./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc 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_static_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 188eb157187c65ed20c0598818206541e0c8a29005d59be8891bc5ebe4132fce --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:21:10,173 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:21:10,262 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:21:10,268 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:21:10,271 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:21:10,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:21:10,301 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:21:10,302 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:21:10,302 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:21:10,302 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:21:10,303 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:21:10,303 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:21:10,304 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:21:10,304 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:21:10,304 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:21:10,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:21:10,305 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:21:10,306 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:21:10,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:21:10,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:21:10,307 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:21:10,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:21:10,308 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:21:10,309 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:21:10,309 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:21:10,310 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:21:10,310 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:21:10,310 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:21:10,311 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:21:10,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:21:10,311 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:21:10,312 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:21:10,312 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:21:10,312 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:21:10,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:21:10,313 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:21:10,313 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:21:10,314 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:21:10,314 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:21:10,314 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 188eb157187c65ed20c0598818206541e0c8a29005d59be8891bc5ebe4132fce [2024-11-19 02:21:10,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:21:10,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:21:10,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:21:10,643 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:21:10,644 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:21:10,646 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness_negated.i [2024-11-19 02:21:12,122 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:21:12,612 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:21:12,614 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness_negated.i [2024-11-19 02:21:12,659 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/713f2ebb5/fdecd313c6c84ea6b3bf3e487ad6af4c/FLAG1b767ad1b [2024-11-19 02:21:12,678 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/713f2ebb5/fdecd313c6c84ea6b3bf3e487ad6af4c [2024-11-19 02:21:12,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:21:12,683 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:21:12,685 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:21:12,685 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:21:12,690 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:21:12,691 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:21:12" (1/1) ... [2024-11-19 02:21:12,692 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba1da8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:12, skipping insertion in model container [2024-11-19 02:21:12,693 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:21:12" (1/1) ... [2024-11-19 02:21:12,805 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:21:13,146 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_static_harness_negated.i[4504,4517] [2024-11-19 02:21:13,157 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_static_harness_negated.i[4564,4577] [2024-11-19 02:21:14,354 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,355 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,355 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,356 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,357 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,369 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,370 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,372 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,372 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,760 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,762 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:21:14,866 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:21:14,880 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_static_harness_negated.i[4504,4517] [2024-11-19 02:21:14,881 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_static_harness_negated.i[4564,4577] [2024-11-19 02:21:14,943 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,944 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,945 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,945 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,946 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,952 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,953 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,954 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,954 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,068 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,068 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7671-7682] [2024-11-19 02:21:15,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:21:15,305 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:21:15,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15 WrapperNode [2024-11-19 02:21:15,306 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:21:15,308 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:21:15,308 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:21:15,308 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:21:15,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,391 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,478 INFO L138 Inliner]: procedures = 678, calls = 1525, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 684 [2024-11-19 02:21:15,479 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:21:15,480 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:21:15,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:21:15,480 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:21:15,496 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,511 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,594 INFO L175 MemorySlicer]: Split 296 memory accesses to 5 slices as follows [2, 238, 49, 2, 5]. 80 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 6, 2, 0, 5]. The 252 writes are split as follows [0, 232, 20, 0, 0]. [2024-11-19 02:21:15,594 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,595 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,633 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,641 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,655 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,664 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,675 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:21:15,680 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:21:15,680 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:21:15,680 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:21:15,681 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:21:15,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:21:15,717 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) [2024-11-19 02:21:15,720 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 [2024-11-19 02:21:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-19 02:21:15,767 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-19 02:21:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:21:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-19 02:21:15,768 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-19 02:21:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:21:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:21:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:21:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:21:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:21:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:21:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:21:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:21:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:21:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:21:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-19 02:21:15,771 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-19 02:21:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:21:15,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:21:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:21:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:21:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:21:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:21:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:21:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:21:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:21:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:21:15,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:21:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:21:15,772 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:21:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-19 02:21:15,772 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-19 02:21:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-19 02:21:15,772 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-19 02:21:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:21:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:21:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:21:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:21:15,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:21:15,773 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-19 02:21:15,773 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-19 02:21:15,773 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:21:15,773 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:21:15,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:21:15,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:21:15,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:21:15,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:21:15,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:21:15,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:21:15,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:21:15,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:21:15,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:21:15,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:21:15,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:21:15,776 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-19 02:21:15,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-19 02:21:15,776 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 02:21:15,777 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 02:21:15,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:21:15,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:21:15,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:21:15,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:21:15,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:21:15,777 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-19 02:21:15,777 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-19 02:21:15,778 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-19 02:21:15,778 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-19 02:21:15,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:21:15,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:21:15,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:21:15,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:21:15,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:21:16,113 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:21:16,116 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:21:22,907 INFO L? ?]: Removed 135 outVars from TransFormulas that were not future-live. [2024-11-19 02:21:22,907 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:21:22,927 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:21:22,928 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-19 02:21:22,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:21:22 BoogieIcfgContainer [2024-11-19 02:21:22,928 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:21:22,931 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:21:22,931 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:21:22,934 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:21:22,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:21:12" (1/3) ... [2024-11-19 02:21:22,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b0acbef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:21:22, skipping insertion in model container [2024-11-19 02:21:22,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (2/3) ... [2024-11-19 02:21:22,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b0acbef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:21:22, skipping insertion in model container [2024-11-19 02:21:22,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:21:22" (3/3) ... [2024-11-19 02:21:22,936 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_static_harness_negated.i [2024-11-19 02:21:22,953 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:21:22,953 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:21:23,034 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:21:23,042 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;@1b34c811, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:21:23,042 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:21:23,047 INFO L276 IsEmpty]: Start isEmpty. Operand has 169 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 107 states have internal predecessors, (130), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-19 02:21:23,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-19 02:21:23,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:21:23,066 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1] [2024-11-19 02:21:23,068 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:21:23,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:21:23,074 INFO L85 PathProgramCache]: Analyzing trace with hash 401780967, now seen corresponding path program 1 times [2024-11-19 02:21:23,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:21:23,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340821153] [2024-11-19 02:21:23,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:21:23,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:21:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:21:29,065 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2024-11-19 02:21:29,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:21:29,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340821153] [2024-11-19 02:21:29,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340821153] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:21:29,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1999506157] [2024-11-19 02:21:29,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:21:29,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:21:29,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:21:29,071 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) [2024-11-19 02:21:29,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 02:21:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:21:34,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 4467 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 02:21:34,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 02:21:34,976 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2024-11-19 02:21:34,977 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 02:21:34,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1999506157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:21:34,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 02:21:34,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 02:21:34,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880693635] [2024-11-19 02:21:34,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:21:34,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 02:21:34,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:21:35,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 02:21:35,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 02:21:35,023 INFO L87 Difference]: Start difference. First operand has 169 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 107 states have internal predecessors, (130), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-19 02:21:35,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:21:35,070 INFO L93 Difference]: Finished difference Result 314 states and 449 transitions. [2024-11-19 02:21:35,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 02:21:35,072 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 155 [2024-11-19 02:21:35,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:21:35,083 INFO L225 Difference]: With dead ends: 314 [2024-11-19 02:21:35,083 INFO L226 Difference]: Without dead ends: 163 [2024-11-19 02:21:35,089 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 02:21:35,092 INFO L432 NwaCegarLoop]: 220 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, 220 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 [2024-11-19 02:21:35,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 02:21:35,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-19 02:21:35,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2024-11-19 02:21:35,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 101 states have (on average 1.1683168316831682) internal successors, (118), 102 states have internal predecessors, (118), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-19 02:21:35,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 213 transitions. [2024-11-19 02:21:35,146 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 213 transitions. Word has length 155 [2024-11-19 02:21:35,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:21:35,148 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 213 transitions. [2024-11-19 02:21:35,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-19 02:21:35,148 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 213 transitions. [2024-11-19 02:21:35,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-19 02:21:35,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:21:35,154 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:21:35,184 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 02:21:35,355 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 [2024-11-19 02:21:35,355 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:21:35,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:21:35,356 INFO L85 PathProgramCache]: Analyzing trace with hash 782876487, now seen corresponding path program 1 times [2024-11-19 02:21:35,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:21:35,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348617631] [2024-11-19 02:21:35,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:21:35,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:21:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:21:42,748 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2024-11-19 02:21:42,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:21:42,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348617631] [2024-11-19 02:21:42,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348617631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:21:42,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 02:21:42,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 02:21:42,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728438750] [2024-11-19 02:21:42,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:21:42,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 02:21:42,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:21:42,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 02:21:42,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 02:21:42,754 INFO L87 Difference]: Start difference. First operand 163 states and 213 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-19 02:21:44,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:21:44,542 INFO L93 Difference]: Finished difference Result 259 states and 334 transitions. [2024-11-19 02:21:44,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 02:21:44,544 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) Word has length 172 [2024-11-19 02:21:44,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:21:44,549 INFO L225 Difference]: With dead ends: 259 [2024-11-19 02:21:44,549 INFO L226 Difference]: Without dead ends: 165 [2024-11-19 02:21:44,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-19 02:21:44,551 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 38 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-19 02:21:44,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 1026 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-19 02:21:44,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-19 02:21:44,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2024-11-19 02:21:44,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 102 states have (on average 1.1666666666666667) internal successors, (119), 104 states have internal predecessors, (119), 48 states have call successors, (48), 13 states have call predecessors, (48), 14 states have return successors, (49), 47 states have call predecessors, (49), 47 states have call successors, (49) [2024-11-19 02:21:44,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 216 transitions. [2024-11-19 02:21:44,573 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 216 transitions. Word has length 172 [2024-11-19 02:21:44,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:21:44,574 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 216 transitions. [2024-11-19 02:21:44,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-19 02:21:44,575 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 216 transitions. [2024-11-19 02:21:44,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-19 02:21:44,578 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:21:44,578 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:21:44,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 02:21:44,578 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:21:44,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:21:44,579 INFO L85 PathProgramCache]: Analyzing trace with hash -923114483, now seen corresponding path program 1 times [2024-11-19 02:21:44,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:21:44,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281552231] [2024-11-19 02:21:44,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:21:44,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:21:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:21:51,238 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2024-11-19 02:21:51,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:21:51,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281552231] [2024-11-19 02:21:51,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281552231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:21:51,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 02:21:51,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 02:21:51,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736635765] [2024-11-19 02:21:51,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:21:51,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 02:21:51,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:21:51,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 02:21:51,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 02:21:51,242 INFO L87 Difference]: Start difference. First operand 165 states and 216 transitions. Second operand has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-19 02:21:51,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:21:51,747 INFO L93 Difference]: Finished difference Result 280 states and 362 transitions. [2024-11-19 02:21:51,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 02:21:51,749 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 187 [2024-11-19 02:21:51,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:21:51,751 INFO L225 Difference]: With dead ends: 280 [2024-11-19 02:21:51,751 INFO L226 Difference]: Without dead ends: 165 [2024-11-19 02:21:51,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-19 02:21:51,753 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 7 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 02:21:51,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1022 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 02:21:51,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-19 02:21:51,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2024-11-19 02:21:51,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 102 states have (on average 1.1568627450980393) internal successors, (118), 104 states have internal predecessors, (118), 48 states have call successors, (48), 13 states have call predecessors, (48), 14 states have return successors, (49), 47 states have call predecessors, (49), 47 states have call successors, (49) [2024-11-19 02:21:51,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 215 transitions. [2024-11-19 02:21:51,778 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 215 transitions. Word has length 187 [2024-11-19 02:21:51,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:21:51,780 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 215 transitions. [2024-11-19 02:21:51,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-19 02:21:51,781 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 215 transitions. [2024-11-19 02:21:51,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-19 02:21:51,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:21:51,787 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:21:51,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 02:21:51,787 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:21:51,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:21:51,788 INFO L85 PathProgramCache]: Analyzing trace with hash -611515787, now seen corresponding path program 1 times [2024-11-19 02:21:51,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:21:51,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487950261] [2024-11-19 02:21:51,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:21:51,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:21:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:22:00,428 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2024-11-19 02:22:00,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:22:00,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487950261] [2024-11-19 02:22:00,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487950261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:22:00,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 02:22:00,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 02:22:00,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543490901] [2024-11-19 02:22:00,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:22:00,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 02:22:00,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:22:00,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 02:22:00,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-19 02:22:00,435 INFO L87 Difference]: Start difference. First operand 165 states and 215 transitions. Second operand has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-19 02:22:00,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:22:00,972 INFO L93 Difference]: Finished difference Result 283 states and 365 transitions. [2024-11-19 02:22:00,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 02:22:00,974 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 189 [2024-11-19 02:22:00,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:22:00,979 INFO L225 Difference]: With dead ends: 283 [2024-11-19 02:22:00,981 INFO L226 Difference]: Without dead ends: 167 [2024-11-19 02:22:00,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-19 02:22:00,983 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 9 mSDsluCounter, 812 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 02:22:00,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1018 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 02:22:00,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-19 02:22:01,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 166. [2024-11-19 02:22:01,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 103 states have (on average 1.1553398058252426) internal successors, (119), 105 states have internal predecessors, (119), 48 states have call successors, (48), 13 states have call predecessors, (48), 14 states have return successors, (49), 47 states have call predecessors, (49), 47 states have call successors, (49) [2024-11-19 02:22:01,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 216 transitions. [2024-11-19 02:22:01,009 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 216 transitions. Word has length 189 [2024-11-19 02:22:01,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:22:01,010 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 216 transitions. [2024-11-19 02:22:01,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-19 02:22:01,011 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 216 transitions. [2024-11-19 02:22:01,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-19 02:22:01,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:22:01,013 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:22:01,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 02:22:01,013 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:22:01,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:22:01,014 INFO L85 PathProgramCache]: Analyzing trace with hash 949594579, now seen corresponding path program 1 times [2024-11-19 02:22:01,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:22:01,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26705676] [2024-11-19 02:22:01,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:22:01,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:22:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:22:09,031 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2024-11-19 02:22:09,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:22:09,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26705676] [2024-11-19 02:22:09,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26705676] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:22:09,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431631175] [2024-11-19 02:22:09,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:22:09,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:22:09,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:22:09,033 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) [2024-11-19 02:22:09,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 02:22:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:22:14,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 4695 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-19 02:22:14,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 02:22:16,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-19 02:22:18,676 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset_5| Int) (|v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_5| Int)) (and (<= |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset_5| |c_aws_mul_size_checked_#in~r#1.offset|) (= (store |c_old(#memory_$Pointer$#2.base)| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_5| (store (select |c_old(#memory_$Pointer$#2.base)| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_5|) |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset_5| (select (select |c_#memory_$Pointer$#2.base| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_5|) |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset_5|))) |c_#memory_$Pointer$#2.base|))) is different from true [2024-11-19 02:22:21,207 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2024-11-19 02:22:21,207 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 02:22:21,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [431631175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:22:21,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 02:22:21,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [8] total 23 [2024-11-19 02:22:21,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411956913] [2024-11-19 02:22:21,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:22:21,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-19 02:22:21,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:22:21,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-19 02:22:21,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=386, Unknown=25, NotChecked=40, Total=506 [2024-11-19 02:22:21,210 INFO L87 Difference]: Start difference. First operand 166 states and 216 transitions. Second operand has 17 states, 15 states have (on average 4.066666666666666) internal successors, (61), 15 states have internal predecessors, (61), 8 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (32), 8 states have call predecessors, (32), 7 states have call successors, (32)