./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_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 dfa651ad1a3815b71299318434192d50e4a949decdd541c310285fbc30ab43ee --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 03:02:40,988 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 03:02:41,052 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 03:02:41,059 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 03:02:41,059 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 03:02:41,075 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 03:02:41,076 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 03:02:41,079 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 03:02:41,079 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 03:02:41,080 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 03:02:41,080 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 03:02:41,081 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 03:02:41,081 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 03:02:41,081 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 03:02:41,081 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 03:02:41,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 03:02:41,082 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 03:02:41,082 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 03:02:41,082 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 03:02:41,082 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 03:02:41,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 03:02:41,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 03:02:41,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 03:02:41,082 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 03:02:41,082 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 03:02:41,082 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 03:02:41,082 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 03:02:41,082 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 03:02:41,083 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 03:02:41,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:02:41,083 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 03:02:41,083 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 03:02:41,083 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 03:02:41,083 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 03:02:41,084 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 03:02:41,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 03:02:41,084 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 03:02:41,084 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 03:02:41,084 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 03:02:41,084 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 03:02:41,084 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 -> dfa651ad1a3815b71299318434192d50e4a949decdd541c310285fbc30ab43ee [2025-03-04 03:02:41,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 03:02:41,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 03:02:41,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 03:02:41,363 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 03:02:41,364 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 03:02:41,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i [2025-03-04 03:02:42,604 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4aa6db2b5/865b24dc5884411f98d915b41fd5f43d/FLAG889b86ab5 [2025-03-04 03:02:43,065 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 03:02:43,066 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i [2025-03-04 03:02:43,102 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4aa6db2b5/865b24dc5884411f98d915b41fd5f43d/FLAG889b86ab5 [2025-03-04 03:02:43,116 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4aa6db2b5/865b24dc5884411f98d915b41fd5f43d [2025-03-04 03:02:43,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 03:02:43,119 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 03:02:43,120 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 03:02:43,120 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 03:02:43,123 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 03:02:43,123 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:02:43" (1/1) ... [2025-03-04 03:02:43,125 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@366ba4b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:43, skipping insertion in model container [2025-03-04 03:02:43,125 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:02:43" (1/1) ... [2025-03-04 03:02:43,190 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 03:02:43,366 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_ref_harness.i[4501,4514] [2025-03-04 03:02:43,372 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_ref_harness.i[4561,4574] [2025-03-04 03:02:43,802 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:43,802 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:43,803 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:43,803 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:43,804 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:43,811 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:43,812 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:43,813 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:43,813 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:43,816 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:43,817 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:43,817 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:43,818 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,123 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,129 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,175 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,176 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,176 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,176 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,176 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,177 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,177 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,177 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,177 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,177 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,178 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,178 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,178 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,182 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,182 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,182 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,182 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,184 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,185 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,192 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,193 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,193 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:02:44,238 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 03:02:44,249 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_ref_harness.i[4501,4514] [2025-03-04 03:02:44,253 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_ref_harness.i[4561,4574] [2025-03-04 03:02:44,292 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,292 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,292 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,292 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,293 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,300 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,301 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,301 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,301 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,302 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,302 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,302 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,302 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,374 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,377 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7771-7782] [2025-03-04 03:02:44,438 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,439 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,439 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,439 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,439 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,440 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,440 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,441 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,441 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,441 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,441 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,442 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,442 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,442 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,442 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,442 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,442 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,445 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,445 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,448 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,449 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,449 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:02:44,597 INFO L204 MainTranslator]: Completed translation [2025-03-04 03:02:44,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:44 WrapperNode [2025-03-04 03:02:44,598 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 03:02:44,598 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 03:02:44,599 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 03:02:44,599 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 03:02:44,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:44" (1/1) ... [2025-03-04 03:02:44,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:44" (1/1) ... [2025-03-04 03:02:44,697 INFO L138 Inliner]: procedures = 686, calls = 1892, calls flagged for inlining = 57, calls inlined = 17, statements flattened = 1174 [2025-03-04 03:02:44,698 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 03:02:44,698 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 03:02:44,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 03:02:44,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 03:02:44,704 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:44" (1/1) ... [2025-03-04 03:02:44,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:44" (1/1) ... [2025-03-04 03:02:44,711 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:44" (1/1) ... [2025-03-04 03:02:44,781 INFO L175 MemorySlicer]: Split 384 memory accesses to 6 slices as follows [104, 2, 238, 9, 7, 24]. 62 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [0, 2, 6, 1, 2, 5]. The 268 writes are split as follows [26, 0, 232, 1, 1, 8]. [2025-03-04 03:02:44,782 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:44" (1/1) ... [2025-03-04 03:02:44,782 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:44" (1/1) ... [2025-03-04 03:02:44,824 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:44" (1/1) ... [2025-03-04 03:02:44,831 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:44" (1/1) ... [2025-03-04 03:02:44,841 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:44" (1/1) ... [2025-03-04 03:02:44,848 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:44" (1/1) ... [2025-03-04 03:02:44,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 03:02:44,863 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 03:02:44,864 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 03:02:44,864 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 03:02:44,864 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:44" (1/1) ... [2025-03-04 03:02:44,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:02:44,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:02:44,889 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 03:02:44,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 03:02:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-03-04 03:02:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-03-04 03:02:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2025-03-04 03:02:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2025-03-04 03:02:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-03-04 03:02:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-03-04 03:02:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 03:02:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-03-04 03:02:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-03-04 03:02:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-03-04 03:02:44,909 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-03-04 03:02:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 03:02:44,909 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 03:02:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-03-04 03:02:44,909 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-03-04 03:02:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-03-04 03:02:44,909 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-03-04 03:02:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 03:02:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 03:02:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 03:02:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 03:02:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 03:02:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 03:02:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 03:02:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 03:02:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 03:02:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 03:02:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 03:02:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 03:02:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 03:02:44,909 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 03:02:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 03:02:44,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 03:02:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 03:02:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 03:02:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 03:02:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 03:02:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 03:02:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 03:02:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 03:02:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 03:02:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-03-04 03:02:44,909 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-03-04 03:02:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-04 03:02:44,909 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-04 03:02:44,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 03:02:44,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 03:02:44,910 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 03:02:44,910 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 03:02:44,910 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-04 03:02:44,910 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-04 03:02:44,910 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-04 03:02:44,910 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-04 03:02:44,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 03:02:44,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 03:02:44,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 03:02:44,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 03:02:44,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 03:02:44,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 03:02:44,911 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-04 03:02:44,911 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-04 03:02:44,911 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-03-04 03:02:44,911 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-03-04 03:02:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-03-04 03:02:44,912 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-03-04 03:02:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-03-04 03:02:44,912 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-03-04 03:02:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-04 03:02:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-04 03:02:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-04 03:02:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-04 03:02:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-04 03:02:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-04 03:02:44,912 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-04 03:02:44,912 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-04 03:02:44,912 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-04 03:02:44,912 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-04 03:02:44,912 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-04 03:02:44,912 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-04 03:02:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 03:02:44,912 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 03:02:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-04 03:02:44,912 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-04 03:02:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2025-03-04 03:02:44,912 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2025-03-04 03:02:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-03-04 03:02:44,912 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-03-04 03:02:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 03:02:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-04 03:02:44,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-04 03:02:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 03:02:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 03:02:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 03:02:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 03:02:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 03:02:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 03:02:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 03:02:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 03:02:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 03:02:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 03:02:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 03:02:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 03:02:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_push_ref [2025-03-04 03:02:44,912 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_push_ref [2025-03-04 03:02:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-03-04 03:02:44,912 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-03-04 03:02:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 03:02:44,912 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 03:02:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-04 03:02:44,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-04 03:02:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-04 03:02:44,913 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-04 03:02:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 03:02:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 03:02:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 03:02:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 03:02:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 03:02:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 03:02:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-03-04 03:02:44,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-03-04 03:02:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2025-03-04 03:02:44,913 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2025-03-04 03:02:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-03-04 03:02:44,913 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-03-04 03:02:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-04 03:02:44,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-04 03:02:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 03:02:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 03:02:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 03:02:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 03:02:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 03:02:44,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 03:02:45,226 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 03:02:45,229 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 03:02:45,258 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc583.base, #t~malloc583.offset; [2025-03-04 03:02:45,272 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-04 03:02:45,293 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-04 03:02:45,365 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6949: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2025-03-04 03:02:45,438 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8272: havoc aws_priority_queue_backpointers_valid_#t~ret874#1;havoc aws_priority_queue_backpointers_valid_#t~short875#1; [2025-03-04 03:02:45,491 INFO L1325 $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; [2025-03-04 03:02:45,493 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 03:02:45,563 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2997: havoc aws_array_list_push_back_#t~ret123#1; [2025-03-04 03:02:45,563 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8316: call ULTIMATE.dealloc(~#backpointer#1.base, ~#backpointer#1.offset);havoc ~#backpointer#1.base, ~#backpointer#1.offset; [2025-03-04 03:02:45,566 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6974: havoc #t~ret595.base, #t~ret595.offset; [2025-03-04 03:02:45,654 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7536: havoc aws_array_list_ensure_capacity_#t~ret764#1; [2025-03-04 03:02:45,654 INFO L1325 $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; [2025-03-04 03:02:45,654 INFO L1325 $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; [2025-03-04 03:02:45,654 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7523: havoc aws_array_list_ensure_capacity_#t~ret757#1; [2025-03-04 03:02:45,678 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8186: havoc ~node~1.base, ~node~1.offset; [2025-03-04 03:02:45,698 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-04 03:02:45,698 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7268: havoc nondet_compare_#t~ret668#1; [2025-03-04 03:02:45,709 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3203: havoc #t~ret243; [2025-03-04 03:02:45,714 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7392: havoc #t~ret681.base, #t~ret681.offset; [2025-03-04 03:02:45,739 INFO L1325 $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; [2025-03-04 03:02:45,825 INFO L1325 $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; [2025-03-04 03:02:45,833 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-04 03:02:51,336 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3121: havoc #t~ret187; [2025-03-04 03:02:51,336 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3108: havoc ~last_item_offset~1; [2025-03-04 03:02:51,475 INFO L? ?]: Removed 303 outVars from TransFormulas that were not future-live. [2025-03-04 03:02:51,475 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 03:02:51,500 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 03:02:51,500 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 03:02:51,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:02:51 BoogieIcfgContainer [2025-03-04 03:02:51,501 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 03:02:51,502 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 03:02:51,502 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 03:02:51,507 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 03:02:51,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 03:02:43" (1/3) ... [2025-03-04 03:02:51,508 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b11c69e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:02:51, skipping insertion in model container [2025-03-04 03:02:51,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:44" (2/3) ... [2025-03-04 03:02:51,509 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b11c69e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:02:51, skipping insertion in model container [2025-03-04 03:02:51,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:02:51" (3/3) ... [2025-03-04 03:02:51,511 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_ref_harness.i [2025-03-04 03:02:51,521 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 03:02:51,522 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_push_ref_harness.i that has 40 procedures, 568 locations, 1 initial locations, 10 loop locations, and 2 error locations. [2025-03-04 03:02:51,581 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 03:02:51,590 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;@16c54c52, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 03:02:51,590 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-04 03:02:51,595 INFO L276 IsEmpty]: Start isEmpty. Operand has 552 states, 316 states have (on average 1.231012658227848) internal successors, (389), 319 states have internal predecessors, (389), 199 states have call successors, (199), 35 states have call predecessors, (199), 35 states have return successors, (199), 199 states have call predecessors, (199), 199 states have call successors, (199) [2025-03-04 03:02:51,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2025-03-04 03:02:51,631 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:02:51,632 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 03:02:51,633 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:02:51,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:02:51,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1972857572, now seen corresponding path program 1 times [2025-03-04 03:02:51,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:02:51,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940507459] [2025-03-04 03:02:51,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:02:51,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:02:55,939 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-03-04 03:02:56,260 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-03-04 03:02:56,262 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:02:56,262 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:02:56,752 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2025-03-04 03:02:56,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:02:56,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940507459] [2025-03-04 03:02:56,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940507459] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:02:56,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434892312] [2025-03-04 03:02:56,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:02:56,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:02:56,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:02:56,758 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 03:02:56,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 03:03:00,892 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-03-04 03:03:01,395 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-03-04 03:03:01,396 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:01,396 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:01,419 INFO L256 TraceCheckSpWp]: Trace formula consists of 4670 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 03:03:01,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:03:01,456 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2025-03-04 03:03:01,456 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:03:01,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434892312] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:03:01,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:03:01,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-04 03:03:01,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383721067] [2025-03-04 03:03:01,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:03:01,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 03:03:01,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:03:01,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 03:03:01,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 03:03:01,481 INFO L87 Difference]: Start difference. First operand has 552 states, 316 states have (on average 1.231012658227848) internal successors, (389), 319 states have internal predecessors, (389), 199 states have call successors, (199), 35 states have call predecessors, (199), 35 states have return successors, (199), 199 states have call predecessors, (199), 199 states have call successors, (199) Second operand has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-03-04 03:03:01,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:03:01,556 INFO L93 Difference]: Finished difference Result 1076 states and 1655 transitions. [2025-03-04 03:03:01,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 03:03:01,558 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 192 [2025-03-04 03:03:01,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:03:01,570 INFO L225 Difference]: With dead ends: 1076 [2025-03-04 03:03:01,570 INFO L226 Difference]: Without dead ends: 545 [2025-03-04 03:03:01,577 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 03:03:01,579 INFO L435 NwaCegarLoop]: 780 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, 780 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 [2025-03-04 03:03:01,580 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 03:03:01,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2025-03-04 03:03:01,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 545. [2025-03-04 03:03:01,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 310 states have (on average 1.2225806451612904) internal successors, (379), 312 states have internal predecessors, (379), 199 states have call successors, (199), 35 states have call predecessors, (199), 34 states have return successors, (197), 197 states have call predecessors, (197), 197 states have call successors, (197) [2025-03-04 03:03:01,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 775 transitions. [2025-03-04 03:03:01,660 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 775 transitions. Word has length 192 [2025-03-04 03:03:01,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:03:01,661 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 775 transitions. [2025-03-04 03:03:01,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-03-04 03:03:01,661 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 775 transitions. [2025-03-04 03:03:01,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2025-03-04 03:03:01,667 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:03:01,668 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 03:03:01,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-04 03:03:01,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-04 03:03:01,869 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:03:01,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:03:01,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1361316733, now seen corresponding path program 1 times [2025-03-04 03:03:01,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:03:01,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124685076] [2025-03-04 03:03:01,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:01,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:03:05,546 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-03-04 03:03:05,691 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-03-04 03:03:05,691 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:05,691 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:06,802 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2025-03-04 03:03:06,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:03:06,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124685076] [2025-03-04 03:03:06,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124685076] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:03:06,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790747031] [2025-03-04 03:03:06,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:06,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:03:06,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:03:06,807 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 03:03:06,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 03:03:11,056 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-03-04 03:03:11,529 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-03-04 03:03:11,530 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:11,530 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:11,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 4670 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 03:03:11,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:03:12,586 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-03-04 03:03:12,586 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:03:12,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1790747031] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:03:12,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:03:12,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-03-04 03:03:12,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659419368] [2025-03-04 03:03:12,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:03:12,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 03:03:12,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:03:12,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 03:03:12,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-04 03:03:12,589 INFO L87 Difference]: Start difference. First operand 545 states and 775 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2025-03-04 03:03:14,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:03:14,949 INFO L93 Difference]: Finished difference Result 1044 states and 1496 transitions. [2025-03-04 03:03:14,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 03:03:14,949 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 192 [2025-03-04 03:03:14,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:03:14,955 INFO L225 Difference]: With dead ends: 1044 [2025-03-04 03:03:14,956 INFO L226 Difference]: Without dead ends: 547 [2025-03-04 03:03:14,959 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-03-04 03:03:14,960 INFO L435 NwaCegarLoop]: 726 mSDtfsCounter, 763 mSDsluCounter, 2146 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 771 SdHoareTripleChecker+Valid, 2872 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-03-04 03:03:14,960 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [771 Valid, 2872 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-03-04 03:03:14,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2025-03-04 03:03:14,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 547. [2025-03-04 03:03:14,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 311 states have (on average 1.2218649517684887) internal successors, (380), 314 states have internal predecessors, (380), 199 states have call successors, (199), 35 states have call predecessors, (199), 35 states have return successors, (205), 197 states have call predecessors, (205), 197 states have call successors, (205) [2025-03-04 03:03:14,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 784 transitions. [2025-03-04 03:03:14,993 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 784 transitions. Word has length 192 [2025-03-04 03:03:14,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:03:14,994 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 784 transitions. [2025-03-04 03:03:14,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2025-03-04 03:03:14,994 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 784 transitions. [2025-03-04 03:03:14,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2025-03-04 03:03:14,997 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:03:14,998 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 03:03:15,014 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-04 03:03:15,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-04 03:03:15,198 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:03:15,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:03:15,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1258503105, now seen corresponding path program 1 times [2025-03-04 03:03:15,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:03:15,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669025383] [2025-03-04 03:03:15,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:15,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:03:18,727 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 200 statements into 1 equivalence classes. [2025-03-04 03:03:18,836 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 200 of 200 statements. [2025-03-04 03:03:18,836 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:18,836 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:20,127 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2025-03-04 03:03:20,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:03:20,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669025383] [2025-03-04 03:03:20,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669025383] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:03:20,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325585811] [2025-03-04 03:03:20,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:20,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:03:20,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:03:20,131 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 03:03:20,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 03:03:24,449 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 200 statements into 1 equivalence classes. [2025-03-04 03:03:24,814 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 200 of 200 statements. [2025-03-04 03:03:24,815 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:24,815 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:24,833 INFO L256 TraceCheckSpWp]: Trace formula consists of 4720 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 03:03:24,839 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:03:26,501 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-03-04 03:03:26,501 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:03:26,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1325585811] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:03:26,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:03:26,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2025-03-04 03:03:26,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759031580] [2025-03-04 03:03:26,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:03:26,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 03:03:26,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:03:26,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 03:03:26,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-03-04 03:03:26,503 INFO L87 Difference]: Start difference. First operand 547 states and 784 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2025-03-04 03:03:33,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:03:33,065 INFO L93 Difference]: Finished difference Result 1067 states and 1572 transitions. [2025-03-04 03:03:33,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-04 03:03:33,066 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 200 [2025-03-04 03:03:33,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:03:33,073 INFO L225 Difference]: With dead ends: 1067 [2025-03-04 03:03:33,074 INFO L226 Difference]: Without dead ends: 568 [2025-03-04 03:03:33,077 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2025-03-04 03:03:33,078 INFO L435 NwaCegarLoop]: 688 mSDtfsCounter, 813 mSDsluCounter, 3340 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 851 SdHoareTripleChecker+Valid, 4028 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2025-03-04 03:03:33,078 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [851 Valid, 4028 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2025-03-04 03:03:33,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2025-03-04 03:03:33,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 566. [2025-03-04 03:03:33,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 327 states have (on average 1.2293577981651376) internal successors, (402), 330 states have internal predecessors, (402), 201 states have call successors, (201), 35 states have call predecessors, (201), 36 states have return successors, (239), 200 states have call predecessors, (239), 199 states have call successors, (239) [2025-03-04 03:03:33,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 842 transitions. [2025-03-04 03:03:33,122 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 842 transitions. Word has length 200 [2025-03-04 03:03:33,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:03:33,123 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 842 transitions. [2025-03-04 03:03:33,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2025-03-04 03:03:33,123 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 842 transitions. [2025-03-04 03:03:33,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2025-03-04 03:03:33,125 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:03:33,125 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 03:03:33,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-04 03:03:33,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:03:33,327 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:03:33,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:03:33,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1792782587, now seen corresponding path program 1 times [2025-03-04 03:03:33,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:03:33,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132581926] [2025-03-04 03:03:33,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:33,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:03:36,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 215 statements into 1 equivalence classes. [2025-03-04 03:03:36,997 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 215 of 215 statements. [2025-03-04 03:03:36,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:36,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:38,237 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2025-03-04 03:03:38,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:03:38,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132581926] [2025-03-04 03:03:38,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132581926] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:03:38,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466489343] [2025-03-04 03:03:38,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:38,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:03:38,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:03:38,240 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 03:03:38,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-04 03:03:42,568 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 215 statements into 1 equivalence classes. [2025-03-04 03:03:42,972 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 215 of 215 statements. [2025-03-04 03:03:42,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:42,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:42,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 4847 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 03:03:43,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:03:44,354 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-03-04 03:03:44,354 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:03:44,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466489343] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:03:44,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:03:44,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2025-03-04 03:03:44,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858871784] [2025-03-04 03:03:44,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:03:44,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 03:03:44,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:03:44,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 03:03:44,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-03-04 03:03:44,355 INFO L87 Difference]: Start difference. First operand 566 states and 842 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2025-03-04 03:03:47,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:03:47,865 INFO L93 Difference]: Finished difference Result 1090 states and 1641 transitions. [2025-03-04 03:03:47,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 03:03:47,866 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 215 [2025-03-04 03:03:47,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:03:47,872 INFO L225 Difference]: With dead ends: 1090 [2025-03-04 03:03:47,872 INFO L226 Difference]: Without dead ends: 572 [2025-03-04 03:03:47,875 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2025-03-04 03:03:47,876 INFO L435 NwaCegarLoop]: 718 mSDtfsCounter, 779 mSDsluCounter, 2814 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 787 SdHoareTripleChecker+Valid, 3532 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2025-03-04 03:03:47,876 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [787 Valid, 3532 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2025-03-04 03:03:47,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2025-03-04 03:03:47,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 566. [2025-03-04 03:03:47,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 327 states have (on average 1.2293577981651376) internal successors, (402), 330 states have internal predecessors, (402), 201 states have call successors, (201), 35 states have call predecessors, (201), 36 states have return successors, (239), 200 states have call predecessors, (239), 199 states have call successors, (239) [2025-03-04 03:03:47,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 842 transitions. [2025-03-04 03:03:47,904 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 842 transitions. Word has length 215 [2025-03-04 03:03:47,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:03:47,904 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 842 transitions. [2025-03-04 03:03:47,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2025-03-04 03:03:47,904 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 842 transitions. [2025-03-04 03:03:47,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2025-03-04 03:03:47,906 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:03:47,906 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 03:03:47,928 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-04 03:03:48,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:03:48,107 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:03:48,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:03:48,108 INFO L85 PathProgramCache]: Analyzing trace with hash 2053157011, now seen corresponding path program 1 times [2025-03-04 03:03:48,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:03:48,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558706453] [2025-03-04 03:03:48,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:48,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:03:51,680 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 231 statements into 1 equivalence classes. [2025-03-04 03:03:51,802 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 231 of 231 statements. [2025-03-04 03:03:51,802 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:51,802 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:53,329 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2025-03-04 03:03:53,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:03:53,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558706453] [2025-03-04 03:03:53,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558706453] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:03:53,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455138891] [2025-03-04 03:03:53,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:53,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:03:53,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:03:53,331 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 03:03:53,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-04 03:03:57,611 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 231 statements into 1 equivalence classes. [2025-03-04 03:03:58,049 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 231 of 231 statements. [2025-03-04 03:03:58,049 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:58,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:58,074 INFO L256 TraceCheckSpWp]: Trace formula consists of 4919 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 03:03:58,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:04:00,279 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2025-03-04 03:04:00,279 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:04:00,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [455138891] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:04:00,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:04:00,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2025-03-04 03:04:00,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149289714] [2025-03-04 03:04:00,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:04:00,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 03:04:00,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:04:00,280 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 03:04:00,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2025-03-04 03:04:00,280 INFO L87 Difference]: Start difference. First operand 566 states and 842 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 5 states have call predecessors, (33), 5 states have call successors, (33) [2025-03-04 03:04:08,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:04:08,236 INFO L93 Difference]: Finished difference Result 1101 states and 1651 transitions. [2025-03-04 03:04:08,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 03:04:08,237 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 5 states have call predecessors, (33), 5 states have call successors, (33) Word has length 231 [2025-03-04 03:04:08,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:04:08,242 INFO L225 Difference]: With dead ends: 1101 [2025-03-04 03:04:08,242 INFO L226 Difference]: Without dead ends: 583 [2025-03-04 03:04:08,274 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2025-03-04 03:04:08,275 INFO L435 NwaCegarLoop]: 682 mSDtfsCounter, 836 mSDsluCounter, 3965 mSDsCounter, 0 mSdLazyCounter, 707 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 873 SdHoareTripleChecker+Valid, 4647 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2025-03-04 03:04:08,276 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [873 Valid, 4647 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 707 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2025-03-04 03:04:08,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2025-03-04 03:04:08,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 566. [2025-03-04 03:04:08,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 327 states have (on average 1.2293577981651376) internal successors, (402), 330 states have internal predecessors, (402), 201 states have call successors, (201), 35 states have call predecessors, (201), 36 states have return successors, (239), 200 states have call predecessors, (239), 199 states have call successors, (239) [2025-03-04 03:04:08,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 842 transitions. [2025-03-04 03:04:08,331 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 842 transitions. Word has length 231 [2025-03-04 03:04:08,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:04:08,337 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 842 transitions. [2025-03-04 03:04:08,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 5 states have call predecessors, (33), 5 states have call successors, (33) [2025-03-04 03:04:08,337 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 842 transitions. [2025-03-04 03:04:08,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2025-03-04 03:04:08,339 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:04:08,339 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-04 03:04:08,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-04 03:04:08,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:04:08,545 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:04:08,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:04:08,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1069197365, now seen corresponding path program 2 times [2025-03-04 03:04:08,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:04:08,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864704628] [2025-03-04 03:04:08,551 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 03:04:08,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:04:12,467 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 246 statements into 2 equivalence classes.