./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash dfa651ad1a3815b71299318434192d50e4a949decdd541c310285fbc30ab43ee --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 18:13:55,178 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 18:13:55,220 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 18:13:55,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 18:13:55,224 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 18:13:55,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 18:13:55,244 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 18:13:55,244 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 18:13:55,244 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 18:13:55,244 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 18:13:55,244 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 18:13:55,244 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 18:13:55,244 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 18:13:55,245 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 18:13:55,245 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 18:13:55,245 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 18:13:55,245 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 18:13:55,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 18:13:55,245 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 18:13:55,245 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 18:13:55,245 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 18:13:55,245 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 18:13:55,245 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 18:13:55,245 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 18:13:55,245 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 18:13:55,245 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 18:13:55,245 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 18:13:55,245 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 18:13:55,245 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 18:13:55,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:13:55,245 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 18:13:55,246 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 18:13:55,246 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 18:13:55,246 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 18:13:55,246 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 18:13:55,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 18:13:55,246 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 18:13:55,246 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 18:13:55,246 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 18:13:55,246 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 18:13:55,246 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfa651ad1a3815b71299318434192d50e4a949decdd541c310285fbc30ab43ee [2025-03-08 18:13:55,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 18:13:55,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 18:13:55,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 18:13:55,467 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 18:13:55,467 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 18:13:55,468 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i [2025-03-08 18:13:56,598 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d8f4bd3e/068e39b669ea4fec9efb34d7df1e90bc/FLAGcf1c7a3ff [2025-03-08 18:13:56,999 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 18:13:56,999 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i [2025-03-08 18:13:57,026 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d8f4bd3e/068e39b669ea4fec9efb34d7df1e90bc/FLAGcf1c7a3ff [2025-03-08 18:13:57,042 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d8f4bd3e/068e39b669ea4fec9efb34d7df1e90bc [2025-03-08 18:13:57,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 18:13:57,046 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 18:13:57,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 18:13:57,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 18:13:57,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 18:13:57,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:13:57" (1/1) ... [2025-03-08 18:13:57,051 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb24bf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:57, skipping insertion in model container [2025-03-08 18:13:57,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:13:57" (1/1) ... [2025-03-08 18:13:57,104 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 18:13:57,260 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4501,4514] [2025-03-08 18:13:57,267 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4561,4574] [2025-03-08 18:13:57,859 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:57,859 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:57,861 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:57,861 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:57,862 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:57,873 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:57,873 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:57,874 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:57,875 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:57,876 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:57,876 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:57,877 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:57,877 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,309 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,313 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,378 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,379 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,379 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,380 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,380 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,380 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,380 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,381 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,381 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,381 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,381 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,381 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,381 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,385 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,386 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,386 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,386 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,388 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,389 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,393 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,393 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,394 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:13:58,443 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 18:13:58,459 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4501,4514] [2025-03-08 18:13:58,460 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4561,4574] [2025-03-08 18:13:58,514 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,514 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,514 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,514 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,515 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,522 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,524 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,525 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,526 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,527 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,527 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,527 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,528 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,602 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,606 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7771-7782] [2025-03-08 18:13:58,668 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,670 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,671 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,671 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,671 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,672 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,672 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,673 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,673 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,674 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,674 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,674 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,674 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,675 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,676 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,676 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,676 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,677 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,678 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,681 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,682 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,682 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:58,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:13:58,851 INFO L204 MainTranslator]: Completed translation [2025-03-08 18:13:58,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:58 WrapperNode [2025-03-08 18:13:58,852 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 18:13:58,853 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 18:13:58,854 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 18:13:58,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 18:13:58,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:58" (1/1) ... [2025-03-08 18:13:58,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:58" (1/1) ... [2025-03-08 18:13:58,974 INFO L138 Inliner]: procedures = 686, calls = 1892, calls flagged for inlining = 57, calls inlined = 17, statements flattened = 1174 [2025-03-08 18:13:58,975 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 18:13:58,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 18:13:58,975 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 18:13:58,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 18:13:58,982 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:58" (1/1) ... [2025-03-08 18:13:58,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:58" (1/1) ... [2025-03-08 18:13:58,993 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:58" (1/1) ... [2025-03-08 18:13:59,074 INFO L175 MemorySlicer]: Split 384 memory accesses to 6 slices as follows [238, 24, 2, 7, 104, 9]. 62 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [6, 5, 2, 2, 0, 1]. The 268 writes are split as follows [232, 8, 0, 1, 26, 1]. [2025-03-08 18:13:59,074 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:58" (1/1) ... [2025-03-08 18:13:59,074 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:58" (1/1) ... [2025-03-08 18:13:59,117 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:58" (1/1) ... [2025-03-08 18:13:59,124 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:58" (1/1) ... [2025-03-08 18:13:59,131 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:58" (1/1) ... [2025-03-08 18:13:59,136 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:58" (1/1) ... [2025-03-08 18:13:59,151 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 18:13:59,151 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 18:13:59,151 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 18:13:59,151 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 18:13:59,152 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:58" (1/1) ... [2025-03-08 18:13:59,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:13:59,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:13:59,190 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 18:13:59,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 18:13:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-03-08 18:13:59,210 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-03-08 18:13:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2025-03-08 18:13:59,210 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2025-03-08 18:13:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-03-08 18:13:59,210 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-03-08 18:13:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 18:13:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-03-08 18:13:59,210 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-03-08 18:13:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-03-08 18:13:59,211 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-03-08 18:13:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 18:13:59,211 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 18:13:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-03-08 18:13:59,211 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-03-08 18:13:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-03-08 18:13:59,211 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-03-08 18:13:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 18:13:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 18:13:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 18:13:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 18:13:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 18:13:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 18:13:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 18:13:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 18:13:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 18:13:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 18:13:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 18:13:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 18:13:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-08 18:13:59,211 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-08 18:13:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 18:13:59,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 18:13:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 18:13:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 18:13:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 18:13:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 18:13:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 18:13:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 18:13:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 18:13:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 18:13:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-03-08 18:13:59,211 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-03-08 18:13:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-08 18:13:59,212 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-08 18:13:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 18:13:59,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 18:13:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 18:13:59,212 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 18:13:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-08 18:13:59,212 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-08 18:13:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-08 18:13:59,212 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-08 18:13:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 18:13:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 18:13:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 18:13:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 18:13:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 18:13:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 18:13:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-08 18:13:59,212 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-08 18:13:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-03-08 18:13:59,212 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-03-08 18:13:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-03-08 18:13:59,212 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-03-08 18:13:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-03-08 18:13:59,212 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-03-08 18:13:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-08 18:13:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-08 18:13:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-08 18:13:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-08 18:13:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-08 18:13:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-08 18:13:59,212 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-08 18:13:59,212 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-08 18:13:59,212 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-08 18:13:59,212 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-08 18:13:59,212 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-08 18:13:59,212 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-08 18:13:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 18:13:59,212 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 18:13:59,213 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-08 18:13:59,213 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-08 18:13:59,213 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2025-03-08 18:13:59,213 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2025-03-08 18:13:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-03-08 18:13:59,214 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-03-08 18:13:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 18:13:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-08 18:13:59,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-08 18:13:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 18:13:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 18:13:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 18:13:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 18:13:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 18:13:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 18:13:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 18:13:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 18:13:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 18:13:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 18:13:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 18:13:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 18:13:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_push_ref [2025-03-08 18:13:59,214 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_push_ref [2025-03-08 18:13:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-03-08 18:13:59,215 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-03-08 18:13:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 18:13:59,215 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 18:13:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-08 18:13:59,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-08 18:13:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-08 18:13:59,215 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-08 18:13:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 18:13:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 18:13:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 18:13:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 18:13:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 18:13:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 18:13:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-03-08 18:13:59,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-03-08 18:13:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2025-03-08 18:13:59,215 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2025-03-08 18:13:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-03-08 18:13:59,215 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-03-08 18:13:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 18:13:59,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 18:13:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 18:13:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 18:13:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 18:13:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 18:13:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 18:13:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 18:13:59,499 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 18:13:59,501 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 18:13:59,528 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc583.base, #t~malloc583.offset; [2025-03-08 18:13:59,548 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-08 18:13:59,598 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-08 18:13:59,659 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6949: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2025-03-08 18:13:59,729 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8272: havoc aws_priority_queue_backpointers_valid_#t~ret874#1;havoc aws_priority_queue_backpointers_valid_#t~short875#1; [2025-03-08 18:13:59,792 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2944: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2025-03-08 18:13:59,797 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 18:13:59,898 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2997: havoc aws_array_list_push_back_#t~ret123#1; [2025-03-08 18:13:59,899 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8316: call ULTIMATE.dealloc(~#backpointer#1.base, ~#backpointer#1.offset);havoc ~#backpointer#1.base, ~#backpointer#1.offset; [2025-03-08 18:13:59,904 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6974: havoc #t~ret595.base, #t~ret595.offset; [2025-03-08 18:14:00,035 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7536: havoc aws_array_list_ensure_capacity_#t~ret764#1; [2025-03-08 18:14:00,035 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7413: call ULTIMATE.dealloc(aws_array_list_calc_necessary_size_~#index_inc~0#1.base, aws_array_list_calc_necessary_size_~#index_inc~0#1.offset);havoc aws_array_list_calc_necessary_size_~#index_inc~0#1.base, aws_array_list_calc_necessary_size_~#index_inc~0#1.offset; [2025-03-08 18:14:00,035 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7514: call ULTIMATE.dealloc(aws_array_list_ensure_capacity_~#necessary_size~0#1.base, aws_array_list_ensure_capacity_~#necessary_size~0#1.offset);havoc aws_array_list_ensure_capacity_~#necessary_size~0#1.base, aws_array_list_ensure_capacity_~#necessary_size~0#1.offset; [2025-03-08 18:14:00,035 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7523: havoc aws_array_list_ensure_capacity_#t~ret757#1; [2025-03-08 18:14:00,083 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8186: havoc ~node~1.base, ~node~1.offset; [2025-03-08 18:14:00,114 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-08 18:14:00,114 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7268: havoc nondet_compare_#t~ret668#1; [2025-03-08 18:14:00,131 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3203: havoc #t~ret243; [2025-03-08 18:14:00,137 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7392: havoc #t~ret681.base, #t~ret681.offset; [2025-03-08 18:14:00,170 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8082: call ULTIMATE.dealloc(~#parent_item~0.base, ~#parent_item~0.offset);havoc ~#parent_item~0.base, ~#parent_item~0.offset;call ULTIMATE.dealloc(~#child_item~0.base, ~#child_item~0.offset);havoc ~#child_item~0.base, ~#child_item~0.offset; [2025-03-08 18:14:00,265 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2878: call ULTIMATE.dealloc(~#allocation_size~0.base, ~#allocation_size~0.offset);havoc ~#allocation_size~0.base, ~#allocation_size~0.offset; [2025-03-08 18:14:00,275 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-08 18:14:05,760 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3121: havoc #t~ret187; [2025-03-08 18:14:05,760 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3108: havoc ~last_item_offset~1; [2025-03-08 18:14:05,880 INFO L? ?]: Removed 303 outVars from TransFormulas that were not future-live. [2025-03-08 18:14:05,880 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 18:14:05,897 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 18:14:05,898 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 18:14:05,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:14:05 BoogieIcfgContainer [2025-03-08 18:14:05,898 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 18:14:05,900 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 18:14:05,900 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 18:14:05,903 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 18:14:05,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:13:57" (1/3) ... [2025-03-08 18:14:05,904 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ffadcb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:14:05, skipping insertion in model container [2025-03-08 18:14:05,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:58" (2/3) ... [2025-03-08 18:14:05,905 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ffadcb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:14:05, skipping insertion in model container [2025-03-08 18:14:05,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:14:05" (3/3) ... [2025-03-08 18:14:05,906 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_ref_harness.i [2025-03-08 18:14:05,916 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 18:14:05,917 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_push_ref_harness.i that has 40 procedures, 568 locations, 1 initial locations, 10 loop locations, and 2 error locations. [2025-03-08 18:14:05,971 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 18:14:05,979 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;@dff28fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 18:14:05,981 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-08 18:14:05,986 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) [2025-03-08 18:14:05,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2025-03-08 18:14:05,999 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:14:05,999 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] [2025-03-08 18:14:06,000 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:14:06,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:14:06,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1972857572, now seen corresponding path program 1 times [2025-03-08 18:14:06,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:14:06,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128700994] [2025-03-08 18:14:06,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:06,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:14:10,222 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-03-08 18:14:10,561 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-03-08 18:14:10,562 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:10,562 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:10,995 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2025-03-08 18:14:10,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:14:10,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128700994] [2025-03-08 18:14:10,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128700994] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:14:10,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593559037] [2025-03-08 18:14:10,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:10,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:14:10,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:14:11,002 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:14:11,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 18:14:15,077 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-03-08 18:14:15,542 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-03-08 18:14:15,543 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:15,543 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:15,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 4670 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 18:14:15,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:14:15,595 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2025-03-08 18:14:15,596 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:14:15,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1593559037] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:14:15,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:14:15,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 18:14:15,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93198997] [2025-03-08 18:14:15,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:14:15,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 18:14:15,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:14:15,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 18:14:15,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 18:14:15,620 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) [2025-03-08 18:14:15,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:14:15,688 INFO L93 Difference]: Finished difference Result 1076 states and 1655 transitions. [2025-03-08 18:14:15,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 18:14:15,690 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 [2025-03-08 18:14:15,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:14:15,699 INFO L225 Difference]: With dead ends: 1076 [2025-03-08 18:14:15,699 INFO L226 Difference]: Without dead ends: 545 [2025-03-08 18:14:15,707 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 [2025-03-08 18:14:15,709 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 [2025-03-08 18:14:15,710 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] [2025-03-08 18:14:15,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2025-03-08 18:14:15,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 545. [2025-03-08 18:14:15,772 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) [2025-03-08 18:14:15,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 775 transitions. [2025-03-08 18:14:15,785 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 775 transitions. Word has length 192 [2025-03-08 18:14:15,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:14:15,787 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 775 transitions. [2025-03-08 18:14:15,787 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) [2025-03-08 18:14:15,787 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 775 transitions. [2025-03-08 18:14:15,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2025-03-08 18:14:15,792 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:14:15,793 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] [2025-03-08 18:14:15,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-08 18:14:15,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-08 18:14:15,994 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:14:15,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:14:15,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1361316733, now seen corresponding path program 1 times [2025-03-08 18:14:15,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:14:15,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510035445] [2025-03-08 18:14:15,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:15,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:14:19,671 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-03-08 18:14:19,804 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-03-08 18:14:19,804 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:19,804 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:20,891 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2025-03-08 18:14:20,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:14:20,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510035445] [2025-03-08 18:14:20,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510035445] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:14:20,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336293411] [2025-03-08 18:14:20,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:20,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:14:20,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:14:20,894 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:14:20,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 18:14:24,866 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-03-08 18:14:25,279 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-03-08 18:14:25,279 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:25,279 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:25,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 4670 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-08 18:14:25,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:14:26,338 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-03-08 18:14:26,339 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:14:26,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336293411] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:14:26,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:14:26,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-03-08 18:14:26,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543675009] [2025-03-08 18:14:26,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:14:26,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 18:14:26,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:14:26,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 18:14:26,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-08 18:14:26,341 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) [2025-03-08 18:14:28,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:14:28,568 INFO L93 Difference]: Finished difference Result 1044 states and 1496 transitions. [2025-03-08 18:14:28,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 18:14:28,569 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 [2025-03-08 18:14:28,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:14:28,575 INFO L225 Difference]: With dead ends: 1044 [2025-03-08 18:14:28,575 INFO L226 Difference]: Without dead ends: 547 [2025-03-08 18:14:28,577 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 [2025-03-08 18:14:28,577 INFO L435 NwaCegarLoop]: 726 mSDtfsCounter, 763 mSDsluCounter, 2146 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 1.9s IncrementalHoareTripleChecker+Time [2025-03-08 18:14:28,578 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [771 Valid, 2872 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-03-08 18:14:28,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2025-03-08 18:14:28,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 547. [2025-03-08 18:14:28,615 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) [2025-03-08 18:14:28,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 784 transitions. [2025-03-08 18:14:28,619 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 784 transitions. Word has length 192 [2025-03-08 18:14:28,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:14:28,620 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 784 transitions. [2025-03-08 18:14:28,620 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) [2025-03-08 18:14:28,621 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 784 transitions. [2025-03-08 18:14:28,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2025-03-08 18:14:28,624 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:14:28,624 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] [2025-03-08 18:14:28,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-08 18:14:28,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-08 18:14:28,825 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:14:28,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:14:28,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1258503105, now seen corresponding path program 1 times [2025-03-08 18:14:28,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:14:28,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634996131] [2025-03-08 18:14:28,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:28,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:14:32,564 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 200 statements into 1 equivalence classes. [2025-03-08 18:14:32,670 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 200 of 200 statements. [2025-03-08 18:14:32,670 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:32,670 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:33,959 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2025-03-08 18:14:33,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:14:33,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634996131] [2025-03-08 18:14:33,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634996131] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:14:33,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517125014] [2025-03-08 18:14:33,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:33,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:14:33,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:14:33,963 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:14:33,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-08 18:14:38,002 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 200 statements into 1 equivalence classes. [2025-03-08 18:14:38,433 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 200 of 200 statements. [2025-03-08 18:14:38,433 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:38,433 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:38,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 4720 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-08 18:14:38,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:14:40,045 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-03-08 18:14:40,046 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:14:40,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [517125014] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:14:40,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:14:40,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2025-03-08 18:14:40,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570740407] [2025-03-08 18:14:40,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:14:40,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-08 18:14:40,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:14:40,048 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-08 18:14:40,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-03-08 18:14:40,048 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) [2025-03-08 18:14:46,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:14:46,513 INFO L93 Difference]: Finished difference Result 1067 states and 1572 transitions. [2025-03-08 18:14:46,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-08 18:14:46,514 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 [2025-03-08 18:14:46,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:14:46,519 INFO L225 Difference]: With dead ends: 1067 [2025-03-08 18:14:46,519 INFO L226 Difference]: Without dead ends: 568 [2025-03-08 18:14:46,521 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2025-03-08 18:14:46,522 INFO L435 NwaCegarLoop]: 688 mSDtfsCounter, 813 mSDsluCounter, 3340 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s 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, 5.5s IncrementalHoareTripleChecker+Time [2025-03-08 18:14:46,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [851 Valid, 4028 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2025-03-08 18:14:46,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2025-03-08 18:14:46,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 566. [2025-03-08 18:14:46,542 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) [2025-03-08 18:14:46,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 842 transitions. [2025-03-08 18:14:46,546 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 842 transitions. Word has length 200 [2025-03-08 18:14:46,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:14:46,547 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 842 transitions. [2025-03-08 18:14:46,547 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) [2025-03-08 18:14:46,547 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 842 transitions. [2025-03-08 18:14:46,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2025-03-08 18:14:46,549 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:14:46,549 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] [2025-03-08 18:14:46,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-08 18:14:46,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:14:46,750 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:14:46,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:14:46,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1792782587, now seen corresponding path program 1 times [2025-03-08 18:14:46,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:14:46,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408375277] [2025-03-08 18:14:46,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:46,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:14:50,217 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 215 statements into 1 equivalence classes. [2025-03-08 18:14:50,350 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 215 of 215 statements. [2025-03-08 18:14:50,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:50,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:51,632 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2025-03-08 18:14:51,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:14:51,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408375277] [2025-03-08 18:14:51,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408375277] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:14:51,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702853740] [2025-03-08 18:14:51,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:51,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:14:51,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:14:51,635 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:14:51,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-08 18:14:55,895 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 215 statements into 1 equivalence classes. [2025-03-08 18:14:56,311 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 215 of 215 statements. [2025-03-08 18:14:56,311 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:56,311 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:56,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 4847 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-08 18:14:56,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:14:57,639 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-03-08 18:14:57,639 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:14:57,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702853740] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:14:57,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:14:57,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2025-03-08 18:14:57,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782417603] [2025-03-08 18:14:57,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:14:57,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 18:14:57,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:14:57,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 18:14:57,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-03-08 18:14:57,640 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) [2025-03-08 18:15:00,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:15:00,964 INFO L93 Difference]: Finished difference Result 1090 states and 1641 transitions. [2025-03-08 18:15:00,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-08 18:15:00,965 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 [2025-03-08 18:15:00,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:15:00,971 INFO L225 Difference]: With dead ends: 1090 [2025-03-08 18:15:00,972 INFO L226 Difference]: Without dead ends: 572 [2025-03-08 18:15:00,974 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 [2025-03-08 18:15:00,976 INFO L435 NwaCegarLoop]: 718 mSDtfsCounter, 779 mSDsluCounter, 2814 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s 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, 2.8s IncrementalHoareTripleChecker+Time [2025-03-08 18:15:00,977 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [787 Valid, 3532 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2025-03-08 18:15:00,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2025-03-08 18:15:00,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 566. [2025-03-08 18:15:00,999 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) [2025-03-08 18:15:01,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 842 transitions. [2025-03-08 18:15:01,003 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 842 transitions. Word has length 215 [2025-03-08 18:15:01,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:15:01,003 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 842 transitions. [2025-03-08 18:15:01,003 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) [2025-03-08 18:15:01,004 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 842 transitions. [2025-03-08 18:15:01,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2025-03-08 18:15:01,006 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:15:01,006 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] [2025-03-08 18:15:01,025 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-08 18:15:01,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:15:01,207 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:15:01,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:15:01,207 INFO L85 PathProgramCache]: Analyzing trace with hash 2053157011, now seen corresponding path program 1 times [2025-03-08 18:15:01,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:15:01,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560712224] [2025-03-08 18:15:01,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:15:01,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:15:04,679 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 231 statements into 1 equivalence classes. [2025-03-08 18:15:04,796 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 231 of 231 statements. [2025-03-08 18:15:04,796 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:15:04,796 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:15:06,267 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2025-03-08 18:15:06,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:15:06,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560712224] [2025-03-08 18:15:06,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560712224] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:15:06,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590071166] [2025-03-08 18:15:06,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:15:06,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:15:06,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:15:06,270 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:15:06,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-08 18:15:10,528 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 231 statements into 1 equivalence classes. [2025-03-08 18:15:10,940 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 231 of 231 statements. [2025-03-08 18:15:10,940 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:15:10,940 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:15:10,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 4919 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-08 18:15:10,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:15:13,006 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2025-03-08 18:15:13,006 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:15:13,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590071166] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:15:13,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:15:13,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2025-03-08 18:15:13,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016633537] [2025-03-08 18:15:13,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:15:13,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-08 18:15:13,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:15:13,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-08 18:15:13,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2025-03-08 18:15:13,008 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) [2025-03-08 18:15:21,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:15:21,221 INFO L93 Difference]: Finished difference Result 1101 states and 1651 transitions. [2025-03-08 18:15:21,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-08 18:15:21,222 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 [2025-03-08 18:15:21,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:15:21,228 INFO L225 Difference]: With dead ends: 1101 [2025-03-08 18:15:21,228 INFO L226 Difference]: Without dead ends: 583 [2025-03-08 18:15:21,231 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2025-03-08 18:15:21,232 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, 7.0s IncrementalHoareTripleChecker+Time [2025-03-08 18:15:21,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [873 Valid, 4647 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 707 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2025-03-08 18:15:21,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2025-03-08 18:15:21,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 566. [2025-03-08 18:15:21,253 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) [2025-03-08 18:15:21,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 842 transitions. [2025-03-08 18:15:21,259 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 842 transitions. Word has length 231 [2025-03-08 18:15:21,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:15:21,259 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 842 transitions. [2025-03-08 18:15:21,259 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) [2025-03-08 18:15:21,260 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 842 transitions. [2025-03-08 18:15:21,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2025-03-08 18:15:21,264 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:15:21,264 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] [2025-03-08 18:15:21,288 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-08 18:15:21,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:15:21,465 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:15:21,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:15:21,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1069197365, now seen corresponding path program 2 times [2025-03-08 18:15:21,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:15:21,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831030545] [2025-03-08 18:15:21,466 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-08 18:15:21,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:15:25,044 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 246 statements into 2 equivalence classes. [2025-03-08 18:15:25,683 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 246 of 246 statements. [2025-03-08 18:15:25,684 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-08 18:15:25,684 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat