./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ef2e817da006dafbe2f0422952bede0c690cddbbb39ea2d021756ba99f8c2002 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 18:13:50,931 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 18:13:50,984 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 18:13:50,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 18:13:50,993 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 18:13:51,014 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 18:13:51,015 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 18:13:51,015 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 18:13:51,015 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 18:13:51,015 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 18:13:51,016 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 18:13:51,016 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 18:13:51,016 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 18:13:51,017 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 18:13:51,017 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 18:13:51,017 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 18:13:51,017 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 18:13:51,017 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 18:13:51,017 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 18:13:51,018 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 18:13:51,018 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 18:13:51,018 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 18:13:51,018 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 18:13:51,018 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 18:13:51,018 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 18:13:51,018 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 18:13:51,018 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 18:13:51,018 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 18:13:51,018 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 18:13:51,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:13:51,019 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 18:13:51,019 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 18:13:51,019 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 18:13:51,019 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 18:13:51,019 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 18:13:51,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 18:13:51,019 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 18:13:51,020 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 18:13:51,020 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 18:13:51,020 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 18:13:51,020 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 -> ef2e817da006dafbe2f0422952bede0c690cddbbb39ea2d021756ba99f8c2002 [2025-03-08 18:13:51,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 18:13:51,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 18:13:51,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 18:13:51,246 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 18:13:51,247 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 18:13:51,247 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i [2025-03-08 18:13:52,417 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ade4269f1/278f8d288abf4d9882dc54471e26c486/FLAG425ff767f [2025-03-08 18:13:52,885 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 18:13:52,885 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i [2025-03-08 18:13:52,923 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ade4269f1/278f8d288abf4d9882dc54471e26c486/FLAG425ff767f [2025-03-08 18:13:52,996 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ade4269f1/278f8d288abf4d9882dc54471e26c486 [2025-03-08 18:13:52,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 18:13:52,999 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 18:13:53,001 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 18:13:53,001 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 18:13:53,004 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 18:13:53,005 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:13:52" (1/1) ... [2025-03-08 18:13:53,007 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@513b7c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:53, skipping insertion in model container [2025-03-08 18:13:53,007 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:13:52" (1/1) ... [2025-03-08 18:13:53,067 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 18:13:53,276 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_priority_queue_push_harness.i[4497,4510] [2025-03-08 18:13:53,282 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_priority_queue_push_harness.i[4557,4570] [2025-03-08 18:13:53,772 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,772 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,772 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,773 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,774 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,786 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,786 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,787 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,788 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,789 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,789 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,790 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,790 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,160 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,168 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,242 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,243 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,244 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,244 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,244 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,244 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,245 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,246 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,246 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,246 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,246 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,247 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,247 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,251 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,252 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,252 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,252 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,255 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,258 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,265 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,266 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,268 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:13:54,311 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 18:13:54,321 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_priority_queue_push_harness.i[4497,4510] [2025-03-08 18:13:54,322 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_priority_queue_push_harness.i[4557,4570] [2025-03-08 18:13:54,360 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,360 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,360 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,360 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,361 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,368 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,368 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,369 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,369 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,370 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,370 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,370 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,371 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,444 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,447 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,453 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7771-7782] [2025-03-08 18:13:54,532 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,533 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,533 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,533 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,533 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,534 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,534 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,535 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,535 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,535 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,535 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,536 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,536 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,536 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,537 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,537 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,537 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,539 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,539 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,543 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,543 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,544 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:13:54,685 INFO L204 MainTranslator]: Completed translation [2025-03-08 18:13:54,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:54 WrapperNode [2025-03-08 18:13:54,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 18:13:54,686 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 18:13:54,686 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 18:13:54,686 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 18:13:54,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:54" (1/1) ... [2025-03-08 18:13:54,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:54" (1/1) ... [2025-03-08 18:13:54,804 INFO L138 Inliner]: procedures = 686, calls = 1891, calls flagged for inlining = 59, calls inlined = 19, statements flattened = 1192 [2025-03-08 18:13:54,805 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 18:13:54,805 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 18:13:54,805 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 18:13:54,805 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 18:13:54,816 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:54" (1/1) ... [2025-03-08 18:13:54,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:54" (1/1) ... [2025-03-08 18:13:54,823 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:54" (1/1) ... [2025-03-08 18:13:54,905 INFO L175 MemorySlicer]: Split 385 memory accesses to 6 slices as follows [2, 238, 105, 24, 7, 9]. 62 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 6, 0, 5, 2, 1]. The 268 writes are split as follows [0, 232, 26, 8, 1, 1]. [2025-03-08 18:13:54,905 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:54" (1/1) ... [2025-03-08 18:13:54,906 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:54" (1/1) ... [2025-03-08 18:13:54,946 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:54" (1/1) ... [2025-03-08 18:13:54,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:54" (1/1) ... [2025-03-08 18:13:54,965 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:54" (1/1) ... [2025-03-08 18:13:54,973 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:54" (1/1) ... [2025-03-08 18:13:54,990 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 18:13:54,991 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 18:13:54,992 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 18:13:54,993 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 18:13:54,994 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:54" (1/1) ... [2025-03-08 18:13:54,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:13:55,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:13:55,025 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 18:13:55,032 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 18:13:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-03-08 18:13:55,051 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-03-08 18:13:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2025-03-08 18:13:55,051 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2025-03-08 18:13:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-03-08 18:13:55,051 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-03-08 18:13:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 18:13:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-03-08 18:13:55,051 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-03-08 18:13:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-03-08 18:13:55,052 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-03-08 18:13:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 18:13:55,052 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 18:13:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-03-08 18:13:55,052 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-03-08 18:13:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-03-08 18:13:55,052 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-03-08 18:13:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 18:13:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 18:13:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 18:13:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 18:13:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 18:13:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 18:13:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 18:13:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 18:13:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 18:13:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 18:13:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 18:13:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 18:13:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-08 18:13:55,052 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-08 18:13:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 18:13:55,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 18:13:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 18:13:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 18:13:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 18:13:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 18:13:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 18:13:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 18:13:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 18:13:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 18:13:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-03-08 18:13:55,054 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-03-08 18:13:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-08 18:13:55,054 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-08 18:13:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 18:13:55,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 18:13:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 18:13:55,055 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 18:13:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-08 18:13:55,055 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-08 18:13:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-08 18:13:55,055 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-08 18:13:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 18:13:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 18:13:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 18:13:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 18:13:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 18:13:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 18:13:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-08 18:13:55,056 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-08 18:13:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-03-08 18:13:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-03-08 18:13:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-03-08 18:13:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-03-08 18:13:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-03-08 18:13:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-03-08 18:13:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-08 18:13:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-08 18:13:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-08 18:13:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-08 18:13:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-08 18:13:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-08 18:13:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-08 18:13:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-08 18:13:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-08 18:13:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-08 18:13:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-08 18:13:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-08 18:13:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 18:13:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 18:13:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-08 18:13:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-08 18:13:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2025-03-08 18:13:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2025-03-08 18:13:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-03-08 18:13:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-03-08 18:13:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 18:13:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-08 18:13:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-08 18:13:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 18:13:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 18:13:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 18:13:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 18:13:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 18:13:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 18:13:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 18:13:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 18:13:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 18:13:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 18:13:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 18:13:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 18:13:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-03-08 18:13:55,059 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-03-08 18:13:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 18:13:55,059 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 18:13:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-08 18:13:55,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-08 18:13:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-08 18:13:55,059 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-08 18:13:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 18:13:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 18:13:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 18:13:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 18:13:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 18:13:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 18:13:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-03-08 18:13:55,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-03-08 18:13:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2025-03-08 18:13:55,059 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2025-03-08 18:13:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-03-08 18:13:55,059 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-03-08 18:13:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 18:13:55,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 18:13:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 18:13:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 18:13:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 18:13:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 18:13:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 18:13:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 18:13:55,379 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 18:13:55,381 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 18:13:55,412 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc583.base, #t~malloc583.offset; [2025-03-08 18:13:55,436 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-08 18:13:55,463 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-08 18:13:55,552 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6949: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2025-03-08 18:13:55,629 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8272: havoc aws_priority_queue_backpointers_valid_#t~ret874#1;havoc aws_priority_queue_backpointers_valid_#t~short875#1; [2025-03-08 18:13:55,689 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2944: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2025-03-08 18:13:55,692 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 18:13:55,703 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6974: havoc #t~ret595.base, #t~ret595.offset; [2025-03-08 18:13:55,822 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7536: havoc aws_array_list_ensure_capacity_#t~ret764#1; [2025-03-08 18:13:55,822 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7413: call ULTIMATE.dealloc(aws_array_list_calc_necessary_size_~#index_inc~0#1.base, aws_array_list_calc_necessary_size_~#index_inc~0#1.offset);havoc aws_array_list_calc_necessary_size_~#index_inc~0#1.base, aws_array_list_calc_necessary_size_~#index_inc~0#1.offset; [2025-03-08 18:13:55,822 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7514: call ULTIMATE.dealloc(aws_array_list_ensure_capacity_~#necessary_size~0#1.base, aws_array_list_ensure_capacity_~#necessary_size~0#1.offset);havoc aws_array_list_ensure_capacity_~#necessary_size~0#1.base, aws_array_list_ensure_capacity_~#necessary_size~0#1.offset; [2025-03-08 18:13:55,823 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7523: havoc aws_array_list_ensure_capacity_#t~ret757#1; [2025-03-08 18:13:55,859 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8186: havoc ~node~1.base, ~node~1.offset; [2025-03-08 18:13:55,882 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-08 18:13:55,883 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7268: havoc nondet_compare_#t~ret668#1; [2025-03-08 18:13:55,904 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3203: havoc #t~ret243; [2025-03-08 18:13:55,910 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7392: havoc #t~ret681.base, #t~ret681.offset; [2025-03-08 18:13:55,956 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8082: call ULTIMATE.dealloc(~#parent_item~0.base, ~#parent_item~0.offset);havoc ~#parent_item~0.base, ~#parent_item~0.offset;call ULTIMATE.dealloc(~#child_item~0.base, ~#child_item~0.offset);havoc ~#child_item~0.base, ~#child_item~0.offset; [2025-03-08 18:13:56,049 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2878: call ULTIMATE.dealloc(~#allocation_size~0.base, ~#allocation_size~0.offset);havoc ~#allocation_size~0.base, ~#allocation_size~0.offset; [2025-03-08 18:13:56,057 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-08 18:14:01,166 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2997: havoc aws_array_list_push_back_#t~ret123#1; [2025-03-08 18:14:01,166 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8316: call ULTIMATE.dealloc(aws_priority_queue_push_ref_~#backpointer#1.base, aws_priority_queue_push_ref_~#backpointer#1.offset);havoc aws_priority_queue_push_ref_~#backpointer#1.base, aws_priority_queue_push_ref_~#backpointer#1.offset; [2025-03-08 18:14:01,407 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3121: havoc #t~ret187; [2025-03-08 18:14:01,408 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3108: havoc ~last_item_offset~1; [2025-03-08 18:14:01,539 INFO L? ?]: Removed 321 outVars from TransFormulas that were not future-live. [2025-03-08 18:14:01,540 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 18:14:01,554 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 18:14:01,556 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 18:14:01,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:14:01 BoogieIcfgContainer [2025-03-08 18:14:01,558 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 18:14:01,560 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 18:14:01,560 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 18:14:01,563 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 18:14:01,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:13:52" (1/3) ... [2025-03-08 18:14:01,563 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79ea2bca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:14:01, skipping insertion in model container [2025-03-08 18:14:01,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:54" (2/3) ... [2025-03-08 18:14:01,563 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79ea2bca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:14:01, skipping insertion in model container [2025-03-08 18:14:01,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:14:01" (3/3) ... [2025-03-08 18:14:01,564 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_harness.i [2025-03-08 18:14:01,574 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 18:14:01,575 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_push_harness.i that has 39 procedures, 572 locations, 1 initial locations, 10 loop locations, and 2 error locations. [2025-03-08 18:14:01,633 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 18:14:01,644 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;@2ff8bf83, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 18:14:01,644 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-08 18:14:01,649 INFO L276 IsEmpty]: Start isEmpty. Operand has 556 states, 318 states have (on average 1.2327044025157232) internal successors, (392), 321 states have internal predecessors, (392), 202 states have call successors, (202), 34 states have call predecessors, (202), 34 states have return successors, (202), 202 states have call predecessors, (202), 202 states have call successors, (202) [2025-03-08 18:14:01,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2025-03-08 18:14:01,664 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:14:01,665 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 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, 1, 1, 1, 1, 1, 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 18:14:01,665 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:14:01,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:14:01,669 INFO L85 PathProgramCache]: Analyzing trace with hash 896119116, now seen corresponding path program 1 times [2025-03-08 18:14:01,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:14:01,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104555047] [2025-03-08 18:14:01,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:01,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:14:06,136 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-03-08 18:14:06,455 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-03-08 18:14:06,455 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:06,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:06,927 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2025-03-08 18:14:06,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:14:06,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104555047] [2025-03-08 18:14:06,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104555047] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:14:06,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129269495] [2025-03-08 18:14:06,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:06,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:14:06,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:14:06,933 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 18:14:06,935 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 18:14:11,195 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-03-08 18:14:11,684 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-03-08 18:14:11,685 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:11,685 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:11,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 4663 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 18:14:11,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:14:11,741 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2025-03-08 18:14:11,741 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:14:11,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1129269495] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:14:11,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:14:11,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 18:14:11,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893394561] [2025-03-08 18:14:11,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:14:11,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 18:14:11,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:14:11,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 18:14:11,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 18:14:11,768 INFO L87 Difference]: Start difference. First operand has 556 states, 318 states have (on average 1.2327044025157232) internal successors, (392), 321 states have internal predecessors, (392), 202 states have call successors, (202), 34 states have call predecessors, (202), 34 states have return successors, (202), 202 states have call predecessors, (202), 202 states have call successors, (202) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2025-03-08 18:14:11,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:14:11,846 INFO L93 Difference]: Finished difference Result 1084 states and 1674 transitions. [2025-03-08 18:14:11,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 18:14:11,847 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 197 [2025-03-08 18:14:11,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:14:11,860 INFO L225 Difference]: With dead ends: 1084 [2025-03-08 18:14:11,860 INFO L226 Difference]: Without dead ends: 549 [2025-03-08 18:14:11,870 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 198 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 18:14:11,872 INFO L435 NwaCegarLoop]: 789 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 18:14:11,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 18:14:11,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2025-03-08 18:14:11,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 549. [2025-03-08 18:14:11,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 312 states have (on average 1.2243589743589745) internal successors, (382), 314 states have internal predecessors, (382), 202 states have call successors, (202), 34 states have call predecessors, (202), 33 states have return successors, (200), 200 states have call predecessors, (200), 200 states have call successors, (200) [2025-03-08 18:14:11,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 784 transitions. [2025-03-08 18:14:11,954 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 784 transitions. Word has length 197 [2025-03-08 18:14:11,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:14:11,956 INFO L471 AbstractCegarLoop]: Abstraction has 549 states and 784 transitions. [2025-03-08 18:14:11,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2025-03-08 18:14:11,956 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 784 transitions. [2025-03-08 18:14:11,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2025-03-08 18:14:11,960 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:14:11,961 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 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, 1, 1, 1, 1, 1, 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 18:14:11,981 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 18:14:12,161 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 18:14:12,162 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:14:12,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:14:12,162 INFO L85 PathProgramCache]: Analyzing trace with hash 2115906189, now seen corresponding path program 1 times [2025-03-08 18:14:12,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:14:12,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165085383] [2025-03-08 18:14:12,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:12,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:14:15,939 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-03-08 18:14:16,069 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-03-08 18:14:16,070 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:16,070 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:17,081 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2025-03-08 18:14:17,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:14:17,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165085383] [2025-03-08 18:14:17,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165085383] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:14:17,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099048545] [2025-03-08 18:14:17,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:17,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:14:17,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:14:17,084 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 18:14:17,086 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 18:14:21,402 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-03-08 18:14:21,876 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-03-08 18:14:21,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:21,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:21,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 4663 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-08 18:14:21,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:14:22,997 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2025-03-08 18:14:22,997 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:14:22,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1099048545] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:14:22,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:14:22,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-03-08 18:14:22,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377358314] [2025-03-08 18:14:22,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:14:22,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 18:14:22,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:14:23,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 18:14:23,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-08 18:14:23,001 INFO L87 Difference]: Start difference. First operand 549 states and 784 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2025-03-08 18:14:26,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:14:26,473 INFO L93 Difference]: Finished difference Result 1052 states and 1516 transitions. [2025-03-08 18:14:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 18:14:26,474 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 197 [2025-03-08 18:14:26,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:14:26,480 INFO L225 Difference]: With dead ends: 1052 [2025-03-08 18:14:26,480 INFO L226 Difference]: Without dead ends: 551 [2025-03-08 18:14:26,483 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-03-08 18:14:26,483 INFO L435 NwaCegarLoop]: 707 mSDtfsCounter, 794 mSDsluCounter, 2034 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 798 SdHoareTripleChecker+Valid, 2741 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2025-03-08 18:14:26,483 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [798 Valid, 2741 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2025-03-08 18:14:26,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2025-03-08 18:14:26,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 551. [2025-03-08 18:14:26,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 313 states have (on average 1.2236421725239617) internal successors, (383), 316 states have internal predecessors, (383), 202 states have call successors, (202), 34 states have call predecessors, (202), 34 states have return successors, (210), 200 states have call predecessors, (210), 200 states have call successors, (210) [2025-03-08 18:14:26,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 795 transitions. [2025-03-08 18:14:26,521 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 795 transitions. Word has length 197 [2025-03-08 18:14:26,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:14:26,522 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 795 transitions. [2025-03-08 18:14:26,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2025-03-08 18:14:26,523 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 795 transitions. [2025-03-08 18:14:26,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2025-03-08 18:14:26,526 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:14:26,526 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:14:26,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-08 18:14:26,727 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 18:14:26,727 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:14:26,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:14:26,728 INFO L85 PathProgramCache]: Analyzing trace with hash -955535907, now seen corresponding path program 1 times [2025-03-08 18:14:26,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:14:26,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145978336] [2025-03-08 18:14:26,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:26,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:14:30,270 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-03-08 18:14:30,369 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-03-08 18:14:30,370 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:30,370 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:31,640 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2025-03-08 18:14:31,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:14:31,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145978336] [2025-03-08 18:14:31,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145978336] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:14:31,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638141798] [2025-03-08 18:14:31,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:31,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:14:31,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:14:31,645 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 18:14:31,646 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 18:14:36,039 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-03-08 18:14:36,432 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-03-08 18:14:36,433 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:36,433 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:36,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 4713 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-08 18:14:36,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:14:38,142 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2025-03-08 18:14:38,143 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:14:38,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638141798] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:14:38,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:14:38,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2025-03-08 18:14:38,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602165037] [2025-03-08 18:14:38,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:14:38,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-08 18:14:38,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:14:38,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-08 18:14:38,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-03-08 18:14:38,144 INFO L87 Difference]: Start difference. First operand 551 states and 795 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 4 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2025-03-08 18:14:46,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:14:46,365 INFO L93 Difference]: Finished difference Result 1075 states and 1596 transitions. [2025-03-08 18:14:46,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-08 18:14:46,366 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 4 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 205 [2025-03-08 18:14:46,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:14:46,371 INFO L225 Difference]: With dead ends: 1075 [2025-03-08 18:14:46,371 INFO L226 Difference]: Without dead ends: 572 [2025-03-08 18:14:46,373 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2025-03-08 18:14:46,374 INFO L435 NwaCegarLoop]: 674 mSDtfsCounter, 842 mSDsluCounter, 3213 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 873 SdHoareTripleChecker+Valid, 3887 SdHoareTripleChecker+Invalid, 808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2025-03-08 18:14:46,374 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [873 Valid, 3887 Invalid, 808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2025-03-08 18:14:46,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2025-03-08 18:14:46,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 570. [2025-03-08 18:14:46,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 329 states have (on average 1.2310030395136777) internal successors, (405), 332 states have internal predecessors, (405), 204 states have call successors, (204), 34 states have call predecessors, (204), 35 states have return successors, (244), 203 states have call predecessors, (244), 202 states have call successors, (244) [2025-03-08 18:14:46,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 853 transitions. [2025-03-08 18:14:46,409 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 853 transitions. Word has length 205 [2025-03-08 18:14:46,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:14:46,411 INFO L471 AbstractCegarLoop]: Abstraction has 570 states and 853 transitions. [2025-03-08 18:14:46,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 4 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2025-03-08 18:14:46,411 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 853 transitions. [2025-03-08 18:14:46,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2025-03-08 18:14:46,413 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:14:46,414 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:14:46,431 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 18:14:46,614 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 18:14:46,614 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:14:46,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:14:46,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1185296591, now seen corresponding path program 1 times [2025-03-08 18:14:46,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:14:46,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911553496] [2025-03-08 18:14:46,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:46,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:14:50,118 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 220 statements into 1 equivalence classes. [2025-03-08 18:14:50,249 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 220 of 220 statements. [2025-03-08 18:14:50,250 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:50,250 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:51,489 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2025-03-08 18:14:51,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:14:51,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911553496] [2025-03-08 18:14:51,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911553496] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:14:51,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433235962] [2025-03-08 18:14:51,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:51,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:14:51,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:14:51,493 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 18:14:51,494 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 18:14:55,818 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 220 statements into 1 equivalence classes. [2025-03-08 18:14:56,215 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 220 of 220 statements. [2025-03-08 18:14:56,215 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:56,215 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:56,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 4840 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-08 18:14:56,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:14:57,526 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2025-03-08 18:14:57,526 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:14:57,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433235962] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:14:57,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:14:57,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2025-03-08 18:14:57,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412352832] [2025-03-08 18:14:57,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:14:57,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 18:14:57,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:14:57,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 18:14:57,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-03-08 18:14:57,528 INFO L87 Difference]: Start difference. First operand 570 states and 853 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2025-03-08 18:15:02,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:15:02,354 INFO L93 Difference]: Finished difference Result 1098 states and 1667 transitions. [2025-03-08 18:15:02,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-08 18:15:02,355 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 220 [2025-03-08 18:15:02,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:15:02,360 INFO L225 Difference]: With dead ends: 1098 [2025-03-08 18:15:02,360 INFO L226 Difference]: Without dead ends: 576 [2025-03-08 18:15:02,363 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2025-03-08 18:15:02,363 INFO L435 NwaCegarLoop]: 699 mSDtfsCounter, 810 mSDsluCounter, 2681 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 3380 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2025-03-08 18:15:02,363 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [814 Valid, 3380 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2025-03-08 18:15:02,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2025-03-08 18:15:02,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 570. [2025-03-08 18:15:02,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 329 states have (on average 1.2310030395136777) internal successors, (405), 332 states have internal predecessors, (405), 204 states have call successors, (204), 34 states have call predecessors, (204), 35 states have return successors, (244), 203 states have call predecessors, (244), 202 states have call successors, (244) [2025-03-08 18:15:02,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 853 transitions. [2025-03-08 18:15:02,391 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 853 transitions. Word has length 220 [2025-03-08 18:15:02,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:15:02,391 INFO L471 AbstractCegarLoop]: Abstraction has 570 states and 853 transitions. [2025-03-08 18:15:02,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2025-03-08 18:15:02,391 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 853 transitions. [2025-03-08 18:15:02,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2025-03-08 18:15:02,393 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:15:02,393 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:15:02,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-08 18:15:02,598 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 18:15:02,598 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:15:02,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:15:02,598 INFO L85 PathProgramCache]: Analyzing trace with hash 420736463, now seen corresponding path program 1 times [2025-03-08 18:15:02,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:15:02,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938678625] [2025-03-08 18:15:02,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:15:02,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:15:06,103 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 236 statements into 1 equivalence classes. [2025-03-08 18:15:06,209 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 236 of 236 statements. [2025-03-08 18:15:06,209 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:15:06,209 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:15:07,681 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2025-03-08 18:15:07,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:15:07,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938678625] [2025-03-08 18:15:07,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938678625] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:15:07,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326580101] [2025-03-08 18:15:07,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:15:07,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:15:07,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:15:07,684 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 18:15:07,684 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 18:15:12,040 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 236 statements into 1 equivalence classes. [2025-03-08 18:15:12,429 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 236 of 236 statements. [2025-03-08 18:15:12,429 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:15:12,429 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:15:12,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 4912 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-08 18:15:12,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:15:14,719 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2025-03-08 18:15:14,719 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:15:14,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1326580101] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:15:14,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:15:14,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2025-03-08 18:15:14,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843057719] [2025-03-08 18:15:14,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:15:14,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-08 18:15:14,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:15:14,720 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-08 18:15:14,720 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2025-03-08 18:15:14,721 INFO L87 Difference]: Start difference. First operand 570 states and 853 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 9 states have internal predecessors, (98), 5 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (35), 5 states have call predecessors, (35), 5 states have call successors, (35)