./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.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_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8a38a43769c42d8669572ba16bfe2bf0ba7986e6a4cc5f2e35ff1bb4fb35c723 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 03:02:41,760 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 03:02:41,812 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 03:02:41,815 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 03:02:41,816 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 03:02:41,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 03:02:41,837 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 03:02:41,837 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 03:02:41,837 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 03:02:41,838 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 03:02:41,838 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 03:02:41,839 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 03:02:41,839 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 03:02:41,839 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 03:02:41,839 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 03:02:41,839 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 03:02:41,839 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 03:02:41,839 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 03:02:41,839 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 03:02:41,839 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 03:02:41,840 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 03:02:41,840 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 03:02:41,840 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 03:02:41,840 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 03:02:41,840 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 03:02:41,840 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 03:02:41,840 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 03:02:41,840 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 03:02:41,840 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 03:02:41,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:02:41,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 03:02:41,841 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 03:02:41,841 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 03:02:41,841 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 03:02:41,841 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 03:02:41,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 03:02:41,842 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 03:02:41,842 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 03:02:41,842 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 03:02:41,842 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 03:02:41,842 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 -> 8a38a43769c42d8669572ba16bfe2bf0ba7986e6a4cc5f2e35ff1bb4fb35c723 [2025-03-04 03:02:42,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 03:02:42,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 03:02:42,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 03:02:42,057 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 03:02:42,057 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 03:02:42,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i [2025-03-04 03:02:43,155 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29f5de06f/913765f9510f44249d2da1885572f11b/FLAGc5451234d [2025-03-04 03:02:43,663 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 03:02:43,664 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i [2025-03-04 03:02:43,697 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29f5de06f/913765f9510f44249d2da1885572f11b/FLAGc5451234d [2025-03-04 03:02:43,731 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29f5de06f/913765f9510f44249d2da1885572f11b [2025-03-04 03:02:43,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 03:02:43,735 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 03:02:43,736 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 03:02:43,736 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 03:02:43,739 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 03:02:43,739 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:02:43" (1/1) ... [2025-03-04 03:02:43,740 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@133f5035 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 03:02:43,740 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:02:43" (1/1) ... [2025-03-04 03:02:43,803 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 03:02:44,007 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_negated.i[4501,4514] [2025-03-04 03:02:44,016 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_negated.i[4561,4574] [2025-03-04 03:02:44,554 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,555 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,555 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,556 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,556 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,567 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,567 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,570 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,570 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,572 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,572 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,573 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,573 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,923 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,931 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:44,999 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,000 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,000 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,000 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,000 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,000 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,001 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,001 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,001 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,001 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,002 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,002 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,002 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,007 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,007 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,008 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,008 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,011 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,012 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,018 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,020 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,020 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:02:45,070 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 03:02:45,079 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_negated.i[4501,4514] [2025-03-04 03:02:45,080 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_negated.i[4561,4574] [2025-03-04 03:02:45,116 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,117 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,117 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,117 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,118 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,149 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,152 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,153 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,153 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,154 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,154 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,155 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,155 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,224 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,227 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,231 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7739-7750] [2025-03-04 03:02:45,251 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,252 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,253 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,253 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,253 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,253 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,253 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,254 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,254 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,254 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,254 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,254 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,254 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,255 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,255 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,255 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,255 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,257 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,257 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,260 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,260 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,261 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:45,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:02:45,424 INFO L204 MainTranslator]: Completed translation [2025-03-04 03:02:45,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:45 WrapperNode [2025-03-04 03:02:45,425 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 03:02:45,426 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 03:02:45,426 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 03:02:45,426 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 03:02:45,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:45" (1/1) ... [2025-03-04 03:02:45,487 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:45" (1/1) ... [2025-03-04 03:02:45,545 INFO L138 Inliner]: procedures = 686, calls = 1892, calls flagged for inlining = 57, calls inlined = 17, statements flattened = 1174 [2025-03-04 03:02:45,546 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 03:02:45,546 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 03:02:45,546 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 03:02:45,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 03:02:45,552 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:45" (1/1) ... [2025-03-04 03:02:45,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:45" (1/1) ... [2025-03-04 03:02:45,559 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:45" (1/1) ... [2025-03-04 03:02:45,639 INFO L175 MemorySlicer]: Split 384 memory accesses to 6 slices as follows [238, 9, 2, 24, 104, 7]. 62 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [6, 1, 2, 5, 0, 2]. The 268 writes are split as follows [232, 1, 0, 8, 26, 1]. [2025-03-04 03:02:45,639 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:45" (1/1) ... [2025-03-04 03:02:45,640 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:45" (1/1) ... [2025-03-04 03:02:45,671 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:45" (1/1) ... [2025-03-04 03:02:45,675 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:45" (1/1) ... [2025-03-04 03:02:45,687 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:45" (1/1) ... [2025-03-04 03:02:45,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:45" (1/1) ... [2025-03-04 03:02:45,708 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 03:02:45,709 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 03:02:45,709 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 03:02:45,709 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 03:02:45,710 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:45" (1/1) ... [2025-03-04 03:02:45,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:02:45,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:02:45,739 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 03:02:45,741 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 03:02:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-03-04 03:02:45,758 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-03-04 03:02:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2025-03-04 03:02:45,758 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2025-03-04 03:02:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-03-04 03:02:45,758 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-03-04 03:02:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 03:02:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-03-04 03:02:45,759 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-03-04 03:02:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-03-04 03:02:45,759 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-03-04 03:02:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 03:02:45,759 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 03:02:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-03-04 03:02:45,759 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-03-04 03:02:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-03-04 03:02:45,759 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-03-04 03:02:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 03:02:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 03:02:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 03:02:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 03:02:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 03:02:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 03:02:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 03:02:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 03:02:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 03:02:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 03:02:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 03:02:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 03:02:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 03:02:45,760 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 03:02:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 03:02:45,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 03:02:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 03:02:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 03:02:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 03:02:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 03:02:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 03:02:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 03:02:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 03:02:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 03:02:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-03-04 03:02:45,761 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-03-04 03:02:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-04 03:02:45,761 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-04 03:02:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 03:02:45,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 03:02:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 03:02:45,761 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 03:02:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-04 03:02:45,762 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-04 03:02:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-04 03:02:45,762 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-04 03:02:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 03:02:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 03:02:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 03:02:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 03:02:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 03:02:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 03:02:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-04 03:02:45,762 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-04 03:02:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-03-04 03:02:45,762 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-03-04 03:02:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-03-04 03:02:45,762 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-03-04 03:02:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-03-04 03:02:45,762 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-03-04 03:02:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-04 03:02:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-04 03:02:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-04 03:02:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-04 03:02:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-04 03:02:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-04 03:02:45,762 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-04 03:02:45,762 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-04 03:02:45,762 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-04 03:02:45,762 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-04 03:02:45,762 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-04 03:02:45,762 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-04 03:02:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 03:02:45,762 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 03:02:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-04 03:02:45,762 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-04 03:02:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2025-03-04 03:02:45,763 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2025-03-04 03:02:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-03-04 03:02:45,763 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-03-04 03:02:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 03:02:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-04 03:02:45,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-04 03:02:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 03:02:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 03:02:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 03:02:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 03:02:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 03:02:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 03:02:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 03:02:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 03:02:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 03:02:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 03:02:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 03:02:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 03:02:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_push_ref [2025-03-04 03:02:45,763 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_push_ref [2025-03-04 03:02:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-03-04 03:02:45,763 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-03-04 03:02:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 03:02:45,763 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 03:02:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-04 03:02:45,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-04 03:02:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-04 03:02:45,763 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-04 03:02:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 03:02:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 03:02:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 03:02:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 03:02:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 03:02:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 03:02:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-03-04 03:02:45,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-03-04 03:02:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2025-03-04 03:02:45,763 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2025-03-04 03:02:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-03-04 03:02:45,763 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-03-04 03:02:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-04 03:02:45,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-04 03:02:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 03:02:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 03:02:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 03:02:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 03:02:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 03:02:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 03:02:46,048 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 03:02:46,050 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 03:02:46,078 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923: havoc #t~malloc583.base, #t~malloc583.offset; [2025-03-04 03:02:46,095 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-04 03:02:46,119 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-04 03:02:46,188 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6937: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2025-03-04 03:02:46,272 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8240: havoc aws_priority_queue_backpointers_valid_#t~ret874#1;havoc aws_priority_queue_backpointers_valid_#t~short875#1; [2025-03-04 03:02:46,337 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 03:02:46,341 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 03:02:46,444 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2997: havoc aws_array_list_push_back_#t~ret123#1; [2025-03-04 03:02:46,444 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8284: call ULTIMATE.dealloc(~#backpointer#1.base, ~#backpointer#1.offset);havoc ~#backpointer#1.base, ~#backpointer#1.offset; [2025-03-04 03:02:46,449 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6962: havoc #t~ret595.base, #t~ret595.offset; [2025-03-04 03:02:46,570 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7504: havoc aws_array_list_ensure_capacity_#t~ret764#1; [2025-03-04 03:02:46,570 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7381: 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 03:02:46,570 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7482: 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 03:02:46,570 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7491: havoc aws_array_list_ensure_capacity_#t~ret757#1; [2025-03-04 03:02:46,600 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8154: havoc ~node~1.base, ~node~1.offset; [2025-03-04 03:02:46,625 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-04 03:02:46,625 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7252: havoc nondet_compare_#t~ret668#1; [2025-03-04 03:02:46,640 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3203: havoc #t~ret243; [2025-03-04 03:02:46,645 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7360: havoc #t~ret681.base, #t~ret681.offset; [2025-03-04 03:02:46,683 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8050: 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 03:02:46,773 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 03:02:46,784 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-04 03:02:52,358 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3121: havoc #t~ret187; [2025-03-04 03:02:52,359 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3108: havoc ~last_item_offset~1; [2025-03-04 03:02:52,489 INFO L? ?]: Removed 303 outVars from TransFormulas that were not future-live. [2025-03-04 03:02:52,489 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 03:02:52,514 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 03:02:52,518 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 03:02:52,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:02:52 BoogieIcfgContainer [2025-03-04 03:02:52,519 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 03:02:52,521 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 03:02:52,521 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 03:02:52,525 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 03:02:52,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 03:02:43" (1/3) ... [2025-03-04 03:02:52,526 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d28438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:02:52, skipping insertion in model container [2025-03-04 03:02:52,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:45" (2/3) ... [2025-03-04 03:02:52,527 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d28438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:02:52, skipping insertion in model container [2025-03-04 03:02:52,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:02:52" (3/3) ... [2025-03-04 03:02:52,528 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_ref_harness_negated.i [2025-03-04 03:02:52,540 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 03:02:52,542 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_push_ref_harness_negated.i that has 40 procedures, 568 locations, 1 initial locations, 10 loop locations, and 2 error locations. [2025-03-04 03:02:52,602 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 03:02:52,613 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;@3b54f6bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 03:02:52,613 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-04 03:02:52,618 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 03:02:52,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2025-03-04 03:02:52,633 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:02:52,633 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 03:02:52,634 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:02:52,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:02:52,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1972857572, now seen corresponding path program 1 times [2025-03-04 03:02:52,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:02:52,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999276208] [2025-03-04 03:02:52,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:02:52,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:02:56,995 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-03-04 03:02:57,324 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-03-04 03:02:57,325 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:02:57,325 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:02:57,823 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 03:02:57,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:02:57,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999276208] [2025-03-04 03:02:57,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999276208] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:02:57,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086609050] [2025-03-04 03:02:57,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:02:57,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:02:57,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:02:57,831 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 03:02:57,833 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 03:03:02,074 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-03-04 03:03:02,553 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-03-04 03:03:02,553 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:02,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:02,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 4670 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 03:03:02,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:03:02,604 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 03:03:02,605 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:03:02,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086609050] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:03:02,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:03:02,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-04 03:03:02,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272609997] [2025-03-04 03:03:02,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:03:02,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 03:03:02,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:03:02,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 03:03:02,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 03:03:02,631 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 03:03:02,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:03:02,701 INFO L93 Difference]: Finished difference Result 1076 states and 1655 transitions. [2025-03-04 03:03:02,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 03:03:02,705 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 03:03:02,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:03:02,721 INFO L225 Difference]: With dead ends: 1076 [2025-03-04 03:03:02,721 INFO L226 Difference]: Without dead ends: 545 [2025-03-04 03:03:02,767 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 03:03:02,769 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 03:03:02,769 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 03:03:02,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2025-03-04 03:03:02,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 545. [2025-03-04 03:03:02,849 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 03:03:02,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 775 transitions. [2025-03-04 03:03:02,864 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 775 transitions. Word has length 192 [2025-03-04 03:03:02,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:03:02,865 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 775 transitions. [2025-03-04 03:03:02,866 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 03:03:02,866 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 775 transitions. [2025-03-04 03:03:02,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2025-03-04 03:03:02,874 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:03:02,874 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 03:03:02,890 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 03:03:03,075 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 03:03:03,075 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:03:03,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:03:03,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1361316733, now seen corresponding path program 1 times [2025-03-04 03:03:03,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:03:03,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43743675] [2025-03-04 03:03:03,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:03,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:03:07,087 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-03-04 03:03:07,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-03-04 03:03:07,239 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:07,239 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:08,316 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 03:03:08,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:03:08,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43743675] [2025-03-04 03:03:08,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43743675] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:03:08,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637124427] [2025-03-04 03:03:08,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:08,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:03:08,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:03:08,321 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 03:03:08,323 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 03:03:12,475 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-03-04 03:03:12,912 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-03-04 03:03:12,912 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:12,912 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:12,936 INFO L256 TraceCheckSpWp]: Trace formula consists of 4670 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 03:03:12,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:03:13,970 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 03:03:13,970 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:03:13,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637124427] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:03:13,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:03:13,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-03-04 03:03:13,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529867616] [2025-03-04 03:03:13,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:03:13,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 03:03:13,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:03:13,972 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 03:03:13,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-04 03:03:13,975 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 03:03:16,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:03:16,490 INFO L93 Difference]: Finished difference Result 1044 states and 1496 transitions. [2025-03-04 03:03:16,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 03:03:16,491 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 03:03:16,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:03:16,497 INFO L225 Difference]: With dead ends: 1044 [2025-03-04 03:03:16,497 INFO L226 Difference]: Without dead ends: 547 [2025-03-04 03:03:16,500 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 03:03:16,500 INFO L435 NwaCegarLoop]: 726 mSDtfsCounter, 763 mSDsluCounter, 2146 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s 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, 2.1s IncrementalHoareTripleChecker+Time [2025-03-04 03:03:16,501 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [771 Valid, 2872 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2025-03-04 03:03:16,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2025-03-04 03:03:16,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 547. [2025-03-04 03:03:16,526 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 03:03:16,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 784 transitions. [2025-03-04 03:03:16,531 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 784 transitions. Word has length 192 [2025-03-04 03:03:16,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:03:16,532 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 784 transitions. [2025-03-04 03:03:16,532 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 03:03:16,532 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 784 transitions. [2025-03-04 03:03:16,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2025-03-04 03:03:16,535 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:03:16,535 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 03:03:16,551 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 03:03:16,735 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 03:03:16,736 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:03:16,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:03:16,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1258503105, now seen corresponding path program 1 times [2025-03-04 03:03:16,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:03:16,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952142161] [2025-03-04 03:03:16,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:16,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:03:20,536 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 200 statements into 1 equivalence classes. [2025-03-04 03:03:20,653 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 200 of 200 statements. [2025-03-04 03:03:20,654 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:20,654 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:22,160 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 03:03:22,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:03:22,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952142161] [2025-03-04 03:03:22,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952142161] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:03:22,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772593513] [2025-03-04 03:03:22,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:22,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:03:22,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:03:22,163 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 03:03:22,167 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 03:03:26,556 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 200 statements into 1 equivalence classes. [2025-03-04 03:03:26,931 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 200 of 200 statements. [2025-03-04 03:03:26,931 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:26,931 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:26,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 4720 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 03:03:26,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:03:28,722 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 03:03:28,722 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:03:28,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [772593513] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:03:28,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:03:28,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2025-03-04 03:03:28,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909757274] [2025-03-04 03:03:28,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:03:28,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 03:03:28,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:03:28,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 03:03:28,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-03-04 03:03:28,723 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 03:03:35,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:03:35,417 INFO L93 Difference]: Finished difference Result 1067 states and 1572 transitions. [2025-03-04 03:03:35,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-04 03:03:35,418 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 03:03:35,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:03:35,425 INFO L225 Difference]: With dead ends: 1067 [2025-03-04 03:03:35,425 INFO L226 Difference]: Without dead ends: 568 [2025-03-04 03:03:35,429 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2025-03-04 03:03:35,430 INFO L435 NwaCegarLoop]: 688 mSDtfsCounter, 813 mSDsluCounter, 3340 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s 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, 5.7s IncrementalHoareTripleChecker+Time [2025-03-04 03:03:35,430 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [851 Valid, 4028 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2025-03-04 03:03:35,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2025-03-04 03:03:35,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 566. [2025-03-04 03:03:35,469 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 03:03:35,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 842 transitions. [2025-03-04 03:03:35,475 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 842 transitions. Word has length 200 [2025-03-04 03:03:35,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:03:35,475 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 842 transitions. [2025-03-04 03:03:35,475 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 03:03:35,475 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 842 transitions. [2025-03-04 03:03:35,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2025-03-04 03:03:35,477 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:03:35,477 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 03:03:35,496 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 03:03:35,678 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 03:03:35,678 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:03:35,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:03:35,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1792782587, now seen corresponding path program 1 times [2025-03-04 03:03:35,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:03:35,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692021997] [2025-03-04 03:03:35,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:35,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:03:39,405 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 215 statements into 1 equivalence classes. [2025-03-04 03:03:39,551 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 215 of 215 statements. [2025-03-04 03:03:39,554 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:39,555 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:40,837 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 03:03:40,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:03:40,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692021997] [2025-03-04 03:03:40,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692021997] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:03:40,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1587366014] [2025-03-04 03:03:40,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:40,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:03:40,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:03:40,841 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 03:03:40,843 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 03:03:45,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 215 statements into 1 equivalence classes. [2025-03-04 03:03:45,717 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 215 of 215 statements. [2025-03-04 03:03:45,717 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:45,717 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:45,740 INFO L256 TraceCheckSpWp]: Trace formula consists of 4847 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 03:03:45,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:03:47,072 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 03:03:47,072 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:03:47,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1587366014] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:03:47,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:03:47,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2025-03-04 03:03:47,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262867345] [2025-03-04 03:03:47,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:03:47,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 03:03:47,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:03:47,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 03:03:47,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-03-04 03:03:47,074 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 03:03:50,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:03:50,744 INFO L93 Difference]: Finished difference Result 1090 states and 1641 transitions. [2025-03-04 03:03:50,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 03:03:50,746 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 03:03:50,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:03:50,753 INFO L225 Difference]: With dead ends: 1090 [2025-03-04 03:03:50,754 INFO L226 Difference]: Without dead ends: 572 [2025-03-04 03:03:50,757 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 03:03:50,759 INFO L435 NwaCegarLoop]: 718 mSDtfsCounter, 779 mSDsluCounter, 2814 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s 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, 3.1s IncrementalHoareTripleChecker+Time [2025-03-04 03:03:50,760 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [787 Valid, 3532 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2025-03-04 03:03:50,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2025-03-04 03:03:50,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 566. [2025-03-04 03:03:50,786 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 03:03:50,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 842 transitions. [2025-03-04 03:03:50,790 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 842 transitions. Word has length 215 [2025-03-04 03:03:50,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:03:50,791 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 842 transitions. [2025-03-04 03:03:50,791 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 03:03:50,791 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 842 transitions. [2025-03-04 03:03:50,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2025-03-04 03:03:50,795 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:03:50,795 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 03:03:50,815 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 03:03:50,996 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 03:03:50,996 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:03:50,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:03:50,997 INFO L85 PathProgramCache]: Analyzing trace with hash 2053157011, now seen corresponding path program 1 times [2025-03-04 03:03:50,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:03:50,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010212513] [2025-03-04 03:03:50,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:50,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:03:54,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 231 statements into 1 equivalence classes. [2025-03-04 03:03:54,687 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 231 of 231 statements. [2025-03-04 03:03:54,687 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:54,687 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:56,321 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 03:03:56,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:03:56,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010212513] [2025-03-04 03:03:56,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010212513] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:03:56,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874030532] [2025-03-04 03:03:56,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:56,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:03:56,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:03:56,323 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 03:03:56,325 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 03:04:00,868 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 231 statements into 1 equivalence classes. [2025-03-04 03:04:01,292 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 231 of 231 statements. [2025-03-04 03:04:01,292 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:04:01,292 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:04:01,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 4919 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 03:04:01,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:04:03,405 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 03:04:03,405 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:04:03,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874030532] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:04:03,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:04:03,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2025-03-04 03:04:03,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793323912] [2025-03-04 03:04:03,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:04:03,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 03:04:03,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:04:03,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 03:04:03,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2025-03-04 03:04:03,407 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 03:04:11,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:04:11,716 INFO L93 Difference]: Finished difference Result 1101 states and 1651 transitions. [2025-03-04 03:04:11,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 03:04:11,717 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 03:04:11,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:04:11,723 INFO L225 Difference]: With dead ends: 1101 [2025-03-04 03:04:11,723 INFO L226 Difference]: Without dead ends: 583 [2025-03-04 03:04:11,726 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 03:04:11,728 INFO L435 NwaCegarLoop]: 682 mSDtfsCounter, 836 mSDsluCounter, 3965 mSDsCounter, 0 mSdLazyCounter, 707 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s 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, 6.9s IncrementalHoareTripleChecker+Time [2025-03-04 03:04:11,728 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [873 Valid, 4647 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 707 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2025-03-04 03:04:11,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2025-03-04 03:04:11,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 566. [2025-03-04 03:04:11,748 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 03:04:11,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 842 transitions. [2025-03-04 03:04:11,753 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 842 transitions. Word has length 231 [2025-03-04 03:04:11,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:04:11,753 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 842 transitions. [2025-03-04 03:04:11,753 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 03:04:11,754 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 842 transitions. [2025-03-04 03:04:11,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2025-03-04 03:04:11,757 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:04:11,757 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 03:04:11,783 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 03:04:11,958 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 03:04:11,958 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:04:11,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:04:11,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1069197365, now seen corresponding path program 2 times [2025-03-04 03:04:11,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:04:11,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864447146] [2025-03-04 03:04:11,965 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 03:04:11,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms