./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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_init_dynamic_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 02a1ef197fe295e0adddb84ae3aa2db56396688008aeca91e1ab4b161b42690c --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:16:49,579 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:16:49,647 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:16:49,652 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:16:49,654 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:16:49,682 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:16:49,682 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:16:49,683 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:16:49,683 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:16:49,684 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:16:49,684 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:16:49,684 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:16:49,685 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:16:49,686 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:16:49,686 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:16:49,687 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:16:49,687 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:16:49,687 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:16:49,688 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:16:49,688 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:16:49,689 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:16:49,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:16:49,692 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:16:49,692 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:16:49,692 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:16:49,693 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:16:49,694 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:16:49,694 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:16:49,694 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:16:49,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:16:49,695 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:16:49,695 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:16:49,695 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:16:49,696 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:16:49,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:16:49,696 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:16:49,696 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:16:49,697 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:16:49,697 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:16:49,697 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02a1ef197fe295e0adddb84ae3aa2db56396688008aeca91e1ab4b161b42690c [2024-11-09 03:16:49,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:16:50,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:16:50,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:16:50,018 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:16:50,019 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:16:50,020 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i [2024-11-09 03:16:51,536 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:16:51,981 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:16:51,983 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i [2024-11-09 03:16:52,023 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7214d1fe/f1a451ab5d8b4d5c879cc18224853513/FLAGf74ef0c3c [2024-11-09 03:16:52,041 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7214d1fe/f1a451ab5d8b4d5c879cc18224853513 [2024-11-09 03:16:52,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:16:52,045 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:16:52,048 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:16:52,049 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:16:52,054 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:16:52,055 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:16:52" (1/1) ... [2024-11-09 03:16:52,055 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f2f1bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:16:52, skipping insertion in model container [2024-11-09 03:16:52,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:16:52" (1/1) ... [2024-11-09 03:16:52,152 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:16:52,501 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_init_dynamic_harness.i[4505,4518] [2024-11-09 03:16:52,514 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_init_dynamic_harness.i[4565,4578] [2024-11-09 03:16:53,897 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:53,898 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:53,898 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:53,899 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:53,900 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:53,918 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:53,918 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:53,920 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:53,920 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:54,352 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:54,352 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:54,424 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:16:54,463 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:16:54,480 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_init_dynamic_harness.i[4505,4518] [2024-11-09 03:16:54,481 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_init_dynamic_harness.i[4565,4578] [2024-11-09 03:16:54,564 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:54,564 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:54,564 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:54,565 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:54,565 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:54,576 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:54,578 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:54,580 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:54,582 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:54,671 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:54,675 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:54,684 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2024-11-09 03:16:54,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:16:54,943 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:16:54,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:16:54 WrapperNode [2024-11-09 03:16:54,944 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:16:54,945 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:16:54,945 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:16:54,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:16:54,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:16:54" (1/1) ... [2024-11-09 03:16:55,045 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:16:54" (1/1) ... [2024-11-09 03:16:55,133 INFO L138 Inliner]: procedures = 678, calls = 1530, calls flagged for inlining = 52, calls inlined = 9, statements flattened = 765 [2024-11-09 03:16:55,137 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:16:55,138 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:16:55,139 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:16:55,139 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:16:55,153 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:16:54" (1/1) ... [2024-11-09 03:16:55,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:16:54" (1/1) ... [2024-11-09 03:16:55,166 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:16:54" (1/1) ... [2024-11-09 03:16:55,247 INFO L175 MemorySlicer]: Split 301 memory accesses to 5 slices as follows [2, 48, 238, 8, 5]. 79 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 0, 6, 2, 5]. The 252 writes are split as follows [0, 19, 232, 1, 0]. [2024-11-09 03:16:55,249 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:16:54" (1/1) ... [2024-11-09 03:16:55,251 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:16:54" (1/1) ... [2024-11-09 03:16:55,294 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:16:54" (1/1) ... [2024-11-09 03:16:55,299 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:16:54" (1/1) ... [2024-11-09 03:16:55,307 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:16:54" (1/1) ... [2024-11-09 03:16:55,312 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:16:54" (1/1) ... [2024-11-09 03:16:55,323 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:16:55,324 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:16:55,324 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:16:55,324 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:16:55,328 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:16:54" (1/1) ... [2024-11-09 03:16:55,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:16:55,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:16:55,372 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) [2024-11-09 03:16:55,378 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 [2024-11-09 03:16:55,427 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-09 03:16:55,430 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-09 03:16:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:16:55,431 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-09 03:16:55,432 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-09 03:16:55,432 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:16:55,432 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:16:55,432 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-09 03:16:55,432 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-09 03:16:55,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:16:55,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:16:55,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:16:55,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:16:55,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:16:55,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:16:55,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:16:55,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:16:55,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:16:55,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:16:55,435 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 03:16:55,435 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 03:16:55,435 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:16:55,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:16:55,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:16:55,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:16:55,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:16:55,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:16:55,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:16:55,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:16:55,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:16:55,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:16:55,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:16:55,436 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:16:55,436 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:16:55,436 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-09 03:16:55,437 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-09 03:16:55,437 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-09 03:16:55,437 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-09 03:16:55,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:16:55,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:16:55,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:16:55,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:16:55,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:16:55,439 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-09 03:16:55,439 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-09 03:16:55,439 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-09 03:16:55,439 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-09 03:16:55,440 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:16:55,440 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:16:55,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:16:55,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:16:55,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:16:55,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:16:55,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:16:55,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:16:55,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:16:55,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:16:55,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:16:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:16:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:16:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:16:55,441 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:16:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-09 03:16:55,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-09 03:16:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:16:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:16:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:16:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:16:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:16:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-09 03:16:55,441 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-09 03:16:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-09 03:16:55,442 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-09 03:16:55,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:16:55,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:16:55,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:16:55,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:16:55,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:16:55,810 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:16:55,812 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:17:02,482 INFO L? ?]: Removed 151 outVars from TransFormulas that were not future-live. [2024-11-09 03:17:02,482 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:17:02,501 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:17:02,502 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-09 03:17:02,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:17:02 BoogieIcfgContainer [2024-11-09 03:17:02,503 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:17:02,505 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:17:02,505 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:17:02,508 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:17:02,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:16:52" (1/3) ... [2024-11-09 03:17:02,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff6e9b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:17:02, skipping insertion in model container [2024-11-09 03:17:02,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:16:54" (2/3) ... [2024-11-09 03:17:02,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff6e9b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:17:02, skipping insertion in model container [2024-11-09 03:17:02,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:17:02" (3/3) ... [2024-11-09 03:17:02,512 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_dynamic_harness.i [2024-11-09 03:17:02,530 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:17:02,531 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:17:02,618 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:17:02,628 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;@359b1b73, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:17:02,629 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:17:02,635 INFO L276 IsEmpty]: Start isEmpty. Operand has 219 states, 141 states have (on average 1.2411347517730495) internal successors, (175), 141 states have internal predecessors, (175), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-09 03:17:02,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-09 03:17:02,654 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:17:02,655 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 9, 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] [2024-11-09 03:17:02,656 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:17:02,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:17:02,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1438933569, now seen corresponding path program 1 times [2024-11-09 03:17:02,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:17:02,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964347216] [2024-11-09 03:17:02,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:17:02,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:17:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:09,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:17:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:09,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:17:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:09,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:17:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:09,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 03:17:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:09,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:17:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:09,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:17:09,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:09,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 03:17:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:09,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 03:17:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:09,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 03:17:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:09,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 03:17:09,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:09,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 03:17:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:09,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 03:17:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:09,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 03:17:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:09,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:17:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:09,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 03:17:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:09,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 03:17:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:09,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:17:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:09,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 03:17:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:09,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 03:17:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:09,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 03:17:09,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:10,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 03:17:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:10,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 03:17:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:10,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 03:17:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:10,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 03:17:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:10,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:17:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:10,096 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-09 03:17:10,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:17:10,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964347216] [2024-11-09 03:17:10,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964347216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:17:10,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:17:10,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 03:17:10,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943344893] [2024-11-09 03:17:10,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:17:10,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 03:17:10,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:17:10,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 03:17:10,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 03:17:10,143 INFO L87 Difference]: Start difference. First operand has 219 states, 141 states have (on average 1.2411347517730495) internal successors, (175), 141 states have internal predecessors, (175), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (25), 4 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-09 03:17:14,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:17:18,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:17:23,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:17:23,581 INFO L93 Difference]: Finished difference Result 436 states and 639 transitions. [2024-11-09 03:17:23,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 03:17:23,584 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (25), 4 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 144 [2024-11-09 03:17:23,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:17:23,595 INFO L225 Difference]: With dead ends: 436 [2024-11-09 03:17:23,595 INFO L226 Difference]: Without dead ends: 236 [2024-11-09 03:17:23,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 03:17:23,603 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 163 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 144 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2024-11-09 03:17:23,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 433 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 215 Invalid, 2 Unknown, 0 Unchecked, 13.0s Time] [2024-11-09 03:17:23,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-09 03:17:23,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 212. [2024-11-09 03:17:23,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 133 states have (on average 1.2105263157894737) internal successors, (161), 135 states have internal predecessors, (161), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-09 03:17:23,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 283 transitions. [2024-11-09 03:17:23,704 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 283 transitions. Word has length 144 [2024-11-09 03:17:23,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:17:23,708 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 283 transitions. [2024-11-09 03:17:23,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (25), 4 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-09 03:17:23,709 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 283 transitions. [2024-11-09 03:17:23,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-09 03:17:23,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:17:23,714 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 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] [2024-11-09 03:17:23,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 03:17:23,714 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:17:23,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:17:23,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1947585720, now seen corresponding path program 1 times [2024-11-09 03:17:23,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:17:23,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631683918] [2024-11-09 03:17:23,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:17:23,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:17:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:30,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:17:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:30,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:17:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:30,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:17:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:30,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 03:17:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:30,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:17:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:30,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:17:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:30,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 03:17:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:30,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 03:17:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:30,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 03:17:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:30,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 03:17:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:30,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 03:17:30,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:30,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 03:17:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:30,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 03:17:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:31,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:17:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:31,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 03:17:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:31,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 03:17:31,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:31,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:17:31,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:31,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 03:17:31,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:31,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 03:17:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:31,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 03:17:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:31,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 03:17:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:32,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:17:32,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:32,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:17:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:32,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 03:17:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:32,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 03:17:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:32,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 03:17:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:33,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 03:17:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:33,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:17:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:33,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:17:33,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:33,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-09 03:17:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:33,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:17:33,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:33,083 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2024-11-09 03:17:33,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:17:33,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631683918] [2024-11-09 03:17:33,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631683918] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 03:17:33,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572949098] [2024-11-09 03:17:33,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:17:33,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 03:17:33,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:17:33,088 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) [2024-11-09 03:17:33,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 03:17:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:39,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 4561 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 03:17:39,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 03:17:44,297 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 12 proven. 21 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2024-11-09 03:17:44,297 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 03:17:48,275 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-09 03:17:48,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572949098] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 03:17:48,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 03:17:48,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9, 10] total 19 [2024-11-09 03:17:48,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589795661] [2024-11-09 03:17:48,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:17:48,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 03:17:48,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:17:48,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 03:17:48,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=305, Unknown=0, NotChecked=0, Total=342 [2024-11-09 03:17:48,281 INFO L87 Difference]: Start difference. First operand 212 states and 283 transitions. Second operand has 5 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-09 03:17:49,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:17:49,279 INFO L93 Difference]: Finished difference Result 220 states and 291 transitions. [2024-11-09 03:17:49,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 03:17:49,280 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 178 [2024-11-09 03:17:49,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:17:49,284 INFO L225 Difference]: With dead ends: 220 [2024-11-09 03:17:49,285 INFO L226 Difference]: Without dead ends: 218 [2024-11-09 03:17:49,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=41, Invalid=339, Unknown=0, NotChecked=0, Total=380 [2024-11-09 03:17:49,288 INFO L432 NwaCegarLoop]: 280 mSDtfsCounter, 3 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1102 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 03:17:49,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1102 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 03:17:49,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-09 03:17:49,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 217. [2024-11-09 03:17:49,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 136 states have (on average 1.2058823529411764) internal successors, (164), 139 states have internal predecessors, (164), 63 states have call successors, (63), 17 states have call predecessors, (63), 17 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-09 03:17:49,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 288 transitions. [2024-11-09 03:17:49,323 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 288 transitions. Word has length 178 [2024-11-09 03:17:49,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:17:49,324 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 288 transitions. [2024-11-09 03:17:49,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-09 03:17:49,325 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 288 transitions. [2024-11-09 03:17:49,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-09 03:17:49,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:17:49,333 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 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] [2024-11-09 03:17:49,361 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 03:17:49,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 03:17:49,535 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:17:49,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:17:49,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1945738678, now seen corresponding path program 1 times [2024-11-09 03:17:49,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:17:49,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482484721] [2024-11-09 03:17:49,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:17:49,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:17:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:56,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:17:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:56,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:17:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:56,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:17:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:56,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 03:17:56,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:56,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:17:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:56,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:17:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:56,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 03:17:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:56,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 03:17:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:56,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 03:17:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:56,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 03:17:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:56,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 03:17:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:56,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 03:17:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:57,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 03:17:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:57,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:17:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:57,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 03:17:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:57,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 03:17:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:57,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:17:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:57,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 03:17:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:57,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 03:17:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:57,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 03:17:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:57,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 03:17:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:58,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:17:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:59,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:17:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:59,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 03:17:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:59,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 03:17:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:59,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 03:17:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:59,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 03:17:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:59,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:17:59,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:59,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:17:59,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:59,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-09 03:17:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:59,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:17:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:59,162 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2024-11-09 03:17:59,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:17:59,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482484721] [2024-11-09 03:17:59,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482484721] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 03:17:59,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469349218] [2024-11-09 03:17:59,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:17:59,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 03:17:59,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:17:59,169 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) [2024-11-09 03:17:59,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 03:18:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:04,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 4566 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 03:18:04,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 03:18:05,933 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-11-09 03:18:05,934 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 03:18:05,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469349218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:18:05,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 03:18:05,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 11 [2024-11-09 03:18:05,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245790343] [2024-11-09 03:18:05,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:18:05,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 03:18:05,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:18:05,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 03:18:05,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-09 03:18:05,938 INFO L87 Difference]: Start difference. First operand 217 states and 288 transitions. Second operand has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-09 03:18:06,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:18:06,781 INFO L93 Difference]: Finished difference Result 402 states and 527 transitions. [2024-11-09 03:18:06,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 03:18:06,782 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 178 [2024-11-09 03:18:06,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:18:06,785 INFO L225 Difference]: With dead ends: 402 [2024-11-09 03:18:06,786 INFO L226 Difference]: Without dead ends: 217 [2024-11-09 03:18:06,787 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-09 03:18:06,789 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 7 mSDsluCounter, 1089 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1365 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 03:18:06,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1365 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 03:18:06,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-09 03:18:06,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2024-11-09 03:18:06,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 136 states have (on average 1.1985294117647058) internal successors, (163), 139 states have internal predecessors, (163), 63 states have call successors, (63), 17 states have call predecessors, (63), 17 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-09 03:18:06,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 287 transitions. [2024-11-09 03:18:06,842 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 287 transitions. Word has length 178 [2024-11-09 03:18:06,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:18:06,843 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 287 transitions. [2024-11-09 03:18:06,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-09 03:18:06,843 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 287 transitions. [2024-11-09 03:18:06,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-09 03:18:06,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:18:06,847 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 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] [2024-11-09 03:18:06,880 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 03:18:07,048 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,SelfDestructingSolverStorable2 [2024-11-09 03:18:07,048 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:18:07,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:18:07,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1712341190, now seen corresponding path program 1 times [2024-11-09 03:18:07,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:18:07,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044298527] [2024-11-09 03:18:07,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:18:07,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms