./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness_negated.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 0fab62036dd25c3674c8ec0542f70812f6d73d79fd4d93da30f7cca1332abb4e --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:55:52,039 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:55:52,089 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:55:52,095 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:55:52,096 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:55:52,109 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:55:52,110 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:55:52,110 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:55:52,111 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:55:52,111 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:55:52,111 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:55:52,112 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:55:52,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:55:52,112 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:55:52,112 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:55:52,112 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:55:52,112 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:55:52,113 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:55:52,113 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:55:52,113 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:55:52,113 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:55:52,113 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:55:52,113 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:55:52,113 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:55:52,113 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:55:52,113 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:55:52,113 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:55:52,114 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:55:52,114 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:55:52,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:55:52,114 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:55:52,114 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:55:52,114 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:55:52,115 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:55:52,115 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:55:52,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:55:52,115 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:55:52,115 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:55:52,115 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:55:52,115 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:55:52,115 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 -> 0fab62036dd25c3674c8ec0542f70812f6d73d79fd4d93da30f7cca1332abb4e [2025-03-04 02:55:52,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:55:52,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:55:52,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:55:52,339 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:55:52,339 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:55:52,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness_negated.i [2025-03-04 02:55:53,444 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15bf5c8d9/043b6413e9534c6fb37bdf760682abfe/FLAG26fd9b5de [2025-03-04 02:55:53,980 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:55:53,981 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness_negated.i [2025-03-04 02:55:54,012 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15bf5c8d9/043b6413e9534c6fb37bdf760682abfe/FLAG26fd9b5de [2025-03-04 02:55:54,025 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15bf5c8d9/043b6413e9534c6fb37bdf760682abfe [2025-03-04 02:55:54,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:55:54,028 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:55:54,029 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:55:54,029 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:55:54,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:55:54,033 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:55:54" (1/1) ... [2025-03-04 02:55:54,034 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@afe77fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:55:54, skipping insertion in model container [2025-03-04 02:55:54,034 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:55:54" (1/1) ... [2025-03-04 02:55:54,108 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:55:54,324 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness_negated.i[4493,4506] [2025-03-04 02:55:54,332 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness_negated.i[4553,4566] [2025-03-04 02:55:55,683 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:55,683 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:55,684 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:55,684 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:55,685 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:55,694 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:55,694 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:55,695 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:55,695 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:55,696 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:55,697 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:55,697 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:55,697 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,283 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,284 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,301 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,302 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,307 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,308 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,321 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,322 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,323 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,323 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,323 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,323 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,324 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,385 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness_negated.i[227802,227815] [2025-03-04 02:55:56,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:55:56,412 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:55:56,420 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness_negated.i[4493,4506] [2025-03-04 02:55:56,422 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness_negated.i[4553,4566] [2025-03-04 02:55:56,458 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,458 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,458 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,459 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,459 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,465 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,466 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,466 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,466 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,467 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,467 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,468 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,468 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,527 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] [2025-03-04 02:55:56,576 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,577 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,582 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,582 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,584 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,584 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,591 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,591 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,592 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,592 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,593 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,593 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,593 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:56,605 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness_negated.i[227802,227815] [2025-03-04 02:55:56,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:55:56,753 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:55:56,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:55:56 WrapperNode [2025-03-04 02:55:56,754 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:55:56,755 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:55:56,755 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:55:56,755 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:55:56,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:55:56" (1/1) ... [2025-03-04 02:55:56,838 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:55:56" (1/1) ... [2025-03-04 02:55:56,883 INFO L138 Inliner]: procedures = 763, calls = 2427, calls flagged for inlining = 70, calls inlined = 12, statements flattened = 620 [2025-03-04 02:55:56,883 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:55:56,884 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:55:56,884 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:55:56,884 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:55:56,891 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:55:56" (1/1) ... [2025-03-04 02:55:56,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:55:56" (1/1) ... [2025-03-04 02:55:56,896 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:55:56" (1/1) ... [2025-03-04 02:55:56,947 INFO L175 MemorySlicer]: Split 281 memory accesses to 8 slices as follows [2, 238, 6, 8, 2, 17, 3, 5]. 85 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 6, 0, 0, 0, 0, 0, 5]. The 240 writes are split as follows [0, 232, 2, 3, 1, 1, 1, 0]. [2025-03-04 02:55:56,950 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:55:56" (1/1) ... [2025-03-04 02:55:56,950 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:55:56" (1/1) ... [2025-03-04 02:55:56,970 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:55:56" (1/1) ... [2025-03-04 02:55:56,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:55:56" (1/1) ... [2025-03-04 02:55:56,979 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:55:56" (1/1) ... [2025-03-04 02:55:56,981 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:55:56" (1/1) ... [2025-03-04 02:55:56,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:55:56,996 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:55:56,996 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:55:56,996 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:55:56,997 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:55:56" (1/1) ... [2025-03-04 02:55:57,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:55:57,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:55:57,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 02:55:57,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 02:55:57,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-04 02:55:57,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-04 02:55:57,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 02:55:57,041 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:55:57,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-03-04 02:55:57,041 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-03-04 02:55:57,041 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 02:55:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 02:55:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 02:55:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:55:57,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:55:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:55:57,042 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:55:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-04 02:55:57,042 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-04 02:55:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:55:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:55:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:55:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:55:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:55:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 02:55:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 02:55:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 02:55:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-04 02:55:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-04 02:55:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-04 02:55:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-04 02:55:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-04 02:55:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-04 02:55:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-04 02:55:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-04 02:55:57,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-04 02:55:57,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-04 02:55:57,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-04 02:55:57,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-04 02:55:57,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-04 02:55:57,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-04 02:55:57,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-04 02:55:57,045 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-04 02:55:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:55:57,045 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:55:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:55:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-04 02:55:57,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-04 02:55:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-03-04 02:55:57,046 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-04 02:55:57,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-04 02:55:57,046 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 02:55:57,046 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 02:55:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-03-04 02:55:57,046 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-03-04 02:55:57,286 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:55:57,288 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:55:57,319 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc588.base, #t~malloc588.offset; [2025-03-04 02:55:57,346 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-04 02:55:57,347 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 02:55:57,504 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10069: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-03-04 02:55:57,526 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9956: havoc #t~mem1489.base, #t~mem1489.offset;havoc #t~short1490;havoc #t~mem1491.base, #t~mem1491.offset;havoc #t~ret1492;havoc #t~short1493; [2025-03-04 02:55:57,554 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-03-04 02:55:57,564 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-04 02:56:02,578 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-04 02:56:02,633 INFO L? ?]: Removed 149 outVars from TransFormulas that were not future-live. [2025-03-04 02:56:02,633 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:56:02,648 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:56:02,649 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:56:02,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:56:02 BoogieIcfgContainer [2025-03-04 02:56:02,650 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:56:02,652 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:56:02,652 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:56:02,655 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:56:02,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:55:54" (1/3) ... [2025-03-04 02:56:02,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a925cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:56:02, skipping insertion in model container [2025-03-04 02:56:02,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:55:56" (2/3) ... [2025-03-04 02:56:02,657 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a925cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:56:02, skipping insertion in model container [2025-03-04 02:56:02,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:56:02" (3/3) ... [2025-03-04 02:56:02,658 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_move_harness_negated.i [2025-03-04 02:56:02,667 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:56:02,669 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_move_harness_negated.i that has 22 procedures, 160 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-03-04 02:56:02,710 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:56:02,718 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;@3c1c8f68, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:56:02,718 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:56:02,721 INFO L276 IsEmpty]: Start isEmpty. Operand has 132 states, 85 states have (on average 1.188235294117647) internal successors, (101), 85 states have internal predecessors, (101), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2025-03-04 02:56:02,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2025-03-04 02:56:02,728 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:56:02,729 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:56:02,729 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:56:02,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:56:02,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1264834228, now seen corresponding path program 1 times [2025-03-04 02:56:02,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:56:02,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259845155] [2025-03-04 02:56:02,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:56:02,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:56:06,919 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-03-04 02:56:07,179 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-03-04 02:56:07,179 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:56:07,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:56:07,653 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2025-03-04 02:56:07,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:56:07,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259845155] [2025-03-04 02:56:07,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259845155] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:56:07,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554048001] [2025-03-04 02:56:07,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:56:07,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:56:07,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:56:07,658 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 02:56:07,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 02:56:11,996 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-03-04 02:56:12,553 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-03-04 02:56:12,553 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:56:12,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:56:12,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 4416 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 02:56:12,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:56:12,602 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2025-03-04 02:56:12,602 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 02:56:12,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554048001] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:56:12,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 02:56:12,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-04 02:56:12,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951031909] [2025-03-04 02:56:12,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:56:12,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 02:56:12,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:56:12,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 02:56:12,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 02:56:12,629 INFO L87 Difference]: Start difference. First operand has 132 states, 85 states have (on average 1.188235294117647) internal successors, (101), 85 states have internal predecessors, (101), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-04 02:56:12,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:56:12,666 INFO L93 Difference]: Finished difference Result 256 states and 343 transitions. [2025-03-04 02:56:12,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 02:56:12,668 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 141 [2025-03-04 02:56:12,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:56:12,674 INFO L225 Difference]: With dead ends: 256 [2025-03-04 02:56:12,674 INFO L226 Difference]: Without dead ends: 126 [2025-03-04 02:56:12,677 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 02:56:12,679 INFO L435 NwaCegarLoop]: 159 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, 159 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 02:56:12,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 159 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 02:56:12,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2025-03-04 02:56:12,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2025-03-04 02:56:12,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 79 states have (on average 1.1518987341772151) internal successors, (91), 80 states have internal predecessors, (91), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-03-04 02:56:12,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 154 transitions. [2025-03-04 02:56:12,715 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 154 transitions. Word has length 141 [2025-03-04 02:56:12,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:56:12,716 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 154 transitions. [2025-03-04 02:56:12,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-04 02:56:12,717 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 154 transitions. [2025-03-04 02:56:12,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2025-03-04 02:56:12,721 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:56:12,721 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:56:12,736 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 02:56:12,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-04 02:56:12,922 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:56:12,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:56:12,926 INFO L85 PathProgramCache]: Analyzing trace with hash 571602769, now seen corresponding path program 1 times [2025-03-04 02:56:12,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:56:12,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384083684] [2025-03-04 02:56:12,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:56:12,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:56:16,943 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-03-04 02:56:17,066 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-03-04 02:56:17,066 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:56:17,066 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:56:18,169 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2025-03-04 02:56:18,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:56:18,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384083684] [2025-03-04 02:56:18,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384083684] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:56:18,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555034135] [2025-03-04 02:56:18,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:56:18,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:56:18,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:56:18,175 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 02:56:18,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 02:56:22,511 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-03-04 02:56:22,975 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-03-04 02:56:22,976 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:56:22,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:56:22,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 4441 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 02:56:23,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:56:23,135 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2025-03-04 02:56:23,136 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 02:56:23,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [555034135] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:56:23,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 02:56:23,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2025-03-04 02:56:23,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374200245] [2025-03-04 02:56:23,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:56:23,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 02:56:23,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:56:23,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 02:56:23,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 02:56:23,139 INFO L87 Difference]: Start difference. First operand 126 states and 154 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-04 02:56:23,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:56:23,376 INFO L93 Difference]: Finished difference Result 245 states and 300 transitions. [2025-03-04 02:56:23,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 02:56:23,380 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 147 [2025-03-04 02:56:23,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:56:23,381 INFO L225 Difference]: With dead ends: 245 [2025-03-04 02:56:23,381 INFO L226 Difference]: Without dead ends: 131 [2025-03-04 02:56:23,382 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 02:56:23,385 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 596 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 [2025-03-04 02:56:23,387 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 596 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 02:56:23,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2025-03-04 02:56:23,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2025-03-04 02:56:23,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 83 states have (on average 1.144578313253012) internal successors, (95), 84 states have internal predecessors, (95), 32 states have call successors, (32), 14 states have call predecessors, (32), 15 states have return successors, (32), 32 states have call predecessors, (32), 31 states have call successors, (32) [2025-03-04 02:56:23,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 159 transitions. [2025-03-04 02:56:23,403 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 159 transitions. Word has length 147 [2025-03-04 02:56:23,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:56:23,404 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 159 transitions. [2025-03-04 02:56:23,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-04 02:56:23,404 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 159 transitions. [2025-03-04 02:56:23,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2025-03-04 02:56:23,406 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:56:23,406 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-04 02:56:23,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-04 02:56:23,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-04 02:56:23,610 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:56:23,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:56:23,611 INFO L85 PathProgramCache]: Analyzing trace with hash 966314289, now seen corresponding path program 1 times [2025-03-04 02:56:23,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:56:23,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251723909] [2025-03-04 02:56:23,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:56:23,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:56:27,289 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-03-04 02:56:27,403 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-03-04 02:56:27,403 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:56:27,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:56:31,213 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2025-03-04 02:56:31,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:56:31,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251723909] [2025-03-04 02:56:31,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251723909] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:56:31,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586842346] [2025-03-04 02:56:31,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:56:31,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:56:31,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:56:31,215 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 02:56:31,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 02:56:35,532 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-03-04 02:56:35,941 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-03-04 02:56:35,942 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:56:35,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:56:35,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 4449 conjuncts, 76 conjuncts are in the unsatisfiable core [2025-03-04 02:56:35,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:56:37,570 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 [2025-03-04 02:56:44,984 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2025-03-04 02:56:44,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2025-03-04 02:56:47,770 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2025-03-04 02:56:47,770 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 02:56:47,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586842346] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:56:47,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 02:56:47,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [10] total 22 [2025-03-04 02:56:47,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99879112] [2025-03-04 02:56:47,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:56:47,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-04 02:56:47,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:56:47,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-04 02:56:47,772 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=395, Unknown=0, NotChecked=0, Total=462 [2025-03-04 02:56:47,772 INFO L87 Difference]: Start difference. First operand 131 states and 159 transitions. Second operand has 15 states, 15 states have (on average 5.2) internal successors, (78), 14 states have internal predecessors, (78), 8 states have call successors, (26), 4 states have call predecessors, (26), 5 states have return successors, (25), 9 states have call predecessors, (25), 7 states have call successors, (25) [2025-03-04 02:56:53,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 02:56:57,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2025-03-04 02:57:03,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 02:57:07,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 02:57:11,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 02:57:16,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 02:57:20,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]