./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 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_table_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-?-8fc3dc6-m [2025-03-17 07:12:58,061 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:12:58,110 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:12:58,113 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:12:58,113 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:12:58,126 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:12:58,127 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:12:58,127 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:12:58,128 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:12:58,128 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:12:58,129 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:12:58,129 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:12:58,129 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:12:58,129 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:12:58,129 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:12:58,130 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:12:58,130 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:12:58,130 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:12:58,130 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:12:58,130 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:12:58,130 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:12:58,130 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:12:58,130 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:12:58,130 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:12:58,130 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:12:58,130 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:12:58,130 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:12:58,130 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:12:58,131 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:12:58,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:12:58,131 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:12:58,131 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:12:58,131 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:12:58,131 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:12:58,131 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:12:58,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:12:58,131 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:12:58,131 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:12:58,132 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:12:58,132 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:12:58,132 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 [2025-03-17 07:12:58,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:12:58,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:12:58,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:12:58,390 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:12:58,391 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:12:58,392 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness_negated.i [2025-03-17 07:12:59,601 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/629c50e3f/e19a969cb86843789c20315c9f786c20/FLAG39ce16c31 [2025-03-17 07:13:00,105 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:13:00,105 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness_negated.i [2025-03-17 07:13:00,148 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/629c50e3f/e19a969cb86843789c20315c9f786c20/FLAG39ce16c31 [2025-03-17 07:13:00,655 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/629c50e3f/e19a969cb86843789c20315c9f786c20 [2025-03-17 07:13:00,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:13:00,658 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:13:00,659 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:13:00,659 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:13:00,662 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:13:00,663 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:13:00" (1/1) ... [2025-03-17 07:13:00,663 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c2308a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:00, skipping insertion in model container [2025-03-17 07:13:00,663 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:13:00" (1/1) ... [2025-03-17 07:13:00,736 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:13:00,944 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] [2025-03-17 07:13:00,953 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] [2025-03-17 07:13:01,740 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:01,740 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:01,741 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:01,741 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:01,742 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:01,750 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:01,751 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:01,752 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:01,752 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:01,754 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:01,754 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:01,755 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:01,755 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,669 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,670 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,696 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,697 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,705 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,705 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,727 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,728 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,729 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,729 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,729 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,730 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,730 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,763 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] [2025-03-17 07:13:02,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:13:02,797 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:13:02,808 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] [2025-03-17 07:13:02,812 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] [2025-03-17 07:13:02,856 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,856 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,857 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,857 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,858 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,864 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,867 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,869 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,869 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,870 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,870 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,870 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,870 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] [2025-03-17 07:13:03,085 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:03,086 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:03,091 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:03,091 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:03,093 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:03,093 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:03,099 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:03,099 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:03,100 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:03,100 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:03,100 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:03,100 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:03,100 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:03,114 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] [2025-03-17 07:13:03,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:13:03,296 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:13:03,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:03 WrapperNode [2025-03-17 07:13:03,297 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:13:03,298 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:13:03,298 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:13:03,299 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:13:03,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:03" (1/1) ... [2025-03-17 07:13:03,387 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:03" (1/1) ... [2025-03-17 07:13:03,459 INFO L138 Inliner]: procedures = 763, calls = 2450, calls flagged for inlining = 70, calls inlined = 20, statements flattened = 867 [2025-03-17 07:13:03,460 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:13:03,461 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:13:03,461 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:13:03,461 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:13:03,473 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:03" (1/1) ... [2025-03-17 07:13:03,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:03" (1/1) ... [2025-03-17 07:13:03,479 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:03" (1/1) ... [2025-03-17 07:13:03,546 INFO L175 MemorySlicer]: Split 315 memory accesses to 12 slices as follows [238, 9, 2, 4, 3, 36, 6, 2, 6, 1, 3, 5]. 76 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [6, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 5]. The 249 writes are split as follows [232, 1, 0, 3, 1, 3, 2, 1, 2, 1, 3, 0]. [2025-03-17 07:13:03,547 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:03" (1/1) ... [2025-03-17 07:13:03,547 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:03" (1/1) ... [2025-03-17 07:13:03,591 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:03" (1/1) ... [2025-03-17 07:13:03,595 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:03" (1/1) ... [2025-03-17 07:13:03,609 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:03" (1/1) ... [2025-03-17 07:13:03,617 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:03" (1/1) ... [2025-03-17 07:13:03,635 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:13:03,636 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:13:03,637 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:13:03,637 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:13:03,637 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:03" (1/1) ... [2025-03-17 07:13:03,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:13:03,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:13:03,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 07:13:03,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 07:13:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-17 07:13:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-17 07:13:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-17 07:13:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-17 07:13:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-17 07:13:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-17 07:13:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-17 07:13:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-03-17 07:13:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-03-17 07:13:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-03-17 07:13:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2025-03-17 07:13:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2025-03-17 07:13:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2025-03-17 07:13:03,693 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2025-03-17 07:13:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-03-17 07:13:03,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-03-17 07:13:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:13:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:13:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:13:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:13:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:13:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:13:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:13:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 07:13:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 07:13:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-17 07:13:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-17 07:13:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-17 07:13:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-17 07:13:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:13:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:13:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:13:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:13:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:13:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:13:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 07:13:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 07:13:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-17 07:13:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-17 07:13:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-17 07:13:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-17 07:13:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-17 07:13:03,694 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-17 07:13:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:13:03,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:13:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-03-17 07:13:03,694 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-03-17 07:13:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:13:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:13:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-03-17 07:13:03,694 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-03-17 07:13:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:13:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:13:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:13:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:13:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:13:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:13:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 07:13:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 07:13:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-17 07:13:03,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-17 07:13:03,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-17 07:13:03,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-17 07:13:03,697 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-03-17 07:13:03,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-03-17 07:13:03,697 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2025-03-17 07:13:03,697 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2025-03-17 07:13:03,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:13:03,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:13:03,697 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:13:03,697 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-17 07:13:03,698 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2025-03-17 07:13:03,698 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:13:03,698 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-17 07:13:03,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-03-17 07:13:03,698 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-17 07:13:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-17 07:13:03,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-17 07:13:03,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-17 07:13:03,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-17 07:13:03,699 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-17 07:13:03,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-17 07:13:03,699 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-17 07:13:03,699 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-17 07:13:03,699 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 07:13:03,699 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 07:13:03,699 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_find [2025-03-17 07:13:03,699 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_find [2025-03-17 07:13:03,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:13:03,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:13:03,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:13:03,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:13:03,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:13:03,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:13:03,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 07:13:03,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 07:13:03,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-17 07:13:03,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-17 07:13:03,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-17 07:13:03,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-17 07:13:03,699 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2025-03-17 07:13:03,699 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2025-03-17 07:13:03,699 INFO L130 BoogieDeclarations]: Found specification of procedure uninterpreted_equals [2025-03-17 07:13:03,699 INFO L138 BoogieDeclarations]: Found implementation of procedure uninterpreted_equals [2025-03-17 07:13:03,699 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-17 07:13:03,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-17 07:13:03,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:13:03,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:13:03,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:13:03,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:13:03,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:13:03,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:13:03,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 07:13:03,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 07:13:03,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-17 07:13:03,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-17 07:13:03,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-17 07:13:03,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-17 07:13:03,702 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-03-17 07:13:03,702 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-03-17 07:13:04,070 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:13:04,072 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:13:04,115 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc588.base, #t~malloc588.offset; [2025-03-17 07:13:04,132 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9104-1: assume false; [2025-03-17 07:13:04,133 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9104-1: assume !false; [2025-03-17 07:13:04,148 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-17 07:13:04,150 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 07:13:04,258 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9293: havoc #t~ret1201#1; [2025-03-17 07:13:04,287 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9376-1: assume false; [2025-03-17 07:13:04,287 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9376-1: assume !false; [2025-03-17 07:13:04,306 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7341: havoc uninterpreted_hasher_#t~ret689#1; [2025-03-17 07:13:04,306 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9065-1: assume false; [2025-03-17 07:13:04,306 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9065-1: assume !false; [2025-03-17 07:13:04,350 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L10069: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-03-17 07:13:04,380 INFO L1322 $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; [2025-03-17 07:13:04,398 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7328: havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1; [2025-03-17 07:13:04,398 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7271: havoc nondet_compare_#t~ret677#1; [2025-03-17 07:13:04,398 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-17 07:13:04,407 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9091: havoc #t~ret1140; [2025-03-17 07:13:04,432 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-03-17 07:13:04,445 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-17 07:13:09,566 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-17 07:13:09,566 INFO L1322 $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; [2025-03-17 07:13:09,566 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6831: havoc hash_table_state_has_an_empty_slot_#t~mem571#1; [2025-03-17 07:13:09,683 INFO L? ?]: Removed 273 outVars from TransFormulas that were not future-live. [2025-03-17 07:13:09,683 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:13:09,711 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:13:09,711 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:13:09,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:13:09 BoogieIcfgContainer [2025-03-17 07:13:09,716 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:13:09,719 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:13:09,719 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:13:09,722 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:13:09,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:13:00" (1/3) ... [2025-03-17 07:13:09,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ce88ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:13:09, skipping insertion in model container [2025-03-17 07:13:09,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:03" (2/3) ... [2025-03-17 07:13:09,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ce88ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:13:09, skipping insertion in model container [2025-03-17 07:13:09,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:13:09" (3/3) ... [2025-03-17 07:13:09,724 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_find_harness_negated.i [2025-03-17 07:13:09,766 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:13:09,768 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_find_harness_negated.i that has 23 procedures, 254 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-03-17 07:13:09,822 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:13:09,832 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;@6cb30f73, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:13:09,832 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:13:09,836 INFO L276 IsEmpty]: Start isEmpty. Operand has 254 states, 165 states have (on average 1.2484848484848485) internal successors, (206), 163 states have internal predecessors, (206), 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) [2025-03-17 07:13:09,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2025-03-17 07:13:09,848 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:13:09,849 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] [2025-03-17 07:13:09,849 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:13:09,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:13:09,853 INFO L85 PathProgramCache]: Analyzing trace with hash 545674149, now seen corresponding path program 1 times [2025-03-17 07:13:09,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:13:09,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913555125] [2025-03-17 07:13:09,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:09,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:13:14,564 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 180 statements into 1 equivalence classes. [2025-03-17 07:13:14,890 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 180 of 180 statements. [2025-03-17 07:13:14,891 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:14,891 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:15,361 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2025-03-17 07:13:15,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:13:15,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913555125] [2025-03-17 07:13:15,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913555125] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:13:15,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22274183] [2025-03-17 07:13:15,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:15,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:13:15,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:13:15,369 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:13:15,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 07:13:19,780 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 180 statements into 1 equivalence classes. [2025-03-17 07:13:20,307 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 180 of 180 statements. [2025-03-17 07:13:20,307 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:20,308 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:20,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 4648 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 07:13:20,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:13:20,361 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2025-03-17 07:13:20,361 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:13:20,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22274183] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:13:20,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:13:20,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 07:13:20,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888230718] [2025-03-17 07:13:20,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:13:20,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 07:13:20,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:13:20,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 07:13:20,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 07:13:20,386 INFO L87 Difference]: Start difference. First operand has 254 states, 165 states have (on average 1.2484848484848485) internal successors, (206), 163 states have internal predecessors, (206), 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 31.0) internal successors, (62), 2 states have internal predecessors, (62), 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) [2025-03-17 07:13:20,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:13:20,468 INFO L93 Difference]: Finished difference Result 503 states and 730 transitions. [2025-03-17 07:13:20,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 07:13:20,470 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 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 180 [2025-03-17 07:13:20,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:13:20,476 INFO L225 Difference]: With dead ends: 503 [2025-03-17 07:13:20,477 INFO L226 Difference]: Without dead ends: 250 [2025-03-17 07:13:20,481 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 07:13:20,484 INFO L435 NwaCegarLoop]: 330 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 07:13:20,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 330 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 07:13:20,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2025-03-17 07:13:20,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2025-03-17 07:13:20,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 159 states have (on average 1.2327044025157232) internal successors, (196), 160 states have internal predecessors, (196), 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) [2025-03-17 07:13:20,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 331 transitions. [2025-03-17 07:13:20,534 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 331 transitions. Word has length 180 [2025-03-17 07:13:20,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:13:20,535 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 331 transitions. [2025-03-17 07:13:20,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 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) [2025-03-17 07:13:20,536 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 331 transitions. [2025-03-17 07:13:20,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2025-03-17 07:13:20,542 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:13:20,543 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] [2025-03-17 07:13:20,559 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 07:13:20,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-17 07:13:20,744 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:13:20,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:13:20,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1790088069, now seen corresponding path program 1 times [2025-03-17 07:13:20,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:13:20,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802908529] [2025-03-17 07:13:20,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:20,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:13:24,835 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 180 statements into 1 equivalence classes. [2025-03-17 07:13:24,945 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 180 of 180 statements. [2025-03-17 07:13:24,946 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:24,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:26,002 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2025-03-17 07:13:26,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:13:26,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802908529] [2025-03-17 07:13:26,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802908529] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:13:26,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760160822] [2025-03-17 07:13:26,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:26,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:13:26,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:13:26,007 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:13:26,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 07:13:30,480 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 180 statements into 1 equivalence classes. [2025-03-17 07:13:30,978 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 180 of 180 statements. [2025-03-17 07:13:30,978 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:30,978 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:31,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 4648 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 07:13:31,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:13:31,124 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2025-03-17 07:13:31,124 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:13:31,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1760160822] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:13:31,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:13:31,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2025-03-17 07:13:31,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880411125] [2025-03-17 07:13:31,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:13:31,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 07:13:31,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:13:31,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 07:13:31,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 07:13:31,126 INFO L87 Difference]: Start difference. First operand 250 states and 331 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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) [2025-03-17 07:13:31,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:13:31,469 INFO L93 Difference]: Finished difference Result 497 states and 657 transitions. [2025-03-17 07:13:31,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 07:13:31,471 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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 180 [2025-03-17 07:13:31,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:13:31,474 INFO L225 Difference]: With dead ends: 497 [2025-03-17 07:13:31,474 INFO L226 Difference]: Without dead ends: 255 [2025-03-17 07:13:31,475 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 07:13:31,476 INFO L435 NwaCegarLoop]: 324 mSDtfsCounter, 0 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1292 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 [2025-03-17 07:13:31,476 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1292 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 07:13:31,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2025-03-17 07:13:31,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2025-03-17 07:13:31,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 163 states have (on average 1.2269938650306749) internal successors, (200), 164 states have internal predecessors, (200), 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) [2025-03-17 07:13:31,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 336 transitions. [2025-03-17 07:13:31,502 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 336 transitions. Word has length 180 [2025-03-17 07:13:31,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:13:31,504 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 336 transitions. [2025-03-17 07:13:31,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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) [2025-03-17 07:13:31,504 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 336 transitions. [2025-03-17 07:13:31,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-03-17 07:13:31,506 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:13:31,506 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:13:31,524 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 07:13:31,707 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 [2025-03-17 07:13:31,707 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:13:31,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:13:31,708 INFO L85 PathProgramCache]: Analyzing trace with hash -901704027, now seen corresponding path program 1 times [2025-03-17 07:13:31,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:13:31,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674689567] [2025-03-17 07:13:31,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:31,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:13:35,401 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-03-17 07:13:35,505 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-03-17 07:13:35,505 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:35,505 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:39,305 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2025-03-17 07:13:39,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:13:39,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674689567] [2025-03-17 07:13:39,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674689567] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:13:39,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740214759] [2025-03-17 07:13:39,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:39,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:13:39,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:13:39,308 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:13:39,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 07:13:43,535 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-03-17 07:13:43,949 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-03-17 07:13:43,950 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:43,950 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:43,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 4648 conjuncts, 44 conjuncts are in the unsatisfiable core [2025-03-17 07:13:43,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:13:44,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-17 07:13:51,962 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 279 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2025-03-17 07:13:51,963 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:13:51,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740214759] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:13:51,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:13:51,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [10] total 17 [2025-03-17 07:13:51,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879308109] [2025-03-17 07:13:51,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:13:51,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-17 07:13:51,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:13:51,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-17 07:13:51,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2025-03-17 07:13:51,965 INFO L87 Difference]: Start difference. First operand 255 states and 336 transitions. Second operand has 13 states, 12 states have (on average 7.333333333333333) internal successors, (88), 11 states have internal predecessors, (88), 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) [2025-03-17 07:13:56,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 07:14:00,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 07:14:14,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:14:14,124 INFO L93 Difference]: Finished difference Result 554 states and 721 transitions. [2025-03-17 07:14:14,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-17 07:14:14,125 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.333333333333333) internal successors, (88), 11 states have internal predecessors, (88), 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 190 [2025-03-17 07:14:14,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:14:14,129 INFO L225 Difference]: With dead ends: 554 [2025-03-17 07:14:14,129 INFO L226 Difference]: Without dead ends: 315 [2025-03-17 07:14:14,130 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 162 SyntacticMatches, 22 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2025-03-17 07:14:14,130 INFO L435 NwaCegarLoop]: 343 mSDtfsCounter, 246 mSDsluCounter, 1819 mSDsCounter, 0 mSdLazyCounter, 897 mSolverCounterSat, 37 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 2162 SdHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 897 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2025-03-17 07:14:14,131 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 2162 Invalid, 936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 897 Invalid, 2 Unknown, 0 Unchecked, 21.2s Time] [2025-03-17 07:14:14,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2025-03-17 07:14:14,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 312. [2025-03-17 07:14:14,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 204 states have (on average 1.2107843137254901) internal successors, (247), 205 states have internal predecessors, (247), 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) [2025-03-17 07:14:14,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 396 transitions. [2025-03-17 07:14:14,152 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 396 transitions. Word has length 190 [2025-03-17 07:14:14,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:14:14,153 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 396 transitions. [2025-03-17 07:14:14,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.333333333333333) internal successors, (88), 11 states have internal predecessors, (88), 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) [2025-03-17 07:14:14,153 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 396 transitions. [2025-03-17 07:14:14,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-03-17 07:14:14,155 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:14:14,155 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:14:14,173 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-17 07:14:14,355 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 [2025-03-17 07:14:14,355 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:14:14,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:14:14,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1464225700, now seen corresponding path program 1 times [2025-03-17 07:14:14,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:14:14,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977725698] [2025-03-17 07:14:14,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:14:14,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:14:18,080 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-03-17 07:14:18,183 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-03-17 07:14:18,183 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:14:18,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:14:19,272 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2025-03-17 07:14:19,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:14:19,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977725698] [2025-03-17 07:14:19,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977725698] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:14:19,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339040443] [2025-03-17 07:14:19,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:14:19,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:14:19,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:14:19,275 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:14:19,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 07:14:23,672 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-03-17 07:14:24,098 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-03-17 07:14:24,099 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:14:24,099 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:14:24,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 4633 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 07:14:24,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:14:25,054 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2025-03-17 07:14:25,054 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:14:25,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1339040443] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:14:25,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:14:25,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-03-17 07:14:25,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77744572] [2025-03-17 07:14:25,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:14:25,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 07:14:25,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:14:25,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 07:14:25,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-03-17 07:14:25,057 INFO L87 Difference]: Start difference. First operand 312 states and 396 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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) [2025-03-17 07:14:25,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:14:25,662 INFO L93 Difference]: Finished difference Result 555 states and 717 transitions. [2025-03-17 07:14:25,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 07:14:25,662 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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 190 [2025-03-17 07:14:25,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:14:25,665 INFO L225 Difference]: With dead ends: 555 [2025-03-17 07:14:25,665 INFO L226 Difference]: Without dead ends: 317 [2025-03-17 07:14:25,666 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-03-17 07:14:25,666 INFO L435 NwaCegarLoop]: 325 mSDtfsCounter, 29 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 1220 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 07:14:25,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 1220 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 07:14:25,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2025-03-17 07:14:25,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2025-03-17 07:14:25,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 207 states have (on average 1.2077294685990339) internal successors, (250), 209 states have internal predecessors, (250), 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) [2025-03-17 07:14:25,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 403 transitions. [2025-03-17 07:14:25,688 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 403 transitions. Word has length 190 [2025-03-17 07:14:25,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:14:25,688 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 403 transitions. [2025-03-17 07:14:25,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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) [2025-03-17 07:14:25,689 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 403 transitions. [2025-03-17 07:14:25,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2025-03-17 07:14:25,691 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:14:25,691 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:14:25,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-17 07:14:25,896 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 [2025-03-17 07:14:25,896 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:14:25,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:14:25,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1693896828, now seen corresponding path program 1 times [2025-03-17 07:14:25,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:14:25,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753149408] [2025-03-17 07:14:25,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:14:25,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:14:29,735 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-03-17 07:14:29,828 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-03-17 07:14:29,829 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:14:29,829 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat