./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_find_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_find_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 f75d0ef33a31287833e190b2032d34d4d62b29cbbc430e756e509abfe84aec7a --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:54:20,601 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:54:20,650 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:54:20,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:54:20,657 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:54:20,674 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:54:20,675 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:54:20,675 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:54:20,677 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:54:20,677 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:54:20,678 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:54:20,678 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:54:20,678 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:54:20,678 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:54:20,678 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:54:20,679 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:54:20,679 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:54:20,679 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:54:20,679 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:54:20,679 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:54:20,679 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:54:20,679 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:54:20,679 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:54:20,680 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:54:20,680 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:54:20,680 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:54:20,680 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:54:20,680 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:54:20,680 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:54:20,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:54:20,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:54:20,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:54:20,681 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:54:20,681 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:54:20,681 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:54:20,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:54:20,681 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:54:20,681 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:54:20,681 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:54:20,681 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:54:20,681 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 -> f75d0ef33a31287833e190b2032d34d4d62b29cbbc430e756e509abfe84aec7a [2025-03-04 02:54:20,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:54:20,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:54:20,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:54:20,946 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:54:20,946 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:54:20,947 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness_negated.i [2025-03-04 02:54:22,104 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80702eb22/577b43ca696844f1a24988e04a3bf21e/FLAG44777f0f7 [2025-03-04 02:54:22,567 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:54:22,568 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness_negated.i [2025-03-04 02:54:22,605 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80702eb22/577b43ca696844f1a24988e04a3bf21e/FLAG44777f0f7 [2025-03-04 02:54:22,674 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80702eb22/577b43ca696844f1a24988e04a3bf21e [2025-03-04 02:54:22,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:54:22,676 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:54:22,677 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:54:22,678 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:54:22,680 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:54:22,681 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:54:22" (1/1) ... [2025-03-04 02:54:22,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41ba7e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:22, skipping insertion in model container [2025-03-04 02:54:22,683 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:54:22" (1/1) ... [2025-03-04 02:54:22,765 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:54:22,968 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_find_harness_negated.i[4493,4506] [2025-03-04 02:54:22,977 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_find_harness_negated.i[4553,4566] [2025-03-04 02:54:23,568 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,569 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,569 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,570 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,570 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,579 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,579 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,581 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,581 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,582 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,583 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,583 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,583 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,237 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,237 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,267 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,268 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,274 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,275 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,292 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,293 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,293 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,293 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,293 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,294 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,294 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,326 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_find_harness_negated.i[228314,228327] [2025-03-04 02:54:24,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:54:24,354 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:54:24,364 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_find_harness_negated.i[4493,4506] [2025-03-04 02:54:24,364 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_find_harness_negated.i[4553,4566] [2025-03-04 02:54:24,402 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,403 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,404 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,404 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,404 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,407 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,410 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,410 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,410 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,411 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,411 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,411 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,411 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,473 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] [2025-03-04 02:54:24,587 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,587 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,593 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,593 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,595 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,595 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,600 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,601 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,601 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,601 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,601 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,601 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,602 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,619 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_find_harness_negated.i[228314,228327] [2025-03-04 02:54:24,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:54:24,774 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:54:24,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:24 WrapperNode [2025-03-04 02:54:24,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:54:24,775 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:54:24,776 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:54:24,776 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:54:24,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:24" (1/1) ... [2025-03-04 02:54:24,861 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:24" (1/1) ... [2025-03-04 02:54:24,907 INFO L138 Inliner]: procedures = 763, calls = 2450, calls flagged for inlining = 70, calls inlined = 20, statements flattened = 867 [2025-03-04 02:54:24,908 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:54:24,908 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:54:24,908 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:54:24,908 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:54:24,916 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:24" (1/1) ... [2025-03-04 02:54:24,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:24" (1/1) ... [2025-03-04 02:54:24,924 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:24" (1/1) ... [2025-03-04 02:54:24,988 INFO L175 MemorySlicer]: Split 315 memory accesses to 12 slices as follows [238, 2, 1, 6, 6, 3, 3, 4, 9, 2, 36, 5]. 76 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [6, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5]. The 249 writes are split as follows [232, 0, 1, 2, 2, 1, 3, 3, 1, 1, 3, 0]. [2025-03-04 02:54:24,992 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:24" (1/1) ... [2025-03-04 02:54:24,992 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:24" (1/1) ... [2025-03-04 02:54:25,033 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:24" (1/1) ... [2025-03-04 02:54:25,035 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:24" (1/1) ... [2025-03-04 02:54:25,052 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:24" (1/1) ... [2025-03-04 02:54:25,059 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:24" (1/1) ... [2025-03-04 02:54:25,076 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:54:25,077 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:54:25,077 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:54:25,077 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:54:25,078 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:24" (1/1) ... [2025-03-04 02:54:25,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:54:25,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:54:25,106 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 02:54:25,109 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 02:54:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-04 02:54:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-04 02:54:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-04 02:54:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-04 02:54:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-04 02:54:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-04 02:54:25,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-04 02:54:25,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-03-04 02:54:25,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-03-04 02:54:25,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-03-04 02:54:25,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2025-03-04 02:54:25,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2025-03-04 02:54:25,128 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2025-03-04 02:54:25,128 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2025-03-04 02:54:25,129 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-03-04 02:54:25,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-03-04 02:54:25,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:54:25,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:54:25,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:54:25,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:54:25,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:54:25,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 02:54:25,130 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:54:25,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-03-04 02:54:25,130 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-03-04 02:54:25,130 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 02:54:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 02:54:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-04 02:54:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-04 02:54:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-04 02:54:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-04 02:54:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-03-04 02:54:25,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-03-04 02:54:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2025-03-04 02:54:25,131 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2025-03-04 02:54:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:54:25,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:54:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:54:25,131 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:54:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-04 02:54:25,131 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-04 02:54:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:54:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:54:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:54:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:54:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:54:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 02:54:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 02:54:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 02:54:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-04 02:54:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-04 02:54:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-04 02:54:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-04 02:54:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2025-03-04 02:54:25,131 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2025-03-04 02:54:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:54:25,131 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:54:25,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:54:25,134 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-04 02:54:25,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-04 02:54:25,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-03-04 02:54:25,135 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-04 02:54:25,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-04 02:54:25,135 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 02:54:25,135 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_find [2025-03-04 02:54:25,135 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_find [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 02:54:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-04 02:54:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-04 02:54:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-04 02:54:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-04 02:54:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2025-03-04 02:54:25,136 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2025-03-04 02:54:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure uninterpreted_equals [2025-03-04 02:54:25,136 INFO L138 BoogieDeclarations]: Found implementation of procedure uninterpreted_equals [2025-03-04 02:54:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-04 02:54:25,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-04 02:54:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:54:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:54:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:54:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:54:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:54:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 02:54:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 02:54:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 02:54:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-04 02:54:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-04 02:54:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-04 02:54:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-04 02:54:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-03-04 02:54:25,136 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-03-04 02:54:25,496 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:54:25,498 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:54:25,525 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc588.base, #t~malloc588.offset; [2025-03-04 02:54:25,559 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9104-1: assume false; [2025-03-04 02:54:25,559 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9104-1: assume !false; [2025-03-04 02:54:25,578 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-04 02:54:25,580 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 02:54:25,685 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9293: havoc #t~ret1201#1; [2025-03-04 02:54:25,704 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9376-1: assume false; [2025-03-04 02:54:25,705 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9376-1: assume !false; [2025-03-04 02:54:25,725 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7341: havoc uninterpreted_hasher_#t~ret689#1; [2025-03-04 02:54:25,725 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9065-1: assume false; [2025-03-04 02:54:25,725 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9065-1: assume !false; [2025-03-04 02:54:25,758 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 02:54:25,780 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 02:54:25,796 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7328: havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1; [2025-03-04 02:54:25,796 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7271: havoc nondet_compare_#t~ret677#1; [2025-03-04 02:54:25,796 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-04 02:54:25,805 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9091: havoc #t~ret1140; [2025-03-04 02:54:25,819 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-03-04 02:54:25,830 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-04 02:54:30,940 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-04 02:54:30,940 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6821: 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; [2025-03-04 02:54:30,940 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6831: havoc hash_table_state_has_an_empty_slot_#t~mem571#1; [2025-03-04 02:54:31,010 INFO L? ?]: Removed 281 outVars from TransFormulas that were not future-live. [2025-03-04 02:54:31,011 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:54:31,035 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:54:31,036 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:54:31,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:54:31 BoogieIcfgContainer [2025-03-04 02:54:31,036 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:54:31,040 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:54:31,040 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:54:31,044 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:54:31,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:54:22" (1/3) ... [2025-03-04 02:54:31,044 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78558f0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:54:31, skipping insertion in model container [2025-03-04 02:54:31,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:24" (2/3) ... [2025-03-04 02:54:31,045 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78558f0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:54:31, skipping insertion in model container [2025-03-04 02:54:31,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:54:31" (3/3) ... [2025-03-04 02:54:31,045 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_find_harness_negated.i [2025-03-04 02:54:31,057 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:54:31,058 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_find_harness_negated.i that has 23 procedures, 264 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-03-04 02:54:31,109 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:54:31,118 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;@59e14fe7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:54:31,118 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:54:31,123 INFO L276 IsEmpty]: Start isEmpty. Operand has 264 states, 175 states have (on average 1.2342857142857142) internal successors, (216), 173 states have internal predecessors, (216), 68 states have call successors, (68), 22 states have call predecessors, (68), 22 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2025-03-04 02:54:31,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2025-03-04 02:54:31,134 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:54:31,134 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:54:31,135 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:54:31,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:54:31,138 INFO L85 PathProgramCache]: Analyzing trace with hash 115322286, now seen corresponding path program 1 times [2025-03-04 02:54:31,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:54:31,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794804344] [2025-03-04 02:54:31,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:54:31,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:54:35,546 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-03-04 02:54:35,860 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-03-04 02:54:35,860 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:54:35,860 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:54:36,318 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2025-03-04 02:54:36,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:54:36,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794804344] [2025-03-04 02:54:36,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794804344] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:54:36,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905476636] [2025-03-04 02:54:36,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:54:36,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:54:36,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:54:36,324 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 02:54:36,326 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 02:54:40,738 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-03-04 02:54:41,249 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-03-04 02:54:41,249 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:54:41,249 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:54:41,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 4655 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 02:54:41,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:54:41,304 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2025-03-04 02:54:41,304 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 02:54:41,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905476636] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:54:41,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 02:54:41,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-04 02:54:41,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233335365] [2025-03-04 02:54:41,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:54:41,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 02:54:41,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:54:41,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 02:54:41,323 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 02:54:41,325 INFO L87 Difference]: Start difference. First operand has 264 states, 175 states have (on average 1.2342857142857142) internal successors, (216), 173 states have internal predecessors, (216), 68 states have call successors, (68), 22 states have call predecessors, (68), 22 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) Second operand has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-03-04 02:54:41,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:54:41,437 INFO L93 Difference]: Finished difference Result 522 states and 749 transitions. [2025-03-04 02:54:41,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 02:54:41,439 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 184 [2025-03-04 02:54:41,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:54:41,447 INFO L225 Difference]: With dead ends: 522 [2025-03-04 02:54:41,447 INFO L226 Difference]: Without dead ends: 257 [2025-03-04 02:54:41,455 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 185 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 02:54:41,461 INFO L435 NwaCegarLoop]: 340 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 02:54:41,463 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 340 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 02:54:41,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2025-03-04 02:54:41,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2025-03-04 02:54:41,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 166 states have (on average 1.2228915662650603) internal successors, (203), 167 states have internal predecessors, (203), 68 states have call successors, (68), 22 states have call predecessors, (68), 22 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2025-03-04 02:54:41,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 338 transitions. [2025-03-04 02:54:41,530 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 338 transitions. Word has length 184 [2025-03-04 02:54:41,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:54:41,531 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 338 transitions. [2025-03-04 02:54:41,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-03-04 02:54:41,531 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 338 transitions. [2025-03-04 02:54:41,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2025-03-04 02:54:41,536 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:54:41,536 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:54:41,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-04 02:54:41,737 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 02:54:41,737 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:54:41,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:54:41,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1812560880, now seen corresponding path program 1 times [2025-03-04 02:54:41,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:54:41,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043916421] [2025-03-04 02:54:41,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:54:41,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:54:45,283 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-03-04 02:54:45,389 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-03-04 02:54:45,391 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:54:45,391 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:54:46,465 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2025-03-04 02:54:46,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:54:46,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043916421] [2025-03-04 02:54:46,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043916421] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:54:46,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068256478] [2025-03-04 02:54:46,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:54:46,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:54:46,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:54:46,468 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 02:54:46,469 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 02:54:50,776 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-03-04 02:54:51,242 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-03-04 02:54:51,243 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:54:51,243 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:54:51,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 4655 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 02:54:51,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:54:51,399 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2025-03-04 02:54:51,399 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 02:54:51,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068256478] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:54:51,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 02:54:51,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2025-03-04 02:54:51,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026722785] [2025-03-04 02:54:51,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:54:51,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 02:54:51,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:54:51,401 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 02:54:51,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 02:54:51,401 INFO L87 Difference]: Start difference. First operand 257 states and 338 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2025-03-04 02:54:51,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:54:51,764 INFO L93 Difference]: Finished difference Result 510 states and 670 transitions. [2025-03-04 02:54:51,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 02:54:51,765 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) Word has length 184 [2025-03-04 02:54:51,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:54:51,770 INFO L225 Difference]: With dead ends: 510 [2025-03-04 02:54:51,771 INFO L226 Difference]: Without dead ends: 262 [2025-03-04 02:54:51,773 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 185 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 02:54:51,773 INFO L435 NwaCegarLoop]: 331 mSDtfsCounter, 0 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1320 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 02:54:51,773 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1320 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 02:54:51,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2025-03-04 02:54:51,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 262. [2025-03-04 02:54:51,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 170 states have (on average 1.2176470588235293) internal successors, (207), 171 states have internal predecessors, (207), 68 states have call successors, (68), 22 states have call predecessors, (68), 23 states have return successors, (68), 68 states have call predecessors, (68), 67 states have call successors, (68) [2025-03-04 02:54:51,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 343 transitions. [2025-03-04 02:54:51,795 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 343 transitions. Word has length 184 [2025-03-04 02:54:51,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:54:51,795 INFO L471 AbstractCegarLoop]: Abstraction has 262 states and 343 transitions. [2025-03-04 02:54:51,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2025-03-04 02:54:51,796 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 343 transitions. [2025-03-04 02:54:51,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2025-03-04 02:54:51,797 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:54:51,798 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 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] [2025-03-04 02:54:51,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-04 02:54:51,998 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 02:54:51,999 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:54:51,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:54:51,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1136074990, now seen corresponding path program 1 times [2025-03-04 02:54:51,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:54:51,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042017566] [2025-03-04 02:54:51,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:54:51,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:54:55,873 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-03-04 02:54:55,969 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-03-04 02:54:55,969 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:54:55,969 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:54:59,579 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2025-03-04 02:54:59,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:54:59,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042017566] [2025-03-04 02:54:59,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042017566] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:54:59,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102192002] [2025-03-04 02:54:59,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:54:59,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:54:59,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:54:59,582 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 02:54:59,583 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 02:55:03,555 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-03-04 02:55:03,945 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-03-04 02:55:03,945 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:55:03,945 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:55:03,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 4663 conjuncts, 38 conjuncts are in the unsatisfiable core [2025-03-04 02:55:03,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:55:05,309 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 02:55:15,926 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2025-03-04 02:55:15,926 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 02:55:15,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102192002] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:55:15,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 02:55:15,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [10] total 20 [2025-03-04 02:55:15,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996124478] [2025-03-04 02:55:15,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:55:15,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-04 02:55:15,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:55:15,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-04 02:55:15,928 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2025-03-04 02:55:15,928 INFO L87 Difference]: Start difference. First operand 262 states and 343 transitions. Second operand has 13 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 states have internal predecessors, (94), 6 states have call successors, (33), 4 states have call predecessors, (33), 5 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) [2025-03-04 02:55:27,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:55:27,486 INFO L93 Difference]: Finished difference Result 567 states and 734 transitions. [2025-03-04 02:55:27,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-04 02:55:27,486 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 states have internal predecessors, (94), 6 states have call successors, (33), 4 states have call predecessors, (33), 5 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) Word has length 196 [2025-03-04 02:55:27,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:55:27,490 INFO L225 Difference]: With dead ends: 567 [2025-03-04 02:55:27,490 INFO L226 Difference]: Without dead ends: 323 [2025-03-04 02:55:27,491 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 165 SyntacticMatches, 22 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=92, Invalid=460, Unknown=0, NotChecked=0, Total=552 [2025-03-04 02:55:27,491 INFO L435 NwaCegarLoop]: 351 mSDtfsCounter, 254 mSDsluCounter, 2450 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 2801 SdHoareTripleChecker+Invalid, 1066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2025-03-04 02:55:27,492 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 2801 Invalid, 1066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2025-03-04 02:55:27,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2025-03-04 02:55:27,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 320. [2025-03-04 02:55:27,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 212 states have (on average 1.2028301886792452) internal successors, (255), 213 states have internal predecessors, (255), 74 states have call successors, (74), 31 states have call predecessors, (74), 33 states have return successors, (75), 75 states have call predecessors, (75), 73 states have call successors, (75) [2025-03-04 02:55:27,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 404 transitions. [2025-03-04 02:55:27,518 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 404 transitions. Word has length 196 [2025-03-04 02:55:27,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:55:27,519 INFO L471 AbstractCegarLoop]: Abstraction has 320 states and 404 transitions. [2025-03-04 02:55:27,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 states have internal predecessors, (94), 6 states have call successors, (33), 4 states have call predecessors, (33), 5 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) [2025-03-04 02:55:27,520 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 404 transitions. [2025-03-04 02:55:27,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2025-03-04 02:55:27,521 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:55:27,522 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 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] [2025-03-04 02:55:27,540 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-04 02:55:27,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:55:27,722 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:55:27,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:55:27,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1084012979, now seen corresponding path program 1 times [2025-03-04 02:55:27,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:55:27,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876173902] [2025-03-04 02:55:27,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:55:27,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:55:31,256 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-03-04 02:55:31,380 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-03-04 02:55:31,381 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:55:31,381 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:55:32,333 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2025-03-04 02:55:32,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:55:32,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876173902] [2025-03-04 02:55:32,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876173902] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:55:32,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294693262] [2025-03-04 02:55:32,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:55:32,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:55:32,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:55:32,337 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 02:55:32,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-04 02:55:36,546 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-03-04 02:55:36,935 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-03-04 02:55:36,935 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:55:36,935 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:55:36,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 4648 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-04 02:55:36,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:55:37,865 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2025-03-04 02:55:37,866 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 02:55:37,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [294693262] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:55:37,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 02:55:37,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-03-04 02:55:37,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870156233] [2025-03-04 02:55:37,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:55:37,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 02:55:37,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:55:37,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 02:55:37,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-03-04 02:55:37,868 INFO L87 Difference]: Start difference. First operand 320 states and 404 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2025-03-04 02:55:39,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:55:39,733 INFO L93 Difference]: Finished difference Result 568 states and 730 transitions. [2025-03-04 02:55:39,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 02:55:39,734 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 196 [2025-03-04 02:55:39,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:55:39,736 INFO L225 Difference]: With dead ends: 568 [2025-03-04 02:55:39,736 INFO L226 Difference]: Without dead ends: 325 [2025-03-04 02:55:39,737 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2025-03-04 02:55:39,737 INFO L435 NwaCegarLoop]: 299 mSDtfsCounter, 342 mSDsluCounter, 846 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 1145 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-03-04 02:55:39,738 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 1145 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-03-04 02:55:39,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2025-03-04 02:55:39,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2025-03-04 02:55:39,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 215 states have (on average 1.2) internal successors, (258), 217 states have internal predecessors, (258), 75 states have call successors, (75), 31 states have call predecessors, (75), 34 states have return successors, (78), 76 states have call predecessors, (78), 74 states have call successors, (78) [2025-03-04 02:55:39,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 411 transitions. [2025-03-04 02:55:39,758 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 411 transitions. Word has length 196 [2025-03-04 02:55:39,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:55:39,758 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 411 transitions. [2025-03-04 02:55:39,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2025-03-04 02:55:39,759 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 411 transitions. [2025-03-04 02:55:39,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2025-03-04 02:55:39,760 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:55:39,760 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:55:39,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-04 02:55:39,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:55:39,961 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:55:39,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:55:39,962 INFO L85 PathProgramCache]: Analyzing trace with hash -2007189997, now seen corresponding path program 1 times [2025-03-04 02:55:39,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:55:39,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897592298] [2025-03-04 02:55:39,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:55:39,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:55:43,929 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 208 statements into 1 equivalence classes. [2025-03-04 02:55:44,008 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 208 of 208 statements. [2025-03-04 02:55:44,008 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:55:44,008 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:55:46,059 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2025-03-04 02:55:46,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:55:46,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897592298] [2025-03-04 02:55:46,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897592298] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:55:46,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98538748] [2025-03-04 02:55:46,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:55:46,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:55:46,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:55:46,062 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 02:55:46,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-04 02:55:50,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 208 statements into 1 equivalence classes. [2025-03-04 02:55:51,053 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 208 of 208 statements. [2025-03-04 02:55:51,053 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:55:51,053 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:55:51,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 4706 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 02:55:51,083 INFO L279 TraceCheckSpWp]: Computing forward predicates...