./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.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_ring_buffer_clean_up_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 03a4ecb9d97ec40f0475820d11aa51b1de64332112f31fd921efefefc289335b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:24:20,079 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:24:20,155 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:24:20,159 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:24:20,160 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:24:20,193 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:24:20,194 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:24:20,194 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:24:20,195 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:24:20,195 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:24:20,196 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:24:20,196 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:24:20,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:24:20,203 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:24:20,203 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:24:20,204 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:24:20,204 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:24:20,204 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:24:20,205 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:24:20,205 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:24:20,205 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:24:20,206 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:24:20,206 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:24:20,206 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:24:20,206 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:24:20,207 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:24:20,207 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:24:20,207 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:24:20,207 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:24:20,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:24:20,208 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:24:20,208 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:24:20,208 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:24:20,209 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:24:20,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:24:20,221 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:24:20,221 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:24:20,222 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:24:20,222 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:24:20,222 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03a4ecb9d97ec40f0475820d11aa51b1de64332112f31fd921efefefc289335b [2024-11-19 02:24:20,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:24:20,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:24:20,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:24:20,521 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:24:20,522 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:24:20,523 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i [2024-11-19 02:24:22,011 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:24:22,484 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:24:22,485 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i [2024-11-19 02:24:22,531 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e14dbc58/256e0ba992ef4d6aaf2d8ece3c44fc42/FLAG07aa1201f [2024-11-19 02:24:22,591 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e14dbc58/256e0ba992ef4d6aaf2d8ece3c44fc42 [2024-11-19 02:24:22,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:24:22,598 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:24:22,603 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:24:22,603 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:24:22,609 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:24:22,610 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:24:22" (1/1) ... [2024-11-19 02:24:22,611 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61c280d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:22, skipping insertion in model container [2024-11-19 02:24:22,613 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:24:22" (1/1) ... [2024-11-19 02:24:22,735 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:24:23,118 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_ring_buffer_clean_up_harness.i[4498,4511] [2024-11-19 02:24:23,128 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_ring_buffer_clean_up_harness.i[4558,4571] [2024-11-19 02:24:23,999 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:24,000 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:24,000 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:24,001 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:24,002 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:24,014 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:24,015 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:24,017 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:24,017 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:24,566 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:24,567 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:24,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:24:24,727 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:24:24,744 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_ring_buffer_clean_up_harness.i[4498,4511] [2024-11-19 02:24:24,745 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_ring_buffer_clean_up_harness.i[4558,4571] [2024-11-19 02:24:24,805 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:24,807 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:24,807 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:24,808 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:24,809 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:24,814 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:24,815 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:24,816 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:24,816 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:24,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-19 02:24:24,958 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:24,958 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:24,988 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8995-9006] [2024-11-19 02:24:25,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:24:25,344 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:24:25,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:25 WrapperNode [2024-11-19 02:24:25,345 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:24:25,346 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:24:25,346 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:24:25,346 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:24:25,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:25" (1/1) ... [2024-11-19 02:24:25,462 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:25" (1/1) ... [2024-11-19 02:24:25,548 INFO L138 Inliner]: procedures = 680, calls = 2872, calls flagged for inlining = 56, calls inlined = 6, statements flattened = 817 [2024-11-19 02:24:25,549 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:24:25,550 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:24:25,550 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:24:25,550 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:24:25,561 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:25" (1/1) ... [2024-11-19 02:24:25,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:25" (1/1) ... [2024-11-19 02:24:25,574 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:25" (1/1) ... [2024-11-19 02:24:25,651 INFO L175 MemorySlicer]: Split 531 memory accesses to 5 slices as follows [2, 257, 238, 6, 28]. 48 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 0, 6, 5, 5]. The 494 writes are split as follows [0, 257, 232, 0, 5]. [2024-11-19 02:24:25,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:25" (1/1) ... [2024-11-19 02:24:25,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:25" (1/1) ... [2024-11-19 02:24:25,728 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:25" (1/1) ... [2024-11-19 02:24:25,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:25" (1/1) ... [2024-11-19 02:24:25,755 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:25" (1/1) ... [2024-11-19 02:24:25,763 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:25" (1/1) ... [2024-11-19 02:24:25,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:24:25,790 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:24:25,790 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:24:25,791 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:24:25,791 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:25" (1/1) ... [2024-11-19 02:24:25,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:24:25,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:24:25,828 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 02:24:25,831 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 02:24:25,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:24:25,883 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-19 02:24:25,884 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-19 02:24:25,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:24:25,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:24:25,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:24:25,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:24:25,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:24:25,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:24:25,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:24:25,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:24:25,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:24:25,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:24:25,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:24:25,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:24:25,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:24:25,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:24:25,885 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-19 02:24:25,885 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-19 02:24:25,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:24:25,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:24:25,885 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:24:25,885 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:24:25,885 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-19 02:24:25,886 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-19 02:24:25,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:24:25,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:24:25,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:24:25,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:24:25,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:24:25,886 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-19 02:24:25,886 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-19 02:24:25,886 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-19 02:24:25,886 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-19 02:24:25,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 02:24:25,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 02:24:25,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 02:24:25,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-19 02:24:25,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-19 02:24:25,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 02:24:25,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 02:24:25,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 02:24:25,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-19 02:24:25,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-19 02:24:25,889 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:24:25,890 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:24:25,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:24:25,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:24:25,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:24:25,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:24:25,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:24:25,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:24:25,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:24:25,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:24:25,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:24:25,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:24:25,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:24:25,892 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-19 02:24:25,892 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-19 02:24:25,892 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:24:25,893 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:24:25,893 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 02:24:25,893 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 02:24:25,893 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-19 02:24:25,894 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-19 02:24:25,894 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-19 02:24:25,894 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-19 02:24:25,894 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-19 02:24:25,894 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-19 02:24:25,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:24:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:24:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:24:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:24:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:24:26,240 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:24:26,244 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:24:34,888 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-11-19 02:24:34,889 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:24:34,908 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:24:34,909 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-19 02:24:34,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:24:34 BoogieIcfgContainer [2024-11-19 02:24:34,909 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:24:34,913 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:24:34,913 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:24:34,917 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:24:34,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:24:22" (1/3) ... [2024-11-19 02:24:34,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1536e29f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:24:34, skipping insertion in model container [2024-11-19 02:24:34,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:25" (2/3) ... [2024-11-19 02:24:34,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1536e29f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:24:34, skipping insertion in model container [2024-11-19 02:24:34,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:24:34" (3/3) ... [2024-11-19 02:24:34,920 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_clean_up_harness.i [2024-11-19 02:24:34,942 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:24:34,942 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-19 02:24:35,024 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:24:35,035 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;@4b69a955, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:24:35,035 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-19 02:24:35,040 INFO L276 IsEmpty]: Start isEmpty. Operand has 151 states, 99 states have (on average 1.2525252525252526) internal successors, (124), 102 states have internal predecessors, (124), 33 states have call successors, (33), 15 states have call predecessors, (33), 15 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-19 02:24:35,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-19 02:24:35,051 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:24:35,052 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-19 02:24:35,053 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2024-11-19 02:24:35,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:24:35,061 INFO L85 PathProgramCache]: Analyzing trace with hash -775767707, now seen corresponding path program 1 times [2024-11-19 02:24:35,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:24:35,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783269137] [2024-11-19 02:24:35,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:24:35,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:25:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:25:52,464 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-19 02:25:52,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:25:52,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783269137] [2024-11-19 02:25:52,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783269137] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:25:52,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718645641] [2024-11-19 02:25:52,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:25:52,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:25:52,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:25:52,469 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 02:25:52,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process