table_~#new_size~0#1.offset);havoc s_expand_table_~#new_size~0#1.base, s_expand_table_~#new_size~0#1.offset; [2025-03-08 18:05:27,741 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9141: havoc #t~ret1142; [2025-03-08 18:05:27,861 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7009: call ULTIMATE.dealloc(aws_mem_calloc_~#required_bytes~2#1.base, aws_mem_calloc_~#required_bytes~2#1.offset);havoc aws_mem_calloc_~#required_bytes~2#1.base, aws_mem_calloc_~#required_bytes~2#1.offset; [2025-03-08 18:05:27,862 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9172: call ULTIMATE.dealloc(~#required_bytes~3#1.base, ~#required_bytes~3#1.offset);havoc ~#required_bytes~3#1.base, ~#required_bytes~3#1.offset; [2025-03-08 18:05:27,957 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9437-1: assume false; [2025-03-08 18:05:27,957 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9437-1: assume !false; [2025-03-08 18:05:27,957 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9478-1: assume false; [2025-03-08 18:05:27,957 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9478-1: assume !false; [2025-03-08 18:05:28,043 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9345: havoc #t~ret1203#1; [2025-03-08 18:05:28,067 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-03-08 18:05:28,086 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-08 18:05:33,203 INFO L1307 $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; [2025-03-08 18:05:33,203 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6843: havoc hash_table_state_has_an_empty_slot_#t~mem571#1; [2025-03-08 18:05:33,352 INFO L? ?]: Removed 393 outVars from TransFormulas that were not future-live. [2025-03-08 18:05:33,352 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 18:05:33,386 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 18:05:33,387 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 18:05:33,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:05:33 BoogieIcfgContainer [2025-03-08 18:05:33,387 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 18:05:33,389 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 18:05:33,389 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 18:05:33,394 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 18:05:33,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:05:23" (1/3) ... [2025-03-08 18:05:33,395 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@134c9390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:05:33, skipping insertion in model container [2025-03-08 18:05:33,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:26" (2/3) ... [2025-03-08 18:05:33,395 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@134c9390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:05:33, skipping insertion in model container [2025-03-08 18:05:33,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:05:33" (3/3) ... [2025-03-08 18:05:33,396 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_create_harness.i [2025-03-08 18:05:33,407 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 18:05:33,408 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_create_harness.i that has 31 procedures, 399 locations, 1 initial locations, 7 loop locations, and 1 error locations. [2025-03-08 18:05:33,457 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 18:05:33,469 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;@4e4f19e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 18:05:33,469 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 18:05:33,473 INFO L276 IsEmpty]: Start isEmpty. Operand has 399 states, 285 states have (on average 1.3017543859649123) internal successors, (371), 282 states have internal predecessors, (371), 86 states have call successors, (86), 30 states have call predecessors, (86), 30 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2025-03-08 18:05:33,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-03-08 18:05:33,484 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:05:33,485 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2025-03-08 18:05:33,485 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:05:33,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:05:33,490 INFO L85 PathProgramCache]: Analyzing trace with hash -2053792542, now seen corresponding path program 1 times [2025-03-08 18:05:33,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:05:33,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900741407] [2025-03-08 18:05:33,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:05:33,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:05:38,130 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-08 18:05:38,448 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-08 18:05:38,449 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:05:38,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:05:39,759 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2025-03-08 18:05:39,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:05:39,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900741407] [2025-03-08 18:05:39,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900741407] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:05:39,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 18:05:39,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 18:05:39,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465329009] [2025-03-08 18:05:39,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:05:39,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 18:05:39,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:05:39,783 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 18:05:39,784 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 18:05:39,787 INFO L87 Difference]: Start difference. First operand has 399 states, 285 states have (on average 1.3017543859649123) internal successors, (371), 282 states have internal predecessors, (371), 86 states have call successors, (86), 30 states have call predecessors, (86), 30 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2025-03-08 18:05:40,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:05:40,576 INFO L93 Difference]: Finished difference Result 797 states and 1149 transitions. [2025-03-08 18:05:40,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 18:05:40,579 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 124 [2025-03-08 18:05:40,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:05:40,591 INFO L225 Difference]: With dead ends: 797 [2025-03-08 18:05:40,591 INFO L226 Difference]: Without dead ends: 396 [2025-03-08 18:05:40,596 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 [2025-03-08 18:05:40,598 INFO L435 NwaCegarLoop]: 517 mSDtfsCounter, 0 mSDsluCounter, 1547 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2064 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-08 18:05:40,598 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2064 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-08 18:05:40,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2025-03-08 18:05:40,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2025-03-08 18:05:40,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 278 states have (on average 1.2841726618705036) internal successors, (357), 280 states have internal predecessors, (357), 86 states have call successors, (86), 30 states have call predecessors, (86), 31 states have return successors, (88), 85 states have call predecessors, (88), 84 states have call successors, (88) [2025-03-08 18:05:40,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 531 transitions. [2025-03-08 18:05:40,661 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 531 transitions. Word has length 124 [2025-03-08 18:05:40,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:05:40,662 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 531 transitions. [2025-03-08 18:05:40,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2025-03-08 18:05:40,662 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 531 transitions. [2025-03-08 18:05:40,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-03-08 18:05:40,665 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:05:40,665 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2025-03-08 18:05:40,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 18:05:40,666 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:05:40,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:05:40,666 INFO L85 PathProgramCache]: Analyzing trace with hash -667232171, now seen corresponding path program 1 times [2025-03-08 18:05:40,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:05:40,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943555173] [2025-03-08 18:05:40,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:05:40,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:05:44,617 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-03-08 18:05:44,755 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-03-08 18:05:44,756 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:05:44,756 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:05:46,162 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2025-03-08 18:05:46,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:05:46,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943555173] [2025-03-08 18:05:46,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943555173] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:05:46,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 18:05:46,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 18:05:46,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884204268] [2025-03-08 18:05:46,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:05:46,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 18:05:46,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:05:46,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 18:05:46,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-08 18:05:46,166 INFO L87 Difference]: Start difference. First operand 396 states and 531 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2025-03-08 18:05:46,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:05:46,922 INFO L93 Difference]: Finished difference Result 778 states and 1043 transitions. [2025-03-08 18:05:46,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 18:05:46,922 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 130 [2025-03-08 18:05:46,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:05:46,926 INFO L225 Difference]: With dead ends: 778 [2025-03-08 18:05:46,926 INFO L226 Difference]: Without dead ends: 396 [2025-03-08 18:05:46,928 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-08 18:05:46,928 INFO L435 NwaCegarLoop]: 504 mSDtfsCounter, 23 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 1466 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-08 18:05:46,929 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 1466 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-08 18:05:46,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2025-03-08 18:05:46,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2025-03-08 18:05:46,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 278 states have (on average 1.2805755395683454) internal successors, (356), 280 states have internal predecessors, (356), 86 states have call successors, (86), 30 states have call predecessors, (86), 31 states have return successors, (88), 85 states have call predecessors, (88), 84 states have call successors, (88) [2025-03-08 18:05:46,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 530 transitions. [2025-03-08 18:05:46,950 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 530 transitions. Word has length 130 [2025-03-08 18:05:46,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:05:46,951 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 530 transitions. [2025-03-08 18:05:46,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2025-03-08 18:05:46,951 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 530 transitions. [2025-03-08 18:05:46,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-03-08 18:05:46,953 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:05:46,953 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2025-03-08 18:05:46,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 18:05:46,953 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:05:46,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:05:46,953 INFO L85 PathProgramCache]: Analyzing trace with hash -458533868, now seen corresponding path program 1 times [2025-03-08 18:05:46,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:05:46,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565489947] [2025-03-08 18:05:46,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:05:46,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:05:50,714 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-03-08 18:05:50,825 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-03-08 18:05:50,826 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:05:50,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:05:54,719 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2025-03-08 18:05:54,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:05:54,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565489947] [2025-03-08 18:05:54,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565489947] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:05:54,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 18:05:54,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-08 18:05:54,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192769200] [2025-03-08 18:05:54,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:05:54,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-08 18:05:54,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:05:54,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-08 18:05:54,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-08 18:05:54,722 INFO L87 Difference]: Start difference. First operand 396 states and 530 transitions. Second operand has 10 states, 10 states have (on average 6.1) internal successors, (61), 9 states have internal predecessors, (61), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2025-03-08 18:05:58,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 18:06:03,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 18:06:07,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 18:06:12,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 18:06:18,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:06:18,562 INFO L93 Difference]: Finished difference Result 774 states and 1035 transitions. [2025-03-08 18:06:18,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-08 18:06:18,568 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.1) internal successors, (61), 9 states have internal predecessors, (61), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 130 [2025-03-08 18:06:18,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:06:18,571 INFO L225 Difference]: With dead ends: 774 [2025-03-08 18:06:18,571 INFO L226 Difference]: Without dead ends: 399 [2025-03-08 18:06:18,572 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-03-08 18:06:18,577 INFO L435 NwaCegarLoop]: 502 mSDtfsCounter, 5 mSDsluCounter, 2827 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 3329 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2025-03-08 18:06:18,577 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 3329 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 306 Invalid, 4 Unknown, 0 Unchecked, 23.2s Time] [2025-03-08 18:06:18,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2025-03-08 18:06:18,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2025-03-08 18:06:18,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 280 states have (on average 1.2785714285714285) internal successors, (358), 283 states have internal predecessors, (358), 86 states have call successors, (86), 30 states have call predecessors, (86), 32 states have return successors, (89), 85 states have call predecessors, (89), 84 states have call successors, (89) [2025-03-08 18:06:18,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 533 transitions. [2025-03-08 18:06:18,594 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 533 transitions. Word has length 130 [2025-03-08 18:06:18,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:06:18,595 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 533 transitions. [2025-03-08 18:06:18,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.1) internal successors, (61), 9 states have internal predecessors, (61), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2025-03-08 18:06:18,595 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 533 transitions. [2025-03-08 18:06:18,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-03-08 18:06:18,596 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:06:18,597 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2025-03-08 18:06:18,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 18:06:18,597 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:06:18,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:06:18,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1775146737, now seen corresponding path program 1 times [2025-03-08 18:06:18,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:06:18,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239643370] [2025-03-08 18:06:18,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:06:18,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:06:22,308 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-03-08 18:06:22,414 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-03-08 18:06:22,414 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:06:22,414 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:06:25,267 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-03-08 18:06:25,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:06:25,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239643370] [2025-03-08 18:06:25,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239643370] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:06:25,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013751198] [2025-03-08 18:06:25,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:06:25,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:06:25,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:06:25,270 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) [2025-03-08 18:06:25,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 18:06:29,755 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-03-08 18:06:30,226 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-03-08 18:06:30,226 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:06:30,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:06:30,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 4440 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-08 18:06:30,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:06:36,207 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$.offset| v_aws_hash_table_is_valid_~map.base_4) v_aws_hash_table_is_valid_~map.offset_4) 0))) (exists ((v_aws_hash_table_is_valid_~map.base_4 Int) (v_aws_hash_table_is_valid_~map.offset_4 Int)) (not (= (select (select |c_#memory_$Pointer$.base| v_aws_hash_table_is_valid_~map.base_4) v_aws_hash_table_is_valid_~map.offset_4) 0)))) is different from true [2025-03-08 18:06:45,271 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-03-08 18:06:45,272 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:06:45,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2013751198] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:06:45,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:06:45,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2025-03-08 18:06:45,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206922716] [2025-03-08 18:06:45,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:06:45,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-08 18:06:45,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:06:45,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-08 18:06:45,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=105, Unknown=3, NotChecked=20, Total=156 [2025-03-08 18:06:45,273 INFO L87 Difference]: Start difference. First operand 399 states and 533 transitions. Second operand has 8 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2025-03-08 18:06:49,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-08 18:06:53,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []