./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d 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_acquire_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 4e59d9fbf3221e05899a4337354f2c9a73733c9d6b6114c066d75ddd1c55b4e4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 20:03:18,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 20:03:18,778 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 20:03:18,782 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 20:03:18,782 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 20:03:18,802 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 20:03:18,802 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 20:03:18,803 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 20:03:18,803 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 20:03:18,806 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 20:03:18,806 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 20:03:18,807 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 20:03:18,807 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 20:03:18,807 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 20:03:18,807 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 20:03:18,807 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 20:03:18,808 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 20:03:18,808 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 20:03:18,808 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 20:03:18,808 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 20:03:18,810 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 20:03:18,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 20:03:18,811 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 20:03:18,811 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 20:03:18,811 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 20:03:18,811 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 20:03:18,811 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 20:03:18,812 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 20:03:18,812 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 20:03:18,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:03:18,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 20:03:18,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 20:03:18,813 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 20:03:18,813 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 20:03:18,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 20:03:18,813 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 20:03:18,813 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 20:03:18,813 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 20:03:18,813 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 20:03:18,814 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e59d9fbf3221e05899a4337354f2c9a73733c9d6b6114c066d75ddd1c55b4e4 [2024-11-16 20:03:18,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 20:03:19,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 20:03:19,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 20:03:19,009 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 20:03:19,010 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 20:03:19,011 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.i [2024-11-16 20:03:20,209 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 20:03:20,589 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 20:03:20,589 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.i [2024-11-16 20:03:20,627 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/594df596b/ebf33e75aca74ab9abce78f049d1cb1c/FLAGdc53e5cf0 [2024-11-16 20:03:20,772 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/594df596b/ebf33e75aca74ab9abce78f049d1cb1c [2024-11-16 20:03:20,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 20:03:20,777 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 20:03:20,778 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 20:03:20,778 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 20:03:20,785 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 20:03:20,785 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:03:20" (1/1) ... [2024-11-16 20:03:20,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e85f7cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:20, skipping insertion in model container [2024-11-16 20:03:20,786 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:03:20" (1/1) ... [2024-11-16 20:03:20,902 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 20:03:21,084 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_acquire_harness_negated.i[4497,4510] [2024-11-16 20:03:21,091 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_acquire_harness_negated.i[4557,4570] [2024-11-16 20:03:21,553 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:21,553 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:21,553 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:21,554 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:21,555 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:21,574 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:21,574 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:21,575 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:21,576 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:21,985 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:21,985 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:22,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:03:22,110 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 20:03:22,127 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_acquire_harness_negated.i[4497,4510] [2024-11-16 20:03:22,127 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_acquire_harness_negated.i[4557,4570] [2024-11-16 20:03:22,146 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:22,146 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:22,147 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:22,147 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:22,147 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:22,152 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:22,153 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:22,153 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:22,153 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:22,311 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-16 20:03:22,313 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:22,313 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:22,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8957-8968] [2024-11-16 20:03:22,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:03:22,511 INFO L204 MainTranslator]: Completed translation [2024-11-16 20:03:22,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:22 WrapperNode [2024-11-16 20:03:22,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 20:03:22,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 20:03:22,513 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 20:03:22,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 20:03:22,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:22" (1/1) ... [2024-11-16 20:03:22,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:22" (1/1) ... [2024-11-16 20:03:22,658 INFO L138 Inliner]: procedures = 684, calls = 2943, calls flagged for inlining = 61, calls inlined = 12, statements flattened = 1207 [2024-11-16 20:03:22,659 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 20:03:22,659 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 20:03:22,659 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 20:03:22,659 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 20:03:22,667 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:22" (1/1) ... [2024-11-16 20:03:22,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:22" (1/1) ... [2024-11-16 20:03:22,678 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:22" (1/1) ... [2024-11-16 20:03:22,783 INFO L175 MemorySlicer]: Split 617 memory accesses to 5 slices as follows [257, 2, 243, 68, 47]. 42 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [0, 2, 11, 10, 4]. The 515 writes are split as follows [257, 0, 232, 4, 22]. [2024-11-16 20:03:22,783 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:22" (1/1) ... [2024-11-16 20:03:22,784 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:22" (1/1) ... [2024-11-16 20:03:22,815 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:22" (1/1) ... [2024-11-16 20:03:22,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:22" (1/1) ... [2024-11-16 20:03:22,826 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:22" (1/1) ... [2024-11-16 20:03:22,838 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:22" (1/1) ... [2024-11-16 20:03:22,853 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 20:03:22,855 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 20:03:22,855 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 20:03:22,856 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 20:03:22,856 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:22" (1/1) ... [2024-11-16 20:03:22,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:03:22,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:03:22,884 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) [2024-11-16 20:03:22,887 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 [2024-11-16 20:03:22,923 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-16 20:03:22,924 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-16 20:03:22,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 20:03:22,925 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 20:03:22,925 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 20:03:22,925 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-16 20:03:22,925 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-16 20:03:22,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 20:03:22,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 20:03:22,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 20:03:22,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 20:03:22,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 20:03:22,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 20:03:22,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 20:03:22,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 20:03:22,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 20:03:22,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 20:03:22,926 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-16 20:03:22,926 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-16 20:03:22,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 20:03:22,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 20:03:22,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 20:03:22,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 20:03:22,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 20:03:22,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 20:03:22,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 20:03:22,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 20:03:22,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 20:03:22,927 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-16 20:03:22,928 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-16 20:03:22,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 20:03:22,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 20:03:22,928 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 20:03:22,928 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 20:03:22,928 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-16 20:03:22,928 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-16 20:03:22,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 20:03:22,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 20:03:22,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 20:03:22,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 20:03:22,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 20:03:22,929 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-16 20:03:22,929 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-16 20:03:22,929 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 20:03:22,929 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 20:03:22,929 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2024-11-16 20:03:22,930 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2024-11-16 20:03:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 20:03:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 20:03:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 20:03:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 20:03:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 20:03:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 20:03:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 20:03:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 20:03:22,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 20:03:22,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 20:03:22,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 20:03:22,931 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-16 20:03:22,931 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-16 20:03:22,931 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2024-11-16 20:03:22,931 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2024-11-16 20:03:22,931 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 20:03:22,931 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 20:03:22,932 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-11-16 20:03:22,932 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-11-16 20:03:22,932 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-11-16 20:03:22,932 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-11-16 20:03:22,932 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-16 20:03:22,932 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-16 20:03:22,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 20:03:22,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 20:03:22,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 20:03:22,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 20:03:22,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 20:03:22,933 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-16 20:03:22,933 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-16 20:03:22,934 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-16 20:03:22,934 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-16 20:03:22,934 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-11-16 20:03:22,934 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-11-16 20:03:22,934 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-16 20:03:22,934 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-16 20:03:22,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 20:03:22,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 20:03:22,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 20:03:22,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 20:03:22,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 20:03:23,224 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 20:03:23,226 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 20:03:23,254 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-16 20:03:23,292 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8769: havoc #t~mem1324.base, #t~mem1324.offset;havoc #t~mem1325.base, #t~mem1325.offset;havoc #t~short1326;havoc #t~mem1327.base, #t~mem1327.offset;havoc #t~short1328;havoc #t~mem1329.base, #t~mem1329.offset;havoc #t~mem1330.base, #t~mem1330.offset;havoc #t~short1331;havoc #t~mem1332.base, #t~mem1332.offset;havoc #t~mem1333;havoc #t~mem1334.base, #t~mem1334.offset;havoc #t~short1335; [2024-11-16 20:03:23,293 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2024-11-16 20:03:23,295 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-16 20:03:23,360 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7345: havoc #t~mem678;havoc #t~mem679;havoc #t~short680;havoc #t~mem681.base, #t~mem681.offset;havoc #t~short682;havoc #t~mem683;havoc #t~mem684;havoc #t~mem685;havoc #t~short686;havoc #t~mem687;havoc #t~mem688.base, #t~mem688.offset;havoc #t~short689;havoc #t~short690;havoc #t~short691;havoc #t~short692; [2024-11-16 20:03:23,383 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: havoc #t~ret422;havoc #t~mem421.base, #t~mem421.offset; [2024-11-16 20:03:23,389 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 20:03:23,399 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6032: havoc #t~mem452.base, #t~mem452.offset;havoc #t~mem453.base, #t~mem453.offset;havoc #t~short454; [2024-11-16 20:03:23,408 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L9182: havoc #t~mem1357.base, #t~mem1357.offset; [2024-11-16 20:03:23,425 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5612: havoc #t~ret408.base, #t~ret408.offset; [2024-11-16 20:03:23,465 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6065: havoc #t~mem464.base, #t~mem464.offset;havoc #t~mem465.base, #t~mem465.offset;havoc #t~mem466.base, #t~mem466.offset;havoc #t~short467;havoc #t~short468;havoc #t~mem469.base, #t~mem469.offset;havoc #t~short470; [2024-11-16 20:03:23,487 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8199: havoc #t~mem1063;havoc #t~mem1064.base, #t~mem1064.offset;havoc #t~mem1065;havoc #t~mem1066.base, #t~mem1066.offset;call ULTIMATE.dealloc(~#buf~2.base, ~#buf~2.offset);havoc ~#buf~2.base, ~#buf~2.offset; [2024-11-16 20:03:23,499 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L9193: havoc #t~mem1360.base, #t~mem1360.offset; [2024-11-16 20:03:30,236 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8612: havoc aws_ring_buffer_acquire_#t~ret1238#1; [2024-11-16 20:03:30,237 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8598-2: havoc aws_ring_buffer_acquire_#t~ret1229#1; [2024-11-16 20:03:30,237 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8606: havoc aws_ring_buffer_acquire_~ring_space~0#1; [2024-11-16 20:03:30,237 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8656: havoc aws_ring_buffer_acquire_#t~ret1268#1; [2024-11-16 20:03:30,388 INFO L? ?]: Removed 224 outVars from TransFormulas that were not future-live. [2024-11-16 20:03:30,388 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 20:03:30,421 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 20:03:30,423 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 20:03:30,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:03:30 BoogieIcfgContainer [2024-11-16 20:03:30,424 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 20:03:30,425 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 20:03:30,425 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 20:03:30,428 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 20:03:30,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:03:20" (1/3) ... [2024-11-16 20:03:30,428 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ab80dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:03:30, skipping insertion in model container [2024-11-16 20:03:30,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:22" (2/3) ... [2024-11-16 20:03:30,429 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ab80dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:03:30, skipping insertion in model container [2024-11-16 20:03:30,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:03:30" (3/3) ... [2024-11-16 20:03:30,430 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_harness_negated.i [2024-11-16 20:03:30,442 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 20:03:30,443 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-16 20:03:30,504 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 20:03:30,510 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;@9238eeb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 20:03:30,511 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-16 20:03:30,516 INFO L276 IsEmpty]: Start isEmpty. Operand has 417 states, 245 states have (on average 1.2163265306122448) internal successors, (298), 250 states have internal predecessors, (298), 146 states have call successors, (146), 21 states have call predecessors, (146), 21 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-16 20:03:30,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-16 20:03:30,525 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:03:30,525 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:03:30,526 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)] === [2024-11-16 20:03:30,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:03:30,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1035067229, now seen corresponding path program 1 times [2024-11-16 20:03:30,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:03:30,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236195508] [2024-11-16 20:03:30,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:03:30,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:04:42,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:42,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:04:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:42,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 20:04:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:42,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:04:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:42,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 20:04:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:42,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 20:04:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:42,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 20:04:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:42,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:04:42,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:42,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 20:04:42,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:42,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 20:04:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:42,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 20:04:42,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:42,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-16 20:04:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:42,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-16 20:04:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:42,927 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-16 20:04:42,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:04:42,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236195508] [2024-11-16 20:04:42,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236195508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:04:42,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:04:42,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 20:04:42,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212291734] [2024-11-16 20:04:42,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:04:42,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 20:04:42,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:04:42,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 20:04:42,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 20:04:42,951 INFO L87 Difference]: Start difference. First operand has 417 states, 245 states have (on average 1.2163265306122448) internal successors, (298), 250 states have internal predecessors, (298), 146 states have call successors, (146), 21 states have call predecessors, (146), 21 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-16 20:04:47,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:04:51,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:04:51,288 INFO L93 Difference]: Finished difference Result 816 states and 1269 transitions. [2024-11-16 20:04:51,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 20:04:51,290 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 72 [2024-11-16 20:04:51,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:04:51,300 INFO L225 Difference]: With dead ends: 816 [2024-11-16 20:04:51,300 INFO L226 Difference]: Without dead ends: 410 [2024-11-16 20:04:51,304 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 20:04:51,306 INFO L432 NwaCegarLoop]: 417 mSDtfsCounter, 146 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2024-11-16 20:04:51,307 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 570 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 293 Invalid, 1 Unknown, 0 Unchecked, 8.2s Time] [2024-11-16 20:04:51,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2024-11-16 20:04:51,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 410. [2024-11-16 20:04:51,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 239 states have (on average 1.1841004184100419) internal successors, (283), 244 states have internal predecessors, (283), 146 states have call successors, (146), 21 states have call predecessors, (146), 21 states have return successors, (145), 145 states have call predecessors, (145), 145 states have call successors, (145) [2024-11-16 20:04:51,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 574 transitions. [2024-11-16 20:04:51,388 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 574 transitions. Word has length 72 [2024-11-16 20:04:51,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:04:51,390 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 574 transitions. [2024-11-16 20:04:51,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-16 20:04:51,390 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 574 transitions. [2024-11-16 20:04:51,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-16 20:04:51,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:04:51,392 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:04:51,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 20:04:51,392 INFO L396 AbstractCegarLoop]: === Iteration 2 === 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)] === [2024-11-16 20:04:51,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:04:51,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1585339650, now seen corresponding path program 1 times [2024-11-16 20:04:51,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:04:51,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093605241] [2024-11-16 20:04:51,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:04:51,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms