./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a2f0a82a50bc275c6e2e2ec318329147ea6f6c7b468577c521e1ed81fea6d241 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 18:07:24,653 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 18:07:24,775 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 18:07:24,779 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 18:07:24,783 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 18:07:24,828 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 18:07:24,829 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 18:07:24,829 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 18:07:24,829 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 18:07:24,832 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 18:07:24,832 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 18:07:24,833 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 18:07:24,833 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 18:07:24,833 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 18:07:24,833 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 18:07:24,833 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 18:07:24,833 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 18:07:24,833 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 18:07:24,833 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 18:07:24,833 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 18:07:24,833 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 18:07:24,833 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 18:07:24,833 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 18:07:24,833 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 18:07:24,834 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 18:07:24,834 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 18:07:24,834 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 18:07:24,834 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 18:07:24,834 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 18:07:24,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:07:24,834 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 18:07:24,834 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 18:07:24,834 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 18:07:24,834 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 18:07:24,834 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 18:07:24,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 18:07:24,834 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 18:07:24,834 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 18:07:24,834 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 18:07:24,837 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 18:07:24,837 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 -> a2f0a82a50bc275c6e2e2ec318329147ea6f6c7b468577c521e1ed81fea6d241 [2025-03-08 18:07:25,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 18:07:25,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 18:07:25,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 18:07:25,384 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 18:07:25,388 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 18:07:25,389 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i [2025-03-08 18:07:27,170 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40169e409/437767136cb643389a496d18caf91f57/FLAGad1203e65 [2025-03-08 18:07:27,714 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 18:07:27,715 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i [2025-03-08 18:07:27,759 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40169e409/437767136cb643389a496d18caf91f57/FLAGad1203e65 [2025-03-08 18:07:27,772 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40169e409/437767136cb643389a496d18caf91f57 [2025-03-08 18:07:27,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 18:07:27,776 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 18:07:27,777 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 18:07:27,777 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 18:07:27,780 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 18:07:27,780 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:07:27" (1/1) ... [2025-03-08 18:07:27,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b14ec55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:27, skipping insertion in model container [2025-03-08 18:07:27,781 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:07:27" (1/1) ... [2025-03-08 18:07:27,859 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 18:07:28,160 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_remove_harness.i[4495,4508] [2025-03-08 18:07:28,169 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_remove_harness.i[4555,4568] [2025-03-08 18:07:28,836 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,837 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,838 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,838 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,840 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,859 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,859 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,861 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,861 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,862 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,862 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,863 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,863 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,118 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,119 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,147 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,148 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,156 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,157 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,172 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,174 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,174 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,175 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,175 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,175 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,175 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,211 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_remove_harness.i[229734,229747] [2025-03-08 18:07:30,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:07:30,248 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 18:07:30,263 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_remove_harness.i[4495,4508] [2025-03-08 18:07:30,264 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_remove_harness.i[4555,4568] [2025-03-08 18:07:30,297 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,298 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,301 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,302 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,302 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,306 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,307 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,307 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,307 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,308 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,308 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,308 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,308 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,366 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7576-7587] [2025-03-08 18:07:30,470 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,470 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,477 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,478 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,480 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,480 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,487 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,488 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,489 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,489 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,489 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,489 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,491 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:30,510 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_remove_harness.i[229734,229747] [2025-03-08 18:07:30,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:07:30,658 INFO L204 MainTranslator]: Completed translation [2025-03-08 18:07:30,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:30 WrapperNode [2025-03-08 18:07:30,659 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 18:07:30,660 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 18:07:30,660 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 18:07:30,660 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 18:07:30,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:30" (1/1) ... [2025-03-08 18:07:30,736 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:30" (1/1) ... [2025-03-08 18:07:30,796 INFO L138 Inliner]: procedures = 764, calls = 2494, calls flagged for inlining = 70, calls inlined = 19, statements flattened = 1091 [2025-03-08 18:07:30,796 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 18:07:30,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 18:07:30,797 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 18:07:30,797 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 18:07:30,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:30" (1/1) ... [2025-03-08 18:07:30,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:30" (1/1) ... [2025-03-08 18:07:30,818 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:30" (1/1) ... [2025-03-08 18:07:30,929 INFO L175 MemorySlicer]: Split 368 memory accesses to 12 slices as follows [243, 2, 1, 3, 2, 15, 4, 2, 7, 72, 3, 14]. 66 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [11, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10]. The 256 writes are split as follows [232, 0, 1, 3, 1, 1, 2, 1, 3, 10, 2, 0]. [2025-03-08 18:07:30,930 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:30" (1/1) ... [2025-03-08 18:07:30,930 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:30" (1/1) ... [2025-03-08 18:07:30,977 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:30" (1/1) ... [2025-03-08 18:07:30,980 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:30" (1/1) ... [2025-03-08 18:07:30,995 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:30" (1/1) ... [2025-03-08 18:07:31,002 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:30" (1/1) ... [2025-03-08 18:07:31,015 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 18:07:31,016 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 18:07:31,016 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 18:07:31,016 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 18:07:31,017 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:30" (1/1) ... [2025-03-08 18:07:31,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:07:31,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:07:31,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 18:07:31,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 18:07:31,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-08 18:07:31,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-08 18:07:31,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-08 18:07:31,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-08 18:07:31,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-08 18:07:31,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-08 18:07:31,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-08 18:07:31,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-03-08 18:07:31,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-03-08 18:07:31,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-03-08 18:07:31,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2025-03-08 18:07:31,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2025-03-08 18:07:31,079 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2025-03-08 18:07:31,079 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2025-03-08 18:07:31,079 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-03-08 18:07:31,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-03-08 18:07:31,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 18:07:31,079 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 18:07:31,081 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 18:07:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2025-03-08 18:07:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2025-03-08 18:07:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2025-03-08 18:07:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2025-03-08 18:07:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2025-03-08 18:07:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2025-03-08 18:07:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2025-03-08 18:07:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2025-03-08 18:07:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2025-03-08 18:07:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2025-03-08 18:07:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2025-03-08 18:07:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2025-03-08 18:07:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 18:07:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 18:07:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 18:07:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 18:07:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 18:07:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 18:07:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 18:07:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 18:07:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 18:07:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-08 18:07:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-08 18:07:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-08 18:07:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 18:07:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 18:07:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 18:07:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 18:07:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 18:07:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 18:07:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 18:07:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 18:07:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 18:07:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-08 18:07:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-08 18:07:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-08 18:07:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-08 18:07:31,083 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-08 18:07:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 18:07:31,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 18:07:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-03-08 18:07:31,083 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-03-08 18:07:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 18:07:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 18:07:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-03-08 18:07:31,083 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-03-08 18:07:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 18:07:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 18:07:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 18:07:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 18:07:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 18:07:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 18:07:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 18:07:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 18:07:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 18:07:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-08 18:07:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-08 18:07:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-08 18:07:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-08 18:07:31,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-08 18:07:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-03-08 18:07:31,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-03-08 18:07:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2025-03-08 18:07:31,084 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2025-03-08 18:07:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 18:07:31,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 18:07:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 18:07:31,084 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 18:07:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-08 18:07:31,084 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-08 18:07:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 18:07:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 18:07:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 18:07:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 18:07:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 18:07:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 18:07:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 18:07:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2025-03-08 18:07:31,086 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 18:07:31,086 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-08 18:07:31,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-03-08 18:07:31,086 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 18:07:31,086 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-08 18:07:31,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-08 18:07:31,086 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-08 18:07:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 18:07:31,087 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 18:07:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_entry [2025-03-08 18:07:31,087 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_entry [2025-03-08 18:07:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 18:07:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 18:07:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 18:07:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 18:07:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 18:07:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 18:07:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 18:07:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 18:07:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 18:07:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-08 18:07:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-08 18:07:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-08 18:07:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2025-03-08 18:07:31,087 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2025-03-08 18:07:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-03-08 18:07:31,087 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-03-08 18:07:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-03-08 18:07:31,087 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-03-08 18:07:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure uninterpreted_equals [2025-03-08 18:07:31,087 INFO L138 BoogieDeclarations]: Found implementation of procedure uninterpreted_equals [2025-03-08 18:07:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 18:07:31,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 18:07:31,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 18:07:31,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 18:07:31,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 18:07:31,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 18:07:31,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 18:07:31,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 18:07:31,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 18:07:31,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 18:07:31,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 18:07:31,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-08 18:07:31,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-08 18:07:31,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-08 18:07:31,090 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-03-08 18:07:31,090 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-03-08 18:07:31,535 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 18:07:31,540 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 18:07:31,583 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6947: havoc #t~malloc588.base, #t~malloc588.offset; [2025-03-08 18:07:31,629 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9154-1: assume false; [2025-03-08 18:07:31,630 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9154-1: assume !false; [2025-03-08 18:07:31,646 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-08 18:07:31,653 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 18:07:31,784 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9345: havoc #t~ret1203#1; [2025-03-08 18:07:31,894 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9658-1: assume false; [2025-03-08 18:07:31,894 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9658-1: assume !false; [2025-03-08 18:07:31,895 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9160-1: assume false; [2025-03-08 18:07:31,895 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9160-1: assume !false; [2025-03-08 18:07:31,924 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9115-1: assume false; [2025-03-08 18:07:31,924 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9115-1: assume !false; [2025-03-08 18:07:31,924 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7373: havoc uninterpreted_hasher_#t~ret689#1; [2025-03-08 18:07:31,970 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10121: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-03-08 18:07:31,984 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7406: havoc #t~ret690.base, #t~ret690.offset; [2025-03-08 18:07:32,006 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10008: havoc #t~mem1491.base, #t~mem1491.offset;havoc #t~short1492;havoc #t~mem1493.base, #t~mem1493.offset;havoc #t~ret1494;havoc #t~short1495; [2025-03-08 18:07:32,009 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 18:07:32,027 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7356: havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1; [2025-03-08 18:07:32,027 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7287: havoc nondet_compare_#t~ret677#1; [2025-03-08 18:07:32,027 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-08 18:07:32,036 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9141: havoc #t~ret1142; [2025-03-08 18:07:32,054 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-03-08 18:07:32,069 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-08 18:07:37,332 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6833: havoc aws_hash_table_has_an_empty_slot_#t~mem566#1.base, aws_hash_table_has_an_empty_slot_#t~mem566#1.offset;havoc aws_hash_table_has_an_empty_slot_#t~ret567#1; [2025-03-08 18:07:37,332 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9692-1: assume false; [2025-03-08 18:07:37,332 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9692-1: assume !false; [2025-03-08 18:07:37,332 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6843: havoc hash_table_state_has_an_empty_slot_#t~mem571#1; [2025-03-08 18:07:37,332 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9709-1: assume false; [2025-03-08 18:07:37,332 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9709-1: assume !false; [2025-03-08 18:07:37,600 INFO L? ?]: Removed 314 outVars from TransFormulas that were not future-live. [2025-03-08 18:07:37,600 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 18:07:37,658 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 18:07:37,662 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 18:07:37,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:07:37 BoogieIcfgContainer [2025-03-08 18:07:37,664 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 18:07:37,666 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 18:07:37,670 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 18:07:37,679 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 18:07:37,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:07:27" (1/3) ... [2025-03-08 18:07:37,680 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ee3e9a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:07:37, skipping insertion in model container [2025-03-08 18:07:37,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:30" (2/3) ... [2025-03-08 18:07:37,680 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ee3e9a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:07:37, skipping insertion in model container [2025-03-08 18:07:37,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:07:37" (3/3) ... [2025-03-08 18:07:37,684 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_remove_harness.i [2025-03-08 18:07:37,714 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 18:07:37,716 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_remove_harness.i that has 28 procedures, 336 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-03-08 18:07:37,812 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 18:07:37,828 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;@404c543, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 18:07:37,834 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 18:07:37,843 INFO L276 IsEmpty]: Start isEmpty. Operand has 336 states, 226 states have (on average 1.2566371681415929) internal successors, (284), 221 states have internal predecessors, (284), 87 states have call successors, (87), 27 states have call predecessors, (87), 27 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2025-03-08 18:07:37,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2025-03-08 18:07:37,869 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:07:37,871 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:07:37,871 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:07:37,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:07:37,880 INFO L85 PathProgramCache]: Analyzing trace with hash 982292415, now seen corresponding path program 1 times [2025-03-08 18:07:37,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:07:37,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877572213] [2025-03-08 18:07:37,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:07:37,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:07:44,942 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 182 statements into 1 equivalence classes. [2025-03-08 18:07:45,608 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 182 of 182 statements. [2025-03-08 18:07:45,609 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:07:45,609 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:07:46,630 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2025-03-08 18:07:46,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:07:46,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877572213] [2025-03-08 18:07:46,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877572213] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:07:46,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271317158] [2025-03-08 18:07:46,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:07:46,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:07:46,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:07:46,643 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:07:46,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 18:07:54,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 182 statements into 1 equivalence classes. [2025-03-08 18:07:54,997 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 182 of 182 statements. [2025-03-08 18:07:54,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:07:54,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:07:55,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 4563 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 18:07:55,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:07:55,108 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2025-03-08 18:07:55,108 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:07:55,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [271317158] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:07:55,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:07:55,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 18:07:55,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578362267] [2025-03-08 18:07:55,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:07:55,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 18:07:55,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:07:55,151 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 18:07:55,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 18:07:55,163 INFO L87 Difference]: Start difference. First operand has 336 states, 226 states have (on average 1.2566371681415929) internal successors, (284), 221 states have internal predecessors, (284), 87 states have call successors, (87), 27 states have call predecessors, (87), 27 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) Second operand has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-03-08 18:07:55,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:07:55,379 INFO L93 Difference]: Finished difference Result 666 states and 976 transitions. [2025-03-08 18:07:55,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 18:07:55,382 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 182 [2025-03-08 18:07:55,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:07:55,399 INFO L225 Difference]: With dead ends: 666 [2025-03-08 18:07:55,401 INFO L226 Difference]: Without dead ends: 328 [2025-03-08 18:07:55,416 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 18:07:55,418 INFO L435 NwaCegarLoop]: 438 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 18:07:55,419 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 438 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 18:07:55,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2025-03-08 18:07:55,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328. [2025-03-08 18:07:55,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 213 states have (on average 1.2347417840375587) internal successors, (263), 215 states have internal predecessors, (263), 87 states have call successors, (87), 27 states have call predecessors, (87), 27 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-03-08 18:07:55,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 435 transitions. [2025-03-08 18:07:55,523 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 435 transitions. Word has length 182 [2025-03-08 18:07:55,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:07:55,526 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 435 transitions. [2025-03-08 18:07:55,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-03-08 18:07:55,527 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 435 transitions. [2025-03-08 18:07:55,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2025-03-08 18:07:55,533 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:07:55,534 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:07:55,554 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-08 18:07:55,739 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 [2025-03-08 18:07:55,740 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:07:55,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:07:55,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1274443454, now seen corresponding path program 1 times [2025-03-08 18:07:55,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:07:55,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56547433] [2025-03-08 18:07:55,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:07:55,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:08:01,055 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 182 statements into 1 equivalence classes. [2025-03-08 18:08:01,383 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 182 of 182 statements. [2025-03-08 18:08:01,383 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:08:01,383 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:08:03,778 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2025-03-08 18:08:03,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:08:03,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56547433] [2025-03-08 18:08:03,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56547433] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:08:03,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 18:08:03,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 18:08:03,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556693006] [2025-03-08 18:08:03,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:08:03,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 18:08:03,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:08:03,780 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 18:08:03,780 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 18:08:03,781 INFO L87 Difference]: Start difference. First operand 328 states and 435 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2025-03-08 18:08:04,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:08:04,577 INFO L93 Difference]: Finished difference Result 619 states and 825 transitions. [2025-03-08 18:08:04,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 18:08:04,581 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 182 [2025-03-08 18:08:04,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:08:04,584 INFO L225 Difference]: With dead ends: 619 [2025-03-08 18:08:04,592 INFO L226 Difference]: Without dead ends: 333 [2025-03-08 18:08:04,594 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 18:08:04,597 INFO L435 NwaCegarLoop]: 426 mSDtfsCounter, 0 mSDsluCounter, 1274 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1700 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-08 18:08:04,597 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1700 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-08 18:08:04,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2025-03-08 18:08:04,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2025-03-08 18:08:04,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 217 states have (on average 1.2304147465437787) internal successors, (267), 219 states have internal predecessors, (267), 87 states have call successors, (87), 27 states have call predecessors, (87), 28 states have return successors, (86), 86 states have call predecessors, (86), 85 states have call successors, (86) [2025-03-08 18:08:04,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 440 transitions. [2025-03-08 18:08:04,658 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 440 transitions. Word has length 182 [2025-03-08 18:08:04,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:08:04,661 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 440 transitions. [2025-03-08 18:08:04,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2025-03-08 18:08:04,661 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 440 transitions. [2025-03-08 18:08:04,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2025-03-08 18:08:04,668 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:08:04,669 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:08:04,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 18:08:04,673 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:08:04,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:08:04,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1728227807, now seen corresponding path program 1 times [2025-03-08 18:08:04,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:08:04,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208440714] [2025-03-08 18:08:04,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:08:04,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:08:09,425 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-03-08 18:08:09,551 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-03-08 18:08:09,554 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:08:09,555 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:08:13,720 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-03-08 18:08:13,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:08:13,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208440714] [2025-03-08 18:08:13,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208440714] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:08:13,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160448942] [2025-03-08 18:08:13,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:08:13,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:08:13,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:08:13,723 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) [2025-03-08 18:08:13,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 18:08:18,120 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-03-08 18:08:18,572 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-03-08 18:08:18,572 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:08:18,572 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:08:18,592 INFO L256 TraceCheckSpWp]: Trace formula consists of 4567 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-03-08 18:08:18,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:08:20,198 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2025-03-08 18:08:20,198 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 18:08:22,812 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2025-03-08 18:08:22,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160448942] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-08 18:08:22,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-03-08 18:08:22,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10, 8] total 18 [2025-03-08 18:08:22,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694214589] [2025-03-08 18:08:22,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:08:22,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 18:08:22,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:08:22,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 18:08:22,814 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2025-03-08 18:08:22,814 INFO L87 Difference]: Start difference. First operand 333 states and 440 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2025-03-08 18:08:23,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:08:23,641 INFO L93 Difference]: Finished difference Result 339 states and 445 transitions. [2025-03-08 18:08:23,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 18:08:23,642 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 188 [2025-03-08 18:08:23,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:08:23,648 INFO L225 Difference]: With dead ends: 339 [2025-03-08 18:08:23,648 INFO L226 Difference]: Without dead ends: 337 [2025-03-08 18:08:23,650 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 368 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2025-03-08 18:08:23,650 INFO L435 NwaCegarLoop]: 426 mSDtfsCounter, 4 mSDsluCounter, 1258 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1684 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-08 18:08:23,651 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1684 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-08 18:08:23,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2025-03-08 18:08:23,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2025-03-08 18:08:23,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 220 states have (on average 1.2272727272727273) internal successors, (270), 222 states have internal predecessors, (270), 87 states have call successors, (87), 28 states have call predecessors, (87), 29 states have return successors, (86), 86 states have call predecessors, (86), 85 states have call successors, (86) [2025-03-08 18:08:23,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 443 transitions. [2025-03-08 18:08:23,698 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 443 transitions. Word has length 188 [2025-03-08 18:08:23,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:08:23,700 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 443 transitions. [2025-03-08 18:08:23,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2025-03-08 18:08:23,700 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 443 transitions. [2025-03-08 18:08:23,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2025-03-08 18:08:23,706 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:08:23,707 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:08:23,733 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-08 18:08:23,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2025-03-08 18:08:23,910 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:08:23,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:08:23,911 INFO L85 PathProgramCache]: Analyzing trace with hash -27542872, now seen corresponding path program 1 times [2025-03-08 18:08:23,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:08:23,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162895908] [2025-03-08 18:08:23,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:08:23,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:08:28,245 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 201 statements into 1 equivalence classes. [2025-03-08 18:08:28,335 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 201 of 201 statements. [2025-03-08 18:08:28,335 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:08:28,335 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:08:31,651 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-03-08 18:08:31,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:08:31,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162895908] [2025-03-08 18:08:31,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162895908] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:08:31,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723720578] [2025-03-08 18:08:31,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:08:31,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:08:31,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:08:31,653 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) [2025-03-08 18:08:31,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-08 18:08:36,664 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 201 statements into 1 equivalence classes. [2025-03-08 18:08:37,219 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 201 of 201 statements. [2025-03-08 18:08:37,219 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:08:37,219 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:08:37,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 4601 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-03-08 18:08:37,256 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:08:37,956 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 [2025-03-08 18:08:39,768 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2025-03-08 18:08:39,769 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:08:39,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [723720578] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:08:39,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:08:39,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [10] total 15 [2025-03-08 18:08:39,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140360932] [2025-03-08 18:08:39,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:08:39,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-08 18:08:39,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:08:39,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-08 18:08:39,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2025-03-08 18:08:39,775 INFO L87 Difference]: Start difference. First operand 337 states and 443 transitions. Second operand has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 9 states have internal predecessors, (87), 4 states have call successors, (34), 3 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2025-03-08 18:08:50,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:08:50,264 INFO L93 Difference]: Finished difference Result 644 states and 857 transitions. [2025-03-08 18:08:50,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-08 18:08:50,264 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 9 states have internal predecessors, (87), 4 states have call successors, (34), 3 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 201 [2025-03-08 18:08:50,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:08:50,273 INFO L225 Difference]: With dead ends: 644 [2025-03-08 18:08:50,273 INFO L226 Difference]: Without dead ends: 368 [2025-03-08 18:08:50,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2025-03-08 18:08:50,278 INFO L435 NwaCegarLoop]: 398 mSDtfsCounter, 403 mSDsluCounter, 2029 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 2427 SdHoareTripleChecker+Invalid, 895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2025-03-08 18:08:50,279 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 2427 Invalid, 895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2025-03-08 18:08:50,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2025-03-08 18:08:50,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 358. [2025-03-08 18:08:50,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 237 states have (on average 1.2236286919831223) internal successors, (290), 240 states have internal predecessors, (290), 87 states have call successors, (87), 31 states have call predecessors, (87), 33 states have return successors, (89), 86 states have call predecessors, (89), 85 states have call successors, (89) [2025-03-08 18:08:50,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 466 transitions. [2025-03-08 18:08:50,322 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 466 transitions. Word has length 201 [2025-03-08 18:08:50,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:08:50,323 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 466 transitions. [2025-03-08 18:08:50,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 9 states have internal predecessors, (87), 4 states have call successors, (34), 3 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2025-03-08 18:08:50,323 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 466 transitions. [2025-03-08 18:08:50,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2025-03-08 18:08:50,329 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:08:50,330 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:08:50,372 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-08 18:08:50,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:08:50,531 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:08:50,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:08:50,531 INFO L85 PathProgramCache]: Analyzing trace with hash 739969318, now seen corresponding path program 1 times [2025-03-08 18:08:50,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:08:50,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767485078] [2025-03-08 18:08:50,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:08:50,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:08:54,668 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 201 statements into 1 equivalence classes. [2025-03-08 18:08:54,790 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 201 of 201 statements. [2025-03-08 18:08:54,790 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:08:54,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:08:55,825 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-03-08 18:08:55,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:08:55,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767485078] [2025-03-08 18:08:55,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767485078] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:08:55,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961361786] [2025-03-08 18:08:55,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:08:55,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:08:55,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:08:55,828 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) [2025-03-08 18:08:55,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-08 18:09:00,760 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 201 statements into 1 equivalence classes. [2025-03-08 18:09:01,307 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 201 of 201 statements. [2025-03-08 18:09:01,307 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:09:01,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:09:01,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 4591 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-08 18:09:01,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:09:02,389 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2025-03-08 18:09:02,394 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:09:02,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [961361786] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:09:02,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:09:02,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-03-08 18:09:02,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22773423] [2025-03-08 18:09:02,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:09:02,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 18:09:02,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:09:02,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 18:09:02,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-03-08 18:09:02,399 INFO L87 Difference]: Start difference. First operand 358 states and 466 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2025-03-08 18:09:04,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:09:04,371 INFO L93 Difference]: Finished difference Result 644 states and 855 transitions. [2025-03-08 18:09:04,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 18:09:04,372 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 201 [2025-03-08 18:09:04,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:09:04,379 INFO L225 Difference]: With dead ends: 644 [2025-03-08 18:09:04,381 INFO L226 Difference]: Without dead ends: 363 [2025-03-08 18:09:04,384 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2025-03-08 18:09:04,385 INFO L435 NwaCegarLoop]: 381 mSDtfsCounter, 446 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 1086 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-03-08 18:09:04,385 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 1086 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-03-08 18:09:04,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2025-03-08 18:09:04,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 360. [2025-03-08 18:09:04,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 238 states have (on average 1.2226890756302522) internal successors, (291), 241 states have internal predecessors, (291), 88 states have call successors, (88), 31 states have call predecessors, (88), 33 states have return successors, (90), 87 states have call predecessors, (90), 86 states have call successors, (90) [2025-03-08 18:09:04,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 469 transitions. [2025-03-08 18:09:04,441 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 469 transitions. Word has length 201 [2025-03-08 18:09:04,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:09:04,442 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 469 transitions. [2025-03-08 18:09:04,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2025-03-08 18:09:04,442 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 469 transitions. [2025-03-08 18:09:04,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2025-03-08 18:09:04,451 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:09:04,452 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:09:04,490 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-08 18:09:04,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:09:04,653 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:09:04,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:09:04,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1700352248, now seen corresponding path program 1 times [2025-03-08 18:09:04,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:09:04,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313804648] [2025-03-08 18:09:04,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:09:04,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms