./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2e69d0ba5182ea14058c8293e8c1aea9ca71843fb723868a6419c81ddb81574e --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 18:06:02,174 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 18:06:02,229 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 18:06:02,232 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 18:06:02,233 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 18:06:02,249 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 18:06:02,250 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 18:06:02,251 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 18:06:02,251 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 18:06:02,251 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 18:06:02,252 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 18:06:02,252 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 18:06:02,252 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 18:06:02,253 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 18:06:02,253 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 18:06:02,253 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 18:06:02,253 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 18:06:02,253 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 18:06:02,254 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 18:06:02,254 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 18:06:02,254 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 18:06:02,254 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 18:06:02,254 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 18:06:02,254 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 18:06:02,254 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 18:06:02,254 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 18:06:02,254 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 18:06:02,254 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 18:06:02,254 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 18:06:02,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:06:02,255 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 18:06:02,255 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 18:06:02,255 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 18:06:02,255 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 18:06:02,255 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 18:06:02,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 18:06:02,255 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 18:06:02,255 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 18:06:02,255 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 18:06:02,255 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 18:06:02,255 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 -> 2e69d0ba5182ea14058c8293e8c1aea9ca71843fb723868a6419c81ddb81574e [2025-03-08 18:06:02,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 18:06:02,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 18:06:02,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 18:06:02,475 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 18:06:02,476 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 18:06:02,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness_negated.i [2025-03-08 18:06:03,623 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9f53df22/1179bc7552f242838c9da5ae71399c24/FLAG047cf5b92 [2025-03-08 18:06:04,129 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 18:06:04,130 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness_negated.i [2025-03-08 18:06:04,174 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9f53df22/1179bc7552f242838c9da5ae71399c24/FLAG047cf5b92 [2025-03-08 18:06:04,204 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9f53df22/1179bc7552f242838c9da5ae71399c24 [2025-03-08 18:06:04,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 18:06:04,207 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 18:06:04,208 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 18:06:04,209 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 18:06:04,212 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 18:06:04,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:06:04" (1/1) ... [2025-03-08 18:06:04,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aeeed1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:04, skipping insertion in model container [2025-03-08 18:06:04,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:06:04" (1/1) ... [2025-03-08 18:06:04,288 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 18:06:04,495 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_foreach_harness_negated.i[4496,4509] [2025-03-08 18:06:04,503 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_foreach_harness_negated.i[4556,4569] [2025-03-08 18:06:05,097 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:05,098 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:05,098 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:05,098 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:05,099 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:05,109 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:05,109 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:05,111 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:05,111 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:05,112 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:05,113 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:05,113 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:05,113 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:05,978 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:05,978 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,016 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,016 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,024 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,026 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,047 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,049 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,050 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,051 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,051 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,051 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,051 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,090 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_foreach_harness_negated.i[227893,227906] [2025-03-08 18:06:06,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:06:06,127 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 18:06:06,138 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_foreach_harness_negated.i[4496,4509] [2025-03-08 18:06:06,140 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_foreach_harness_negated.i[4556,4569] [2025-03-08 18:06:06,183 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,184 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,184 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,184 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,185 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,189 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,191 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,192 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,192 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,193 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,193 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,193 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,194 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,266 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] [2025-03-08 18:06:06,374 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,379 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,387 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,387 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,389 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,389 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,403 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,403 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,403 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,403 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,403 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,404 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,404 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:06:06,429 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_foreach_harness_negated.i[227893,227906] [2025-03-08 18:06:06,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:06:06,572 INFO L204 MainTranslator]: Completed translation [2025-03-08 18:06:06,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:06 WrapperNode [2025-03-08 18:06:06,573 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 18:06:06,574 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 18:06:06,574 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 18:06:06,575 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 18:06:06,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:06" (1/1) ... [2025-03-08 18:06:06,655 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:06" (1/1) ... [2025-03-08 18:06:06,740 INFO L138 Inliner]: procedures = 764, calls = 2430, calls flagged for inlining = 70, calls inlined = 18, statements flattened = 967 [2025-03-08 18:06:06,741 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 18:06:06,741 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 18:06:06,741 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 18:06:06,741 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 18:06:06,752 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:06" (1/1) ... [2025-03-08 18:06:06,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:06" (1/1) ... [2025-03-08 18:06:06,770 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:06" (1/1) ... [2025-03-08 18:06:06,847 INFO L175 MemorySlicer]: Split 377 memory accesses to 7 slices as follows [2, 249, 2, 73, 44, 2, 5]. 66 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [2, 6, 0, 9, 0, 0, 5]. The 257 writes are split as follows [0, 233, 1, 14, 8, 1, 0]. [2025-03-08 18:06:06,847 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:06" (1/1) ... [2025-03-08 18:06:06,848 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:06" (1/1) ... [2025-03-08 18:06:06,883 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:06" (1/1) ... [2025-03-08 18:06:06,886 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:06" (1/1) ... [2025-03-08 18:06:06,895 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:06" (1/1) ... [2025-03-08 18:06:06,902 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:06" (1/1) ... [2025-03-08 18:06:06,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 18:06:06,927 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 18:06:06,928 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 18:06:06,928 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 18:06:06,929 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:06" (1/1) ... [2025-03-08 18:06:06,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:06:06,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:06:06,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 18:06:06,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 18:06:06,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-08 18:06:06,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-08 18:06:06,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-08 18:06:06,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-08 18:06:06,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-08 18:06:06,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-08 18:06:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-08 18:06:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-03-08 18:06:06,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-03-08 18:06:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 18:06:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 18:06:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 18:06:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 18:06:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 18:06:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 18:06:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 18:06:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 18:06:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 18:06:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 18:06:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 18:06:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 18:06:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 18:06:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 18:06:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 18:06:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-08 18:06:06,990 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-08 18:06:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 18:06:06,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 18:06:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-03-08 18:06:06,990 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-03-08 18:06:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 18:06:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 18:06:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-03-08 18:06:06,990 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-03-08 18:06:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 18:06:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 18:06:06,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 18:06:06,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 18:06:06,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 18:06:06,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 18:06:06,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 18:06:06,992 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-08 18:06:06,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-08 18:06:06,992 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-03-08 18:06:06,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-03-08 18:06:06,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 18:06:06,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 18:06:06,992 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 18:06:06,992 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 18:06:06,992 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-08 18:06:06,992 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-08 18:06:06,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 18:06:06,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 18:06:06,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 18:06:06,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 18:06:06,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 18:06:06,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 18:06:06,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 18:06:06,993 INFO L130 BoogieDeclarations]: Found specification of procedure s_get_next_element [2025-03-08 18:06:06,993 INFO L138 BoogieDeclarations]: Found implementation of procedure s_get_next_element [2025-03-08 18:06:06,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-08 18:06:06,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-08 18:06:06,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-08 18:06:06,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-08 18:06:06,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-08 18:06:06,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-08 18:06:06,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-08 18:06:06,993 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-08 18:06:06,993 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-08 18:06:06,993 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-08 18:06:06,993 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-08 18:06:06,993 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-08 18:06:06,993 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-08 18:06:06,993 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-08 18:06:06,993 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 18:06:06,993 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 18:06:06,993 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_int [2025-03-08 18:06:06,993 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_int [2025-03-08 18:06:06,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 18:06:06,994 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2025-03-08 18:06:06,994 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2025-03-08 18:06:06,994 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-08 18:06:06,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-08 18:06:06,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 18:06:06,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 18:06:06,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 18:06:06,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 18:06:06,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 18:06:06,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 18:06:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 18:06:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-03-08 18:06:06,995 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-03-08 18:06:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 18:06:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 18:06:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 18:06:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 18:06:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 18:06:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 18:06:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 18:06:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-08 18:06:06,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-08 18:06:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-08 18:06:06,995 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-08 18:06:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 18:06:06,995 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 18:06:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_entry [2025-03-08 18:06:06,995 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_entry [2025-03-08 18:06:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 18:06:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 18:06:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 18:06:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 18:06:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 18:06:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 18:06:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 18:06:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 18:06:06,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 18:06:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 18:06:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 18:06:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 18:06:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 18:06:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 18:06:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 18:06:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 18:06:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-03-08 18:06:06,995 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-03-08 18:06:07,381 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 18:06:07,384 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 18:06:07,433 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc588.base, #t~malloc588.offset; [2025-03-08 18:06:07,440 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc #t~nondet5; [2025-03-08 18:06:07,461 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10069: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-03-08 18:06:07,555 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-08 18:06:07,557 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 18:06:07,630 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9956: havoc #t~mem1489.base, #t~mem1489.offset;havoc #t~short1490;havoc #t~mem1491.base, #t~mem1491.offset;havoc #t~ret1492;havoc #t~short1493; [2025-03-08 18:06:07,731 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9110-1: assume false; [2025-03-08 18:06:07,731 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9110-1: assume !false; [2025-03-08 18:06:07,731 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9606-1: assume false; [2025-03-08 18:06:07,731 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9606-1: assume !false; [2025-03-08 18:06:07,826 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10082: havoc hash_table_foreach_proof_callback_#t~ret1533#1; [2025-03-08 18:06:07,826 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7328: havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1; [2025-03-08 18:06:07,826 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7271: havoc nondet_compare_#t~ret677#1; [2025-03-08 18:06:07,864 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-03-08 18:06:07,875 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-08 18:06:13,105 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9791-2: havoc aws_hash_iter_begin_#t~mem1400#1.base, aws_hash_iter_begin_#t~mem1400#1.offset;havoc aws_hash_iter_begin_#t~mem1401#1.base, aws_hash_iter_begin_#t~mem1401#1.offset;havoc aws_hash_iter_begin_#t~mem1402#1.base, aws_hash_iter_begin_#t~mem1402#1.offset;havoc aws_hash_iter_begin_#t~mem1403#1;havoc aws_hash_iter_begin_#t~mem1404#1;havoc aws_hash_iter_begin_#t~mem1405#1;havoc aws_hash_iter_begin_#t~mem1406#1;havoc aws_hash_iter_begin_#t~mem1407#1.base, aws_hash_iter_begin_#t~mem1407#1.offset;havoc aws_hash_iter_begin_#t~mem1408#1.base, aws_hash_iter_begin_#t~mem1408#1.offset; [2025-03-08 18:06:13,105 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9791-1: assume false; [2025-03-08 18:06:13,105 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9791-1: assume !false; [2025-03-08 18:06:13,203 INFO L? ?]: Removed 285 outVars from TransFormulas that were not future-live. [2025-03-08 18:06:13,204 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 18:06:13,228 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 18:06:13,228 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 18:06:13,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:06:13 BoogieIcfgContainer [2025-03-08 18:06:13,229 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 18:06:13,231 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 18:06:13,231 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 18:06:13,234 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 18:06:13,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:06:04" (1/3) ... [2025-03-08 18:06:13,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e2bf6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:06:13, skipping insertion in model container [2025-03-08 18:06:13,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:06" (2/3) ... [2025-03-08 18:06:13,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e2bf6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:06:13, skipping insertion in model container [2025-03-08 18:06:13,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:06:13" (3/3) ... [2025-03-08 18:06:13,236 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_foreach_harness_negated.i [2025-03-08 18:06:13,246 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 18:06:13,248 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_foreach_harness_negated.i that has 29 procedures, 325 locations, 1 initial locations, 15 loop locations, and 1 error locations. [2025-03-08 18:06:13,297 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 18:06:13,308 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;@6c481ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 18:06:13,309 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 18:06:13,314 INFO L276 IsEmpty]: Start isEmpty. Operand has 305 states, 203 states have (on average 1.2857142857142858) internal successors, (261), 200 states have internal predecessors, (261), 81 states have call successors, (81), 23 states have call predecessors, (81), 23 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2025-03-08 18:06:13,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-03-08 18:06:13,325 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:06:13,327 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:06:13,327 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:06:13,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:06:13,332 INFO L85 PathProgramCache]: Analyzing trace with hash -169720097, now seen corresponding path program 1 times [2025-03-08 18:06:13,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:06:13,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543058149] [2025-03-08 18:06:13,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:06:13,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:06:17,615 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-08 18:06:17,920 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-08 18:06:17,921 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:06:17,922 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:06:18,399 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2025-03-08 18:06:18,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:06:18,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543058149] [2025-03-08 18:06:18,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543058149] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:06:18,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729426784] [2025-03-08 18:06:18,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:06:18,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:06:18,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:06:18,404 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:06:18,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 18:06:22,852 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-08 18:06:23,366 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-08 18:06:23,366 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:06:23,366 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:06:23,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 4359 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 18:06:23,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:06:23,425 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2025-03-08 18:06:23,425 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:06:23,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729426784] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:06:23,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:06:23,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 18:06:23,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963154245] [2025-03-08 18:06:23,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:06:23,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 18:06:23,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:06:23,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 18:06:23,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 18:06:23,458 INFO L87 Difference]: Start difference. First operand has 305 states, 203 states have (on average 1.2857142857142858) internal successors, (261), 200 states have internal predecessors, (261), 81 states have call successors, (81), 23 states have call predecessors, (81), 23 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-03-08 18:06:23,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:06:23,554 INFO L93 Difference]: Finished difference Result 601 states and 899 transitions. [2025-03-08 18:06:23,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 18:06:23,556 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 121 [2025-03-08 18:06:23,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:06:23,567 INFO L225 Difference]: With dead ends: 601 [2025-03-08 18:06:23,567 INFO L226 Difference]: Without dead ends: 299 [2025-03-08 18:06:23,576 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 18:06:23,580 INFO L435 NwaCegarLoop]: 406 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, 406 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 [2025-03-08 18:06:23,580 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 406 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 18:06:23,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2025-03-08 18:06:23,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2025-03-08 18:06:23,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 194 states have (on average 1.2577319587628866) internal successors, (244), 195 states have internal predecessors, (244), 81 states have call successors, (81), 23 states have call predecessors, (81), 23 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2025-03-08 18:06:23,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 405 transitions. [2025-03-08 18:06:23,639 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 405 transitions. Word has length 121 [2025-03-08 18:06:23,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:06:23,639 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 405 transitions. [2025-03-08 18:06:23,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-03-08 18:06:23,640 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 405 transitions. [2025-03-08 18:06:23,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-03-08 18:06:23,644 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:06:23,645 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:06:23,662 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-08 18:06:23,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-08 18:06:23,846 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:06:23,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:06:23,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1956029774, now seen corresponding path program 1 times [2025-03-08 18:06:23,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:06:23,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616514981] [2025-03-08 18:06:23,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:06:23,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:06:27,777 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-03-08 18:06:27,919 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-03-08 18:06:27,920 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:06:27,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:06:29,062 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2025-03-08 18:06:29,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:06:29,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616514981] [2025-03-08 18:06:29,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616514981] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:06:29,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 18:06:29,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 18:06:29,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173430721] [2025-03-08 18:06:29,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:06:29,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 18:06:29,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:06:29,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 18:06:29,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 18:06:29,067 INFO L87 Difference]: Start difference. First operand 299 states and 405 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2025-03-08 18:06:29,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:06:29,444 INFO L93 Difference]: Finished difference Result 558 states and 763 transitions. [2025-03-08 18:06:29,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 18:06:29,445 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 127 [2025-03-08 18:06:29,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:06:29,448 INFO L225 Difference]: With dead ends: 558 [2025-03-08 18:06:29,448 INFO L226 Difference]: Without dead ends: 304 [2025-03-08 18:06:29,449 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 18:06:29,449 INFO L435 NwaCegarLoop]: 398 mSDtfsCounter, 0 mSDsluCounter, 1190 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1588 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-08 18:06:29,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1588 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-08 18:06:29,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2025-03-08 18:06:29,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2025-03-08 18:06:29,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 198 states have (on average 1.2525252525252526) internal successors, (248), 199 states have internal predecessors, (248), 81 states have call successors, (81), 23 states have call predecessors, (81), 24 states have return successors, (81), 81 states have call predecessors, (81), 80 states have call successors, (81) [2025-03-08 18:06:29,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 410 transitions. [2025-03-08 18:06:29,466 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 410 transitions. Word has length 127 [2025-03-08 18:06:29,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:06:29,468 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 410 transitions. [2025-03-08 18:06:29,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2025-03-08 18:06:29,468 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 410 transitions. [2025-03-08 18:06:29,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-03-08 18:06:29,473 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:06:29,474 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:06:29,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 18:06:29,474 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:06:29,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:06:29,475 INFO L85 PathProgramCache]: Analyzing trace with hash 238314451, now seen corresponding path program 1 times [2025-03-08 18:06:29,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:06:29,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192169213] [2025-03-08 18:06:29,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:06:29,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:06:33,395 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-03-08 18:06:33,523 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-03-08 18:06:33,524 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:06:33,524 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:06:37,212 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2025-03-08 18:06:37,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:06:37,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192169213] [2025-03-08 18:06:37,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192169213] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:06:37,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557255851] [2025-03-08 18:06:37,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:06:37,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:06:37,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:06:37,219 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:06:37,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 18:06:41,274 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-03-08 18:06:41,719 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-03-08 18:06:41,719 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:06:41,720 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:06:41,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 4388 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-08 18:06:41,753 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:06:45,235 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2025-03-08 18:06:45,235 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 18:06:49,107 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2025-03-08 18:06:49,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557255851] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-08 18:06:49,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-03-08 18:06:49,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10, 8] total 21 [2025-03-08 18:06:49,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813529977] [2025-03-08 18:06:49,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:06:49,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-08 18:06:49,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:06:49,109 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-08 18:06:49,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2025-03-08 18:06:49,109 INFO L87 Difference]: Start difference. First operand 304 states and 410 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 7 states have internal predecessors, (58), 5 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2025-03-08 18:06:52,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:06:52,664 INFO L93 Difference]: Finished difference Result 551 states and 770 transitions. [2025-03-08 18:06:52,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-08 18:06:52,664 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 7 states have internal predecessors, (58), 5 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) Word has length 133 [2025-03-08 18:06:52,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:06:52,668 INFO L225 Difference]: With dead ends: 551 [2025-03-08 18:06:52,668 INFO L226 Difference]: Without dead ends: 325 [2025-03-08 18:06:52,670 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 254 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2025-03-08 18:06:52,670 INFO L435 NwaCegarLoop]: 363 mSDtfsCounter, 432 mSDsluCounter, 1445 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 1808 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2025-03-08 18:06:52,670 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 1808 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2025-03-08 18:06:52,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2025-03-08 18:06:52,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 319. [2025-03-08 18:06:52,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 206 states have (on average 1.2524271844660195) internal successors, (258), 208 states have internal predecessors, (258), 86 states have call successors, (86), 24 states have call predecessors, (86), 26 states have return successors, (93), 86 states have call predecessors, (93), 85 states have call successors, (93) [2025-03-08 18:06:52,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 437 transitions. [2025-03-08 18:06:52,700 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 437 transitions. Word has length 133 [2025-03-08 18:06:52,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:06:52,701 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 437 transitions. [2025-03-08 18:06:52,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 7 states have internal predecessors, (58), 5 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2025-03-08 18:06:52,701 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 437 transitions. [2025-03-08 18:06:52,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-03-08 18:06:52,704 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:06:52,704 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:06:52,724 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-08 18:06:52,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2025-03-08 18:06:52,905 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:06:52,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:06:52,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1439660925, now seen corresponding path program 1 times [2025-03-08 18:06:52,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:06:52,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428601849] [2025-03-08 18:06:52,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:06:52,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:06:56,776 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-08 18:06:56,870 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-08 18:06:56,870 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:06:56,870 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:07:00,137 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2025-03-08 18:07:00,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:07:00,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428601849] [2025-03-08 18:07:00,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428601849] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:07:00,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865071048] [2025-03-08 18:07:00,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:07:00,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:07:00,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:07:00,139 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:07:00,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-08 18:07:04,282 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-08 18:07:04,659 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-08 18:07:04,659 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:07:04,659 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:07:04,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 4393 conjuncts, 70 conjuncts are in the unsatisfiable core [2025-03-08 18:07:04,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:07:05,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-08 18:07:08,143 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 22 treesize of output 1 [2025-03-08 18:07:08,181 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 22 treesize of output 1 [2025-03-08 18:07:09,615 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 24 treesize of output 16 [2025-03-08 18:07:09,633 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 20 treesize of output 12 [2025-03-08 18:07:11,572 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2025-03-08 18:07:11,572 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:07:11,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865071048] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:07:11,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:07:11,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [10] total 22 [2025-03-08 18:07:11,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719193646] [2025-03-08 18:07:11,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:07:11,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-08 18:07:11,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:07:11,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-08 18:07:11,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2025-03-08 18:07:11,575 INFO L87 Difference]: Start difference. First operand 319 states and 437 transitions. Second operand has 18 states, 16 states have (on average 4.625) internal successors, (74), 16 states have internal predecessors, (74), 9 states have call successors, (22), 5 states have call predecessors, (22), 6 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20) [2025-03-08 18:07:15,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 18:07:20,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-08 18:07:24,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 18:07:28,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 18:07:33,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []