./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_move_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_move_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 0fab62036dd25c3674c8ec0542f70812f6d73d79fd4d93da30f7cca1332abb4e --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 18:07:03,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 18:07:03,926 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 18:07:03,931 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 18:07:03,932 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 18:07:03,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 18:07:03,954 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 18:07:03,954 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 18:07:03,954 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 18:07:03,954 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 18:07:03,954 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 18:07:03,954 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 18:07:03,955 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 18:07:03,955 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 18:07:03,955 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 18:07:03,956 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 18:07:03,956 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 18:07:03,956 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 18:07:03,956 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 18:07:03,956 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 18:07:03,956 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 18:07:03,956 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 18:07:03,957 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 18:07:03,957 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 18:07:03,957 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 18:07:03,957 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 18:07:03,957 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 18:07:03,958 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 18:07:03,958 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 18:07:03,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:07:03,958 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 18:07:03,958 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 18:07:03,958 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 18:07:03,958 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 18:07:03,958 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 18:07:03,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 18:07:03,958 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 18:07:03,958 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 18:07:03,958 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 18:07:03,958 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 18:07:03,958 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 -> 0fab62036dd25c3674c8ec0542f70812f6d73d79fd4d93da30f7cca1332abb4e [2025-03-08 18:07:04,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 18:07:04,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 18:07:04,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 18:07:04,222 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 18:07:04,222 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 18:07:04,223 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness_negated.i [2025-03-08 18:07:05,395 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/469ed8156/c2ec28f284b648f1b058e783dac485ec/FLAG922e76fe0 [2025-03-08 18:07:05,842 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 18:07:05,843 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness_negated.i [2025-03-08 18:07:05,878 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/469ed8156/c2ec28f284b648f1b058e783dac485ec/FLAG922e76fe0 [2025-03-08 18:07:05,973 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/469ed8156/c2ec28f284b648f1b058e783dac485ec [2025-03-08 18:07:05,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 18:07:05,977 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 18:07:05,978 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 18:07:05,978 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 18:07:05,981 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 18:07:05,982 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:07:05" (1/1) ... [2025-03-08 18:07:05,983 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19589f4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:05, skipping insertion in model container [2025-03-08 18:07:05,983 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:07:05" (1/1) ... [2025-03-08 18:07:06,076 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 18:07:06,303 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_move_harness_negated.i[4493,4506] [2025-03-08 18:07:06,311 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_move_harness_negated.i[4553,4566] [2025-03-08 18:07:06,973 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:06,975 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:06,975 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:06,975 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:06,976 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:06,984 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:06,984 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:06,985 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:06,985 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:06,986 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:06,988 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:06,989 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:06,989 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:07,717 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:07,718 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:07,741 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:07,742 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:07,748 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:07,749 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:07,767 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:07,768 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:07,769 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:07,769 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:07,769 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:07,769 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:07,770 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:07,834 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_move_harness_negated.i[227802,227815] [2025-03-08 18:07:07,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:07:07,863 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 18:07:07,873 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_move_harness_negated.i[4493,4506] [2025-03-08 18:07:07,877 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_move_harness_negated.i[4553,4566] [2025-03-08 18:07:07,915 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:07,916 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:07,916 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:07,916 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:07,917 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:07,925 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:07,925 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:07,927 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:07,928 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:07,928 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:07,929 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:07,929 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:07,929 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:07,994 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] [2025-03-08 18:07:08,051 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:08,052 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:08,057 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:08,058 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:08,059 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:08,059 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:08,066 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:08,067 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:08,067 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:08,067 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:08,067 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:08,067 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:08,067 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:08,084 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_move_harness_negated.i[227802,227815] [2025-03-08 18:07:08,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:07:08,242 INFO L204 MainTranslator]: Completed translation [2025-03-08 18:07:08,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:08 WrapperNode [2025-03-08 18:07:08,243 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 18:07:08,244 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 18:07:08,244 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 18:07:08,244 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 18:07:08,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:08" (1/1) ... [2025-03-08 18:07:08,328 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:08" (1/1) ... [2025-03-08 18:07:08,374 INFO L138 Inliner]: procedures = 763, calls = 2427, calls flagged for inlining = 70, calls inlined = 12, statements flattened = 620 [2025-03-08 18:07:08,375 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 18:07:08,375 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 18:07:08,375 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 18:07:08,375 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 18:07:08,387 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:08" (1/1) ... [2025-03-08 18:07:08,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:08" (1/1) ... [2025-03-08 18:07:08,393 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:08" (1/1) ... [2025-03-08 18:07:08,446 INFO L175 MemorySlicer]: Split 281 memory accesses to 8 slices as follows [2, 238, 6, 3, 17, 2, 8, 5]. 85 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 6, 0, 0, 0, 0, 0, 5]. The 240 writes are split as follows [0, 232, 2, 1, 1, 1, 3, 0]. [2025-03-08 18:07:08,446 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:08" (1/1) ... [2025-03-08 18:07:08,446 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:08" (1/1) ... [2025-03-08 18:07:08,473 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:08" (1/1) ... [2025-03-08 18:07:08,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:08" (1/1) ... [2025-03-08 18:07:08,486 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:08" (1/1) ... [2025-03-08 18:07:08,493 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:08" (1/1) ... [2025-03-08 18:07:08,501 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 18:07:08,504 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 18:07:08,504 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 18:07:08,504 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 18:07:08,506 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:08" (1/1) ... [2025-03-08 18:07:08,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:07:08,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:07:08,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 18:07:08,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 18:07:08,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-08 18:07:08,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-08 18:07:08,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-08 18:07:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-08 18:07:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-08 18:07:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-08 18:07:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-08 18:07:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-03-08 18:07:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 18:07:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 18:07:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 18:07:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 18:07:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 18:07:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 18:07:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 18:07:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 18:07:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 18:07:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 18:07:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 18:07:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 18:07:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 18:07:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 18:07:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 18:07:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 18:07:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 18:07:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-08 18:07:08,556 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-08 18:07:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 18:07:08,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 18:07:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-03-08 18:07:08,556 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-03-08 18:07:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 18:07:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 18:07:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-03-08 18:07:08,556 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-03-08 18:07:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 18:07:08,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 18:07:08,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 18:07:08,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 18:07:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 18:07:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 18:07:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 18:07:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 18:07:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 18:07:08,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 18:07:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 18:07:08,558 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 18:07:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-08 18:07:08,558 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-08 18:07:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 18:07:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 18:07:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 18:07:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 18:07:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 18:07:08,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 18:07:08,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 18:07:08,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 18:07:08,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-08 18:07:08,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-08 18:07:08,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-08 18:07:08,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-08 18:07:08,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-08 18:07:08,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-08 18:07:08,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-08 18:07:08,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-08 18:07:08,560 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-08 18:07:08,560 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-08 18:07:08,560 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-08 18:07:08,560 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-08 18:07:08,560 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-08 18:07:08,561 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-08 18:07:08,561 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-08 18:07:08,561 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-08 18:07:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 18:07:08,561 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 18:07:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 18:07:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-08 18:07:08,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-08 18:07:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 18:07:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 18:07:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 18:07:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 18:07:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 18:07:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 18:07:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 18:07:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 18:07:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-03-08 18:07:08,561 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-03-08 18:07:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 18:07:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 18:07:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 18:07:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 18:07:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 18:07:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 18:07:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 18:07:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 18:07:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-08 18:07:08,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-08 18:07:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-08 18:07:08,561 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-08 18:07:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 18:07:08,561 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 18:07:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 18:07:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 18:07:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 18:07:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 18:07:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 18:07:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 18:07:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 18:07:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 18:07:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 18:07:08,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 18:07:08,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 18:07:08,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 18:07:08,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 18:07:08,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 18:07:08,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 18:07:08,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 18:07:08,562 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-03-08 18:07:08,562 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-03-08 18:07:08,874 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 18:07:08,876 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 18:07:08,912 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc588.base, #t~malloc588.offset; [2025-03-08 18:07:08,939 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-08 18:07:08,941 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 18:07:09,123 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 18:07:09,137 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 18:07:09,165 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-03-08 18:07:09,180 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-08 18:07:14,246 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-08 18:07:14,305 INFO L? ?]: Removed 149 outVars from TransFormulas that were not future-live. [2025-03-08 18:07:14,305 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 18:07:14,321 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 18:07:14,322 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 18:07:14,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:07:14 BoogieIcfgContainer [2025-03-08 18:07:14,322 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 18:07:14,325 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 18:07:14,325 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 18:07:14,328 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 18:07:14,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:07:05" (1/3) ... [2025-03-08 18:07:14,329 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@280f0cd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:07:14, skipping insertion in model container [2025-03-08 18:07:14,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:08" (2/3) ... [2025-03-08 18:07:14,330 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@280f0cd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:07:14, skipping insertion in model container [2025-03-08 18:07:14,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:07:14" (3/3) ... [2025-03-08 18:07:14,331 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_move_harness_negated.i [2025-03-08 18:07:14,341 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 18:07:14,343 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_move_harness_negated.i that has 22 procedures, 160 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-03-08 18:07:14,388 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 18:07:14,399 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;@49e61a13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 18:07:14,399 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 18:07:14,402 INFO L276 IsEmpty]: Start isEmpty. Operand has 132 states, 85 states have (on average 1.188235294117647) internal successors, (101), 85 states have internal predecessors, (101), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2025-03-08 18:07:14,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2025-03-08 18:07:14,413 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:07:14,414 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 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] [2025-03-08 18:07:14,414 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:07:14,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:07:14,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1264834228, now seen corresponding path program 1 times [2025-03-08 18:07:14,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:07:14,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486781447] [2025-03-08 18:07:14,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:07:14,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:07:18,725 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-03-08 18:07:18,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-03-08 18:07:18,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:07:18,998 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:07:19,434 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2025-03-08 18:07:19,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:07:19,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486781447] [2025-03-08 18:07:19,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486781447] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:07:19,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681916118] [2025-03-08 18:07:19,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:07:19,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:07:19,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:07:19,440 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:07:19,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 18:07:23,816 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-03-08 18:07:24,257 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-03-08 18:07:24,257 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:07:24,257 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:07:24,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 4416 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 18:07:24,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:07:24,301 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2025-03-08 18:07:24,301 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:07:24,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [681916118] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:07:24,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:07:24,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 18:07:24,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244678359] [2025-03-08 18:07:24,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:07:24,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 18:07:24,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:07:24,319 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 18:07:24,320 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 18:07:24,323 INFO L87 Difference]: Start difference. First operand has 132 states, 85 states have (on average 1.188235294117647) internal successors, (101), 85 states have internal predecessors, (101), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-08 18:07:24,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:07:24,361 INFO L93 Difference]: Finished difference Result 256 states and 343 transitions. [2025-03-08 18:07:24,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 18:07:24,363 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 141 [2025-03-08 18:07:24,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:07:24,368 INFO L225 Difference]: With dead ends: 256 [2025-03-08 18:07:24,368 INFO L226 Difference]: Without dead ends: 126 [2025-03-08 18:07:24,371 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 18:07:24,373 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 18:07:24,373 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 159 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 18:07:24,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2025-03-08 18:07:24,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2025-03-08 18:07:24,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 79 states have (on average 1.1518987341772151) internal successors, (91), 80 states have internal predecessors, (91), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-03-08 18:07:24,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 154 transitions. [2025-03-08 18:07:24,406 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 154 transitions. Word has length 141 [2025-03-08 18:07:24,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:07:24,406 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 154 transitions. [2025-03-08 18:07:24,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-08 18:07:24,407 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 154 transitions. [2025-03-08 18:07:24,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2025-03-08 18:07:24,410 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:07:24,411 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 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] [2025-03-08 18:07:24,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-08 18:07:24,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-08 18:07:24,612 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:07:24,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:07:24,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1871802531, now seen corresponding path program 1 times [2025-03-08 18:07:24,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:07:24,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785891343] [2025-03-08 18:07:24,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:07:24,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:07:28,374 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-03-08 18:07:28,504 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-03-08 18:07:28,504 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:07:28,504 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:07:29,541 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2025-03-08 18:07:29,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:07:29,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785891343] [2025-03-08 18:07:29,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785891343] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:07:29,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331511235] [2025-03-08 18:07:29,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:07:29,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:07:29,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:07:29,544 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 18:07:29,545 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 18:07:33,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-03-08 18:07:33,993 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-03-08 18:07:33,994 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:07:33,994 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:07:34,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 4441 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-08 18:07:34,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:07:34,141 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2025-03-08 18:07:34,142 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:07:34,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1331511235] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:07:34,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:07:34,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2025-03-08 18:07:34,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759475157] [2025-03-08 18:07:34,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:07:34,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 18:07:34,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:07:34,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 18:07:34,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 18:07:34,144 INFO L87 Difference]: Start difference. First operand 126 states and 154 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-08 18:07:34,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:07:34,370 INFO L93 Difference]: Finished difference Result 245 states and 300 transitions. [2025-03-08 18:07:34,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 18:07:34,371 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 147 [2025-03-08 18:07:34,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:07:34,372 INFO L225 Difference]: With dead ends: 245 [2025-03-08 18:07:34,372 INFO L226 Difference]: Without dead ends: 131 [2025-03-08 18:07:34,373 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 148 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 18:07:34,374 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-08 18:07:34,374 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 596 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-08 18:07:34,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2025-03-08 18:07:34,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2025-03-08 18:07:34,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 83 states have (on average 1.144578313253012) internal successors, (95), 84 states have internal predecessors, (95), 32 states have call successors, (32), 14 states have call predecessors, (32), 15 states have return successors, (32), 32 states have call predecessors, (32), 31 states have call successors, (32) [2025-03-08 18:07:34,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 159 transitions. [2025-03-08 18:07:34,383 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 159 transitions. Word has length 147 [2025-03-08 18:07:34,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:07:34,385 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 159 transitions. [2025-03-08 18:07:34,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-08 18:07:34,385 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 159 transitions. [2025-03-08 18:07:34,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2025-03-08 18:07:34,387 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:07:34,387 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:07:34,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-08 18:07:34,588 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 [2025-03-08 18:07:34,588 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:07:34,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:07:34,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1477091011, now seen corresponding path program 1 times [2025-03-08 18:07:34,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:07:34,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258185277] [2025-03-08 18:07:34,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:07:34,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:07:38,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-03-08 18:07:38,666 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-03-08 18:07:38,667 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:07:38,667 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:07:42,548 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2025-03-08 18:07:42,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:07:42,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258185277] [2025-03-08 18:07:42,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258185277] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:07:42,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292303801] [2025-03-08 18:07:42,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:07:42,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:07:42,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:07:42,551 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 18:07:42,552 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 18:07:46,675 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-03-08 18:07:47,064 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-03-08 18:07:47,064 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:07:47,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:07:47,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 4449 conjuncts, 38 conjuncts are in the unsatisfiable core [2025-03-08 18:07:47,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:07:47,778 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 18:07:54,276 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2025-03-08 18:07:54,276 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:07:54,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1292303801] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:07:54,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:07:54,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [10] total 16 [2025-03-08 18:07:54,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165063535] [2025-03-08 18:07:54,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:07:54,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-08 18:07:54,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:07:54,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-08 18:07:54,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2025-03-08 18:07:54,280 INFO L87 Difference]: Start difference. First operand 131 states and 159 transitions. Second operand has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 6 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (25), 7 states have call predecessors, (25), 6 states have call successors, (25) [2025-03-08 18:08:02,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-08 18:08:06,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-08 18:08:07,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:08:07,752 INFO L93 Difference]: Finished difference Result 333 states and 400 transitions. [2025-03-08 18:08:07,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-08 18:08:07,753 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 6 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (25), 7 states have call predecessors, (25), 6 states have call successors, (25) Word has length 159 [2025-03-08 18:08:07,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:08:07,757 INFO L225 Difference]: With dead ends: 333 [2025-03-08 18:08:07,757 INFO L226 Difference]: Without dead ends: 226 [2025-03-08 18:08:07,758 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 140 SyntacticMatches, 14 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2025-03-08 18:08:07,758 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 77 mSDsluCounter, 1470 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 1668 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2025-03-08 18:08:07,758 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 1668 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 412 Invalid, 2 Unknown, 0 Unchecked, 12.9s Time] [2025-03-08 18:08:07,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2025-03-08 18:08:07,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 221. [2025-03-08 18:08:07,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 146 states have (on average 1.1643835616438356) internal successors, (170), 149 states have internal predecessors, (170), 45 states have call successors, (45), 25 states have call predecessors, (45), 29 states have return successors, (48), 46 states have call predecessors, (48), 43 states have call successors, (48) [2025-03-08 18:08:07,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 263 transitions. [2025-03-08 18:08:07,779 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 263 transitions. Word has length 159 [2025-03-08 18:08:07,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:08:07,779 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 263 transitions. [2025-03-08 18:08:07,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 6 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (25), 7 states have call predecessors, (25), 6 states have call successors, (25) [2025-03-08 18:08:07,780 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 263 transitions. [2025-03-08 18:08:07,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2025-03-08 18:08:07,782 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:08:07,782 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2025-03-08 18:08:07,802 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-08 18:08:07,982 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 [2025-03-08 18:08:07,983 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:08:07,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:08:07,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1140541219, now seen corresponding path program 1 times [2025-03-08 18:08:07,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:08:07,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163232673] [2025-03-08 18:08:07,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:08:07,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:08:11,615 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-03-08 18:08:11,697 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-03-08 18:08:11,698 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:08:11,698 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:08:12,640 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2025-03-08 18:08:12,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:08:12,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163232673] [2025-03-08 18:08:12,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163232673] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:08:12,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073442681] [2025-03-08 18:08:12,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:08:12,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:08:12,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:08:12,646 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:08:12,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-08 18:08:16,915 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-03-08 18:08:17,279 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-03-08 18:08:17,279 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:08:17,279 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:08:17,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 4439 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-08 18:08:17,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:08:18,185 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2025-03-08 18:08:18,185 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:08:18,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073442681] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:08:18,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:08:18,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-03-08 18:08:18,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243423732] [2025-03-08 18:08:18,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:08:18,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 18:08:18,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:08:18,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 18:08:18,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-03-08 18:08:18,187 INFO L87 Difference]: Start difference. First operand 221 states and 263 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2025-03-08 18:08:19,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:08:19,796 INFO L93 Difference]: Finished difference Result 386 states and 467 transitions. [2025-03-08 18:08:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 18:08:19,796 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 159 [2025-03-08 18:08:19,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:08:19,798 INFO L225 Difference]: With dead ends: 386 [2025-03-08 18:08:19,798 INFO L226 Difference]: Without dead ends: 233 [2025-03-08 18:08:19,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2025-03-08 18:08:19,800 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 147 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-03-08 18:08:19,800 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 478 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-03-08 18:08:19,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2025-03-08 18:08:19,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 226. [2025-03-08 18:08:19,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 149 states have (on average 1.1610738255033557) internal successors, (173), 153 states have internal predecessors, (173), 46 states have call successors, (46), 25 states have call predecessors, (46), 30 states have return successors, (52), 47 states have call predecessors, (52), 44 states have call successors, (52) [2025-03-08 18:08:19,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 271 transitions. [2025-03-08 18:08:19,823 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 271 transitions. Word has length 159 [2025-03-08 18:08:19,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:08:19,823 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 271 transitions. [2025-03-08 18:08:19,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2025-03-08 18:08:19,823 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 271 transitions. [2025-03-08 18:08:19,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2025-03-08 18:08:19,824 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:08:19,824 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2025-03-08 18:08:19,844 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-08 18:08:20,025 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 [2025-03-08 18:08:20,025 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:08:20,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:08:20,026 INFO L85 PathProgramCache]: Analyzing trace with hash 542226759, now seen corresponding path program 1 times [2025-03-08 18:08:20,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:08:20,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619598306] [2025-03-08 18:08:20,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:08:20,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:08:23,736 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 165 statements into 1 equivalence classes. [2025-03-08 18:08:23,817 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 165 of 165 statements. [2025-03-08 18:08:23,817 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:08:23,817 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:08:25,889 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2025-03-08 18:08:25,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:08:25,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619598306] [2025-03-08 18:08:25,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619598306] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:08:25,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574632593] [2025-03-08 18:08:25,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:08:25,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:08:25,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:08:25,892 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) [2025-03-08 18:08:25,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-08 18:08:30,243 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 165 statements into 1 equivalence classes. [2025-03-08 18:08:30,693 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 165 of 165 statements. [2025-03-08 18:08:30,694 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:08:30,694 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:08:30,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 4468 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-08 18:08:30,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:08:32,330 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2025-03-08 18:08:32,330 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:08:32,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574632593] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:08:32,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:08:32,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2025-03-08 18:08:32,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056778594] [2025-03-08 18:08:32,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:08:32,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 18:08:32,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:08:32,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 18:08:32,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2025-03-08 18:08:32,333 INFO L87 Difference]: Start difference. First operand 226 states and 271 transitions. Second operand has 7 states, 6 states have (on average 12.333333333333334) internal successors, (74), 7 states have internal predecessors, (74), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2025-03-08 18:08:34,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:08:34,116 INFO L93 Difference]: Finished difference Result 335 states and 404 transitions. [2025-03-08 18:08:34,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-08 18:08:34,116 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.333333333333334) internal successors, (74), 7 states have internal predecessors, (74), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 165 [2025-03-08 18:08:34,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:08:34,118 INFO L225 Difference]: With dead ends: 335 [2025-03-08 18:08:34,119 INFO L226 Difference]: Without dead ends: 233 [2025-03-08 18:08:34,119 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2025-03-08 18:08:34,120 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 148 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-08 18:08:34,120 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 482 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-08 18:08:34,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2025-03-08 18:08:34,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 223. [2025-03-08 18:08:34,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 147 states have (on average 1.163265306122449) internal successors, (171), 150 states have internal predecessors, (171), 46 states have call successors, (46), 25 states have call predecessors, (46), 29 states have return successors, (49), 47 states have call predecessors, (49), 44 states have call successors, (49) [2025-03-08 18:08:34,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 266 transitions. [2025-03-08 18:08:34,134 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 266 transitions. Word has length 165 [2025-03-08 18:08:34,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:08:34,135 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 266 transitions. [2025-03-08 18:08:34,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.333333333333334) internal successors, (74), 7 states have internal predecessors, (74), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2025-03-08 18:08:34,135 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 266 transitions. [2025-03-08 18:08:34,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-03-08 18:08:34,137 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:08:34,137 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:08:34,158 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-08 18:08:34,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:08:34,338 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:08:34,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:08:34,339 INFO L85 PathProgramCache]: Analyzing trace with hash 2069678045, now seen corresponding path program 1 times [2025-03-08 18:08:34,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:08:34,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419522297] [2025-03-08 18:08:34,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:08:34,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms