./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.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 c8b8f2658d38f1d4b62f5a688e80bc5ee30c846710ec78d96c7425bfc1b2b470 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:54:19,766 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:54:19,820 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:54:19,827 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:54:19,827 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:54:19,849 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:54:19,850 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:54:19,850 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:54:19,850 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:54:19,851 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:54:19,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:54:19,852 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:54:19,852 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:54:19,852 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:54:19,852 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:54:19,853 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:54:19,853 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:54:19,853 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:54:19,853 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:54:19,853 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:54:19,853 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:54:19,853 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:54:19,853 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:54:19,853 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:54:19,853 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:54:19,853 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:54:19,853 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:54:19,853 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:54:19,853 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:54:19,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:54:19,853 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:54:19,853 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:54:19,853 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:54:19,853 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:54:19,853 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:54:19,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:54:19,854 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:54:19,854 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:54:19,854 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:54:19,854 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:54:19,854 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 -> c8b8f2658d38f1d4b62f5a688e80bc5ee30c846710ec78d96c7425bfc1b2b470 [2025-03-04 02:54:20,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:54:20,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:54:20,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:54:20,121 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:54:20,121 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:54:20,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i [2025-03-04 02:54:21,301 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d39b847b9/32f492abeebb47f4aec0824c6ea80882/FLAG47116ff6c [2025-03-04 02:54:21,811 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:54:21,812 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i [2025-03-04 02:54:21,850 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d39b847b9/32f492abeebb47f4aec0824c6ea80882/FLAG47116ff6c [2025-03-04 02:54:21,862 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d39b847b9/32f492abeebb47f4aec0824c6ea80882 [2025-03-04 02:54:21,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:54:21,865 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:54:21,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:54:21,867 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:54:21,869 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:54:21,870 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:54:21" (1/1) ... [2025-03-04 02:54:21,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@785336be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:21, skipping insertion in model container [2025-03-04 02:54:21,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:54:21" (1/1) ... [2025-03-04 02:54:21,947 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:54:22,211 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_find_harness.i[4493,4506] [2025-03-04 02:54:22,219 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i[4553,4566] [2025-03-04 02:54:23,089 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,090 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,090 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,090 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,091 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,101 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,102 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,103 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,103 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,108 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,109 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,110 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,111 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,866 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,867 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,884 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,884 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,889 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,889 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,899 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,900 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,900 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,900 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,901 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,901 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,901 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:23,928 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i[228012,228025] [2025-03-04 02:54:23,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:54:23,959 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:54:23,968 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i[4493,4506] [2025-03-04 02:54:23,968 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i[4553,4566] [2025-03-04 02:54:24,003 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,004 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,004 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,005 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,005 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,012 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,013 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,014 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,014 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,014 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,015 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,015 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,015 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2025-03-04 02:54:24,149 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,150 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,154 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,155 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,157 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,157 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,165 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,167 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,167 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,167 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,167 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,168 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,169 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:24,182 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i[228012,228025] [2025-03-04 02:54:24,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:54:24,348 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:54:24,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:24 WrapperNode [2025-03-04 02:54:24,349 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:54:24,350 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:54:24,350 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:54:24,350 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:54:24,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:24" (1/1) ... [2025-03-04 02:54:24,419 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:24" (1/1) ... [2025-03-04 02:54:24,491 INFO L138 Inliner]: procedures = 763, calls = 2450, calls flagged for inlining = 70, calls inlined = 20, statements flattened = 867 [2025-03-04 02:54:24,492 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:54:24,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:54:24,492 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:54:24,492 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:54:24,501 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:24" (1/1) ... [2025-03-04 02:54:24,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:24" (1/1) ... [2025-03-04 02:54:24,506 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:24" (1/1) ... [2025-03-04 02:54:24,551 INFO L175 MemorySlicer]: Split 315 memory accesses to 12 slices as follows [238, 2, 36, 6, 2, 6, 3, 9, 4, 1, 3, 5]. 76 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [6, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5]. The 249 writes are split as follows [232, 0, 3, 2, 1, 2, 1, 1, 3, 1, 3, 0]. [2025-03-04 02:54:24,551 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:24" (1/1) ... [2025-03-04 02:54:24,551 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:24" (1/1) ... [2025-03-04 02:54:24,575 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:24" (1/1) ... [2025-03-04 02:54:24,580 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:24" (1/1) ... [2025-03-04 02:54:24,588 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:24" (1/1) ... [2025-03-04 02:54:24,598 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:24" (1/1) ... [2025-03-04 02:54:24,614 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:54:24,615 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:54:24,615 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:54:24,615 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:54:24,616 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:24" (1/1) ... [2025-03-04 02:54:24,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:54:24,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:54:24,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 02:54:24,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 02:54:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-04 02:54:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-04 02:54:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-04 02:54:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-04 02:54:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-04 02:54:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-04 02:54:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-04 02:54:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-03-04 02:54:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-03-04 02:54:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-03-04 02:54:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2025-03-04 02:54:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2025-03-04 02:54:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2025-03-04 02:54:24,667 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2025-03-04 02:54:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-03-04 02:54:24,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 02:54:24,668 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:54:24,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-03-04 02:54:24,668 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-03-04 02:54:24,668 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:54:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:54:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:54:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 02:54:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 02:54:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 02:54:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-04 02:54:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-04 02:54:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-04 02:54:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-04 02:54:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-03-04 02:54:24,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-03-04 02:54:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2025-03-04 02:54:24,669 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2025-03-04 02:54:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:54:24,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:54:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:54:24,669 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:54:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-04 02:54:24,669 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-04 02:54:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:54:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:54:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:54:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:54:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:54:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 02:54:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 02:54:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 02:54:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-04 02:54:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-04 02:54:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-04 02:54:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-04 02:54:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2025-03-04 02:54:24,672 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2025-03-04 02:54:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:54:24,672 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:54:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:54:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-04 02:54:24,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-04 02:54:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:54:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:54:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:54:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:54:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:54:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 02:54:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 02:54:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 02:54:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-04 02:54:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-03-04 02:54:24,673 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-04 02:54:24,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-04 02:54:24,673 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 02:54:24,673 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_find [2025-03-04 02:54:24,673 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_find [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2025-03-04 02:54:24,673 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure uninterpreted_equals [2025-03-04 02:54:24,673 INFO L138 BoogieDeclarations]: Found implementation of procedure uninterpreted_equals [2025-03-04 02:54:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-04 02:54:24,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-04 02:54:24,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:54:24,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:54:24,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:54:24,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:54:24,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:54:24,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 02:54:24,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 02:54:24,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 02:54:24,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-04 02:54:24,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-04 02:54:24,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-04 02:54:24,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-04 02:54:24,676 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-03-04 02:54:24,677 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-03-04 02:54:25,039 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:54:25,042 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:54:25,074 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6947: havoc #t~malloc588.base, #t~malloc588.offset; [2025-03-04 02:54:25,106 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9136-1: assume false; [2025-03-04 02:54:25,107 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9136-1: assume !false; [2025-03-04 02:54:25,131 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-04 02:54:25,133 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 02:54:25,264 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9327: havoc #t~ret1201#1; [2025-03-04 02:54:25,286 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9410-1: assume false; [2025-03-04 02:54:25,286 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9410-1: assume !false; [2025-03-04 02:54:25,326 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7373: havoc uninterpreted_hasher_#t~ret689#1; [2025-03-04 02:54:25,326 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9097-1: assume false; [2025-03-04 02:54:25,326 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9097-1: assume !false; [2025-03-04 02:54:25,380 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10103: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-03-04 02:54:25,412 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9990: havoc #t~mem1489.base, #t~mem1489.offset;havoc #t~short1490;havoc #t~mem1491.base, #t~mem1491.offset;havoc #t~ret1492;havoc #t~short1493; [2025-03-04 02:54:25,437 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7356: havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1; [2025-03-04 02:54:25,437 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7287: havoc nondet_compare_#t~ret677#1; [2025-03-04 02:54:25,437 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-04 02:54:25,451 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9123: havoc #t~ret1140; [2025-03-04 02:54:25,473 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-03-04 02:54:25,488 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-04 02:54:30,568 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-04 02:54:30,568 INFO L1325 $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; [2025-03-04 02:54:30,568 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6843: havoc hash_table_state_has_an_empty_slot_#t~mem571#1; [2025-03-04 02:54:30,637 INFO L? ?]: Removed 281 outVars from TransFormulas that were not future-live. [2025-03-04 02:54:30,637 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:54:30,652 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:54:30,656 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:54:30,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:54:30 BoogieIcfgContainer [2025-03-04 02:54:30,657 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:54:30,658 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:54:30,659 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:54:30,662 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:54:30,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:54:21" (1/3) ... [2025-03-04 02:54:30,663 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a586d87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:54:30, skipping insertion in model container [2025-03-04 02:54:30,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:24" (2/3) ... [2025-03-04 02:54:30,664 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a586d87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:54:30, skipping insertion in model container [2025-03-04 02:54:30,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:54:30" (3/3) ... [2025-03-04 02:54:30,665 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_find_harness.i [2025-03-04 02:54:30,675 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:54:30,677 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_find_harness.i that has 23 procedures, 264 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-03-04 02:54:30,715 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:54:30,722 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;@15876b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:54:30,722 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:54:30,728 INFO L276 IsEmpty]: Start isEmpty. Operand has 264 states, 175 states have (on average 1.2342857142857142) internal successors, (216), 173 states have internal predecessors, (216), 68 states have call successors, (68), 22 states have call predecessors, (68), 22 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2025-03-04 02:54:30,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2025-03-04 02:54:30,736 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:54:30,737 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:54:30,737 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:54:30,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:54:30,740 INFO L85 PathProgramCache]: Analyzing trace with hash 115322286, now seen corresponding path program 1 times [2025-03-04 02:54:30,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:54:30,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116551344] [2025-03-04 02:54:30,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:54:30,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:54:34,939 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-03-04 02:54:35,227 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-03-04 02:54:35,232 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:54:35,232 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:54:35,708 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2025-03-04 02:54:35,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:54:35,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116551344] [2025-03-04 02:54:35,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116551344] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:54:35,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046512391] [2025-03-04 02:54:35,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:54:35,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:54:35,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:54:35,713 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 02:54:35,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 02:54:39,859 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-03-04 02:54:40,322 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-03-04 02:54:40,323 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:54:40,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:54:40,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 4655 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 02:54:40,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:54:40,372 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2025-03-04 02:54:40,373 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 02:54:40,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046512391] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:54:40,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 02:54:40,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-04 02:54:40,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52559009] [2025-03-04 02:54:40,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:54:40,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 02:54:40,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:54:40,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 02:54:40,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 02:54:40,399 INFO L87 Difference]: Start difference. First operand has 264 states, 175 states have (on average 1.2342857142857142) internal successors, (216), 173 states have internal predecessors, (216), 68 states have call successors, (68), 22 states have call predecessors, (68), 22 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) Second operand has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-03-04 02:54:40,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:54:40,489 INFO L93 Difference]: Finished difference Result 522 states and 749 transitions. [2025-03-04 02:54:40,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 02:54:40,491 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 184 [2025-03-04 02:54:40,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:54:40,498 INFO L225 Difference]: With dead ends: 522 [2025-03-04 02:54:40,498 INFO L226 Difference]: Without dead ends: 257 [2025-03-04 02:54:40,506 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 02:54:40,509 INFO L435 NwaCegarLoop]: 340 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 02:54:40,509 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 340 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 02:54:40,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2025-03-04 02:54:40,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2025-03-04 02:54:40,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 166 states have (on average 1.2228915662650603) internal successors, (203), 167 states have internal predecessors, (203), 68 states have call successors, (68), 22 states have call predecessors, (68), 22 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2025-03-04 02:54:40,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 338 transitions. [2025-03-04 02:54:40,561 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 338 transitions. Word has length 184 [2025-03-04 02:54:40,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:54:40,562 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 338 transitions. [2025-03-04 02:54:40,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-03-04 02:54:40,563 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 338 transitions. [2025-03-04 02:54:40,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2025-03-04 02:54:40,567 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:54:40,568 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:54:40,585 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-04 02:54:40,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-04 02:54:40,769 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:54:40,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:54:40,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1812560880, now seen corresponding path program 1 times [2025-03-04 02:54:40,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:54:40,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931626281] [2025-03-04 02:54:40,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:54:40,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:54:44,670 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-03-04 02:54:44,806 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-03-04 02:54:44,806 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:54:44,806 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:54:45,903 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2025-03-04 02:54:45,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:54:45,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931626281] [2025-03-04 02:54:45,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931626281] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:54:45,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533340979] [2025-03-04 02:54:45,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:54:45,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:54:45,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:54:45,912 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 02:54:45,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 02:54:49,970 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-03-04 02:54:50,394 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-03-04 02:54:50,395 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:54:50,395 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:54:50,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 4655 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-03-04 02:54:50,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:54:51,550 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 30 proven. 9 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-03-04 02:54:51,551 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 02:54:53,695 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2025-03-04 02:54:53,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [533340979] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-04 02:54:53,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-03-04 02:54:53,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 8] total 13 [2025-03-04 02:54:53,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137559783] [2025-03-04 02:54:53,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:54:53,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 02:54:53,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:54:53,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 02:54:53,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2025-03-04 02:54:53,697 INFO L87 Difference]: Start difference. First operand 257 states and 338 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-03-04 02:54:54,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:54:54,324 INFO L93 Difference]: Finished difference Result 263 states and 343 transitions. [2025-03-04 02:54:54,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 02:54:54,325 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 184 [2025-03-04 02:54:54,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:54:54,328 INFO L225 Difference]: With dead ends: 263 [2025-03-04 02:54:54,328 INFO L226 Difference]: Without dead ends: 261 [2025-03-04 02:54:54,328 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2025-03-04 02:54:54,329 INFO L435 NwaCegarLoop]: 331 mSDtfsCounter, 4 mSDsluCounter, 976 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1307 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 02:54:54,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1307 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 02:54:54,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2025-03-04 02:54:54,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2025-03-04 02:54:54,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 169 states have (on average 1.2189349112426036) internal successors, (206), 170 states have internal predecessors, (206), 68 states have call successors, (68), 23 states have call predecessors, (68), 23 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2025-03-04 02:54:54,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 341 transitions. [2025-03-04 02:54:54,344 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 341 transitions. Word has length 184 [2025-03-04 02:54:54,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:54:54,344 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 341 transitions. [2025-03-04 02:54:54,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-03-04 02:54:54,345 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 341 transitions. [2025-03-04 02:54:54,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2025-03-04 02:54:54,347 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:54:54,347 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:54:54,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-04 02:54:54,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-04 02:54:54,548 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:54:54,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:54:54,548 INFO L85 PathProgramCache]: Analyzing trace with hash 668124267, now seen corresponding path program 1 times [2025-03-04 02:54:54,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:54:54,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866518612] [2025-03-04 02:54:54,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:54:54,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:54:58,528 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-03-04 02:54:58,615 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-03-04 02:54:58,616 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:54:58,616 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:54:59,452 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2025-03-04 02:54:59,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:54:59,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866518612] [2025-03-04 02:54:59,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866518612] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:54:59,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348426048] [2025-03-04 02:54:59,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:54:59,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:54:59,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:54:59,458 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 02:54:59,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 02:55:03,703 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-03-04 02:55:04,081 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-03-04 02:55:04,081 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:55:04,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:55:04,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 4689 conjuncts, 37 conjuncts are in the unsatisfiable core [2025-03-04 02:55:04,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:55:05,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-04 02:55:13,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2025-03-04 02:55:14,564 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2025-03-04 02:55:14,564 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 02:55:14,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1348426048] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:55:14,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 02:55:14,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [5] total 17 [2025-03-04 02:55:14,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743349636] [2025-03-04 02:55:14,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:55:14,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-04 02:55:14,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:55:14,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-04 02:55:14,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2025-03-04 02:55:14,567 INFO L87 Difference]: Start difference. First operand 261 states and 341 transitions. Second operand has 14 states, 12 states have (on average 7.333333333333333) internal successors, (88), 11 states have internal predecessors, (88), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (30), 7 states have call predecessors, (30), 7 states have call successors, (30) [2025-03-04 02:55:23,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:55:23,694 INFO L93 Difference]: Finished difference Result 482 states and 621 transitions. [2025-03-04 02:55:23,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-04 02:55:23,695 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 7.333333333333333) internal successors, (88), 11 states have internal predecessors, (88), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (30), 7 states have call predecessors, (30), 7 states have call successors, (30) Word has length 197 [2025-03-04 02:55:23,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:55:23,698 INFO L225 Difference]: With dead ends: 482 [2025-03-04 02:55:23,699 INFO L226 Difference]: Without dead ends: 316 [2025-03-04 02:55:23,700 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 159 SyntacticMatches, 27 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2025-03-04 02:55:23,700 INFO L435 NwaCegarLoop]: 339 mSDtfsCounter, 279 mSDsluCounter, 3227 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 3566 SdHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2025-03-04 02:55:23,701 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 3566 Invalid, 891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2025-03-04 02:55:23,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2025-03-04 02:55:23,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 314. [2025-03-04 02:55:23,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 206 states have (on average 1.2087378640776698) internal successors, (249), 208 states have internal predecessors, (249), 74 states have call successors, (74), 32 states have call predecessors, (74), 33 states have return successors, (76), 73 states have call predecessors, (76), 73 states have call successors, (76) [2025-03-04 02:55:23,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 399 transitions. [2025-03-04 02:55:23,724 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 399 transitions. Word has length 197 [2025-03-04 02:55:23,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:55:23,724 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 399 transitions. [2025-03-04 02:55:23,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 7.333333333333333) internal successors, (88), 11 states have internal predecessors, (88), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (30), 7 states have call predecessors, (30), 7 states have call successors, (30) [2025-03-04 02:55:23,725 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 399 transitions. [2025-03-04 02:55:23,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2025-03-04 02:55:23,727 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:55:23,728 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:55:23,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-04 02:55:23,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:55:23,929 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:55:23,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:55:23,929 INFO L85 PathProgramCache]: Analyzing trace with hash 490934556, now seen corresponding path program 1 times [2025-03-04 02:55:23,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:55:23,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671738667] [2025-03-04 02:55:23,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:55:23,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:55:27,725 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 204 statements into 1 equivalence classes. [2025-03-04 02:55:27,816 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 204 of 204 statements. [2025-03-04 02:55:27,816 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:55:27,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:55:28,704 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2025-03-04 02:55:28,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:55:28,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671738667] [2025-03-04 02:55:28,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671738667] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:55:28,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49955521] [2025-03-04 02:55:28,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:55:28,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:55:28,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:55:28,708 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 02:55:28,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-04 02:55:33,240 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 204 statements into 1 equivalence classes. [2025-03-04 02:55:33,674 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 204 of 204 statements. [2025-03-04 02:55:33,674 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:55:33,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:55:33,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 4721 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-03-04 02:55:33,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:55:34,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-04 02:55:36,203 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2025-03-04 02:55:36,204 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 02:55:36,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49955521] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:55:36,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 02:55:36,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2025-03-04 02:55:36,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657800140] [2025-03-04 02:55:36,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:55:36,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 02:55:36,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:55:36,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 02:55:36,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2025-03-04 02:55:36,205 INFO L87 Difference]: Start difference. First operand 314 states and 399 transitions. Second operand has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 9 states have internal predecessors, (96), 4 states have call successors, (34), 3 states have call predecessors, (34), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2025-03-04 02:55:43,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:55:43,148 INFO L93 Difference]: Finished difference Result 564 states and 732 transitions. [2025-03-04 02:55:43,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 02:55:43,149 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 9 states have internal predecessors, (96), 4 states have call successors, (34), 3 states have call predecessors, (34), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 204 [2025-03-04 02:55:43,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:55:43,151 INFO L225 Difference]: With dead ends: 564 [2025-03-04 02:55:43,151 INFO L226 Difference]: Without dead ends: 322 [2025-03-04 02:55:43,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2025-03-04 02:55:43,153 INFO L435 NwaCegarLoop]: 357 mSDtfsCounter, 279 mSDsluCounter, 2120 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 2477 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2025-03-04 02:55:43,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 2477 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 669 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2025-03-04 02:55:43,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2025-03-04 02:55:43,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 319. [2025-03-04 02:55:43,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 210 states have (on average 1.2095238095238094) internal successors, (254), 213 states have internal predecessors, (254), 74 states have call successors, (74), 32 states have call predecessors, (74), 34 states have return successors, (78), 73 states have call predecessors, (78), 73 states have call successors, (78) [2025-03-04 02:55:43,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 406 transitions. [2025-03-04 02:55:43,176 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 406 transitions. Word has length 204 [2025-03-04 02:55:43,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:55:43,176 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 406 transitions. [2025-03-04 02:55:43,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 9 states have internal predecessors, (96), 4 states have call successors, (34), 3 states have call predecessors, (34), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2025-03-04 02:55:43,176 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 406 transitions. [2025-03-04 02:55:43,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2025-03-04 02:55:43,179 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:55:43,180 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:55:43,199 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-04 02:55:43,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:55:43,380 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:55:43,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:55:43,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1023755012, now seen corresponding path program 1 times [2025-03-04 02:55:43,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:55:43,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755567639] [2025-03-04 02:55:43,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:55:43,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:55:47,057 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 204 statements into 1 equivalence classes. [2025-03-04 02:55:47,136 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 204 of 204 statements. [2025-03-04 02:55:47,136 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:55:47,136 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:55:47,883 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2025-03-04 02:55:47,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:55:47,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755567639] [2025-03-04 02:55:47,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755567639] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:55:47,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150852837] [2025-03-04 02:55:47,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:55:47,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:55:47,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:55:47,887 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 02:55:47,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-04 02:55:52,436 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 204 statements into 1 equivalence classes. [2025-03-04 02:55:52,927 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 204 of 204 statements. [2025-03-04 02:55:52,928 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:55:52,928 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:55:52,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 4711 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-04 02:55:52,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:55:53,863 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2025-03-04 02:55:53,864 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 02:55:53,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150852837] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:55:53,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 02:55:53,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-03-04 02:55:53,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042545270] [2025-03-04 02:55:53,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:55:53,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 02:55:53,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:55:53,865 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 02:55:53,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-03-04 02:55:53,865 INFO L87 Difference]: Start difference. First operand 319 states and 406 transitions. Second operand has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31)