./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_size_harness.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_priority_queue_size_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 717a04d93cdb05e0e1badb8a5b5a815e5ffe711ba3ffceb407a0dd65280ab4bb --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 20:02:59,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 20:02:59,913 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 20:02:59,923 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 20:02:59,924 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 20:02:59,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 20:02:59,963 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 20:02:59,963 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 20:02:59,964 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 20:02:59,964 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 20:02:59,965 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 20:02:59,965 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 20:02:59,966 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 20:02:59,967 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 20:02:59,967 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 20:02:59,968 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 20:02:59,968 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 20:02:59,968 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 20:02:59,969 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 20:02:59,969 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 20:02:59,976 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 20:02:59,977 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 20:02:59,977 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 20:02:59,977 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 20:02:59,978 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 20:02:59,978 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 20:02:59,978 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 20:02:59,978 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 20:02:59,979 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 20:02:59,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:02:59,979 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 20:02:59,980 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 20:02:59,980 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 20:02:59,983 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 20:02:59,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 20:02:59,984 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 20:02:59,984 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 20:02:59,984 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 20:02:59,986 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 20:02:59,986 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 717a04d93cdb05e0e1badb8a5b5a815e5ffe711ba3ffceb407a0dd65280ab4bb [2024-11-16 20:03:00,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 20:03:00,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 20:03:00,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 20:03:00,320 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 20:03:00,321 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 20:03:00,322 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_size_harness.i [2024-11-16 20:03:01,980 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 20:03:02,468 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 20:03:02,469 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_size_harness.i [2024-11-16 20:03:02,517 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b67c63bf5/134e1c5e08fb4295aad8aa39f9024f35/FLAG05f6b72d6 [2024-11-16 20:03:02,568 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b67c63bf5/134e1c5e08fb4295aad8aa39f9024f35 [2024-11-16 20:03:02,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 20:03:02,573 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 20:03:02,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 20:03:02,575 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 20:03:02,581 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 20:03:02,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:03:02" (1/1) ... [2024-11-16 20:03:02,583 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14959ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:02, skipping insertion in model container [2024-11-16 20:03:02,583 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:03:02" (1/1) ... [2024-11-16 20:03:02,684 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 20:03:03,079 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_size_harness.i[4497,4510] [2024-11-16 20:03:03,099 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_size_harness.i[4557,4570] [2024-11-16 20:03:04,205 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:04,207 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:04,208 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:04,209 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:04,212 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:04,231 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:04,232 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:04,234 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:04,234 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:04,795 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:04,796 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:04,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:03:04,925 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 20:03:04,943 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_size_harness.i[4497,4510] [2024-11-16 20:03:04,947 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_size_harness.i[4557,4570] [2024-11-16 20:03:05,008 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:05,009 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:05,009 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:05,010 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:05,010 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:05,016 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:05,017 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:05,018 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:05,018 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:05,115 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:05,115 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:05,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2024-11-16 20:03:05,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:03:05,445 INFO L204 MainTranslator]: Completed translation [2024-11-16 20:03:05,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:05 WrapperNode [2024-11-16 20:03:05,446 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 20:03:05,447 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 20:03:05,448 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 20:03:05,448 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 20:03:05,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:05" (1/1) ... [2024-11-16 20:03:05,537 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:05" (1/1) ... [2024-11-16 20:03:05,617 INFO L138 Inliner]: procedures = 678, calls = 1543, calls flagged for inlining = 54, calls inlined = 9, statements flattened = 673 [2024-11-16 20:03:05,621 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 20:03:05,622 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 20:03:05,622 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 20:03:05,622 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 20:03:05,644 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:05" (1/1) ... [2024-11-16 20:03:05,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:05" (1/1) ... [2024-11-16 20:03:05,657 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:05" (1/1) ... [2024-11-16 20:03:05,753 INFO L175 MemorySlicer]: Split 335 memory accesses to 6 slices as follows [238, 2, 6, 79, 3, 7]. 71 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [6, 2, 0, 10, 1, 5]. The 252 writes are split as follows [232, 0, 2, 17, 1, 0]. [2024-11-16 20:03:05,757 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:05" (1/1) ... [2024-11-16 20:03:05,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:05" (1/1) ... [2024-11-16 20:03:05,799 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:05" (1/1) ... [2024-11-16 20:03:05,805 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:05" (1/1) ... [2024-11-16 20:03:05,822 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:05" (1/1) ... [2024-11-16 20:03:05,833 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:05" (1/1) ... [2024-11-16 20:03:05,856 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 20:03:05,857 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 20:03:05,857 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 20:03:05,857 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 20:03:05,858 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:05" (1/1) ... [2024-11-16 20:03:05,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:03:05,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:03:05,897 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 20:03:05,901 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 20:03:05,961 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-16 20:03:05,962 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-16 20:03:05,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 20:03:05,963 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-16 20:03:05,963 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-16 20:03:05,963 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-16 20:03:05,963 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-16 20:03:05,964 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 20:03:05,964 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 20:03:05,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 20:03:05,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 20:03:05,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 20:03:05,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 20:03:05,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 20:03:05,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 20:03:05,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 20:03:05,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 20:03:05,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 20:03:05,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 20:03:05,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 20:03:05,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 20:03:05,966 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-16 20:03:05,966 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-16 20:03:05,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 20:03:05,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 20:03:05,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 20:03:05,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 20:03:05,966 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-16 20:03:05,967 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-16 20:03:05,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 20:03:05,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 20:03:05,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 20:03:05,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 20:03:05,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 20:03:05,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 20:03:05,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 20:03:05,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 20:03:05,967 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 20:03:05,967 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 20:03:05,967 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-16 20:03:05,967 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-16 20:03:05,968 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-16 20:03:05,968 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-16 20:03:05,968 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-16 20:03:05,968 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-16 20:03:05,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 20:03:05,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 20:03:05,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 20:03:05,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 20:03:05,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 20:03:05,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 20:03:05,968 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-16 20:03:05,968 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-16 20:03:05,968 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-16 20:03:05,968 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-16 20:03:05,969 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 20:03:05,969 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 20:03:05,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 20:03:05,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 20:03:05,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 20:03:05,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 20:03:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 20:03:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 20:03:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 20:03:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 20:03:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 20:03:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 20:03:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 20:03:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 20:03:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 20:03:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 20:03:05,974 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 20:03:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-16 20:03:05,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-16 20:03:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 20:03:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 20:03:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 20:03:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 20:03:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 20:03:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 20:03:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2024-11-16 20:03:05,976 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2024-11-16 20:03:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-16 20:03:05,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-16 20:03:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 20:03:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 20:03:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 20:03:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 20:03:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 20:03:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 20:03:06,420 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 20:03:06,423 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 20:03:06,467 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2782: havoc #t~malloc77.base, #t~malloc77.offset; [2024-11-16 20:03:06,515 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2024-11-16 20:03:06,547 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2588: havoc #t~ret57#1; [2024-11-16 20:03:06,721 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7494: havoc aws_priority_queue_backpointers_valid_#t~ret686#1;havoc aws_priority_queue_backpointers_valid_#t~short687#1; [2024-11-16 20:03:06,811 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3268: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2024-11-16 20:03:06,815 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 20:03:12,690 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7534: havoc aws_priority_queue_size_#t~ret695#1; [2024-11-16 20:03:12,740 INFO L? ?]: Removed 144 outVars from TransFormulas that were not future-live. [2024-11-16 20:03:12,741 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 20:03:12,764 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 20:03:12,766 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 20:03:12,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:03:12 BoogieIcfgContainer [2024-11-16 20:03:12,767 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 20:03:12,770 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 20:03:12,771 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 20:03:12,774 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 20:03:12,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:03:02" (1/3) ... [2024-11-16 20:03:12,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24423ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:03:12, skipping insertion in model container [2024-11-16 20:03:12,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:05" (2/3) ... [2024-11-16 20:03:12,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24423ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:03:12, skipping insertion in model container [2024-11-16 20:03:12,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:03:12" (3/3) ... [2024-11-16 20:03:12,778 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_size_harness.i [2024-11-16 20:03:12,796 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 20:03:12,797 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 20:03:12,882 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 20:03:12,891 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;@aabee15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 20:03:12,891 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 20:03:12,896 INFO L276 IsEmpty]: Start isEmpty. Operand has 188 states, 122 states have (on average 1.2131147540983607) internal successors, (148), 123 states have internal predecessors, (148), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-16 20:03:12,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-16 20:03:12,910 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:03:12,911 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:03:12,912 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:03:12,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:03:12,918 INFO L85 PathProgramCache]: Analyzing trace with hash -20639529, now seen corresponding path program 1 times [2024-11-16 20:03:12,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:03:12,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907525559] [2024-11-16 20:03:12,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:03:12,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:03:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:19,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:03:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:19,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 20:03:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:19,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:03:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:19,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 20:03:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:19,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 20:03:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:19,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 20:03:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:19,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 20:03:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:19,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 20:03:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:19,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 20:03:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:19,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 20:03:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:19,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:03:19,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:19,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:03:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:19,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 20:03:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:19,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:03:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:19,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:03:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:19,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 20:03:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:19,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 20:03:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:19,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 20:03:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:19,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 20:03:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:19,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 20:03:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:19,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 20:03:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:19,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 20:03:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:19,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 20:03:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:19,946 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-16 20:03:19,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:03:19,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907525559] [2024-11-16 20:03:19,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907525559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:03:19,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:03:19,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 20:03:19,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363201679] [2024-11-16 20:03:19,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:03:19,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 20:03:19,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:03:19,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 20:03:19,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:03:19,987 INFO L87 Difference]: Start difference. First operand has 188 states, 122 states have (on average 1.2131147540983607) internal successors, (148), 123 states have internal predecessors, (148), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 20:03:24,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:03:28,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:03:36,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:03:36,266 INFO L93 Difference]: Finished difference Result 384 states and 529 transitions. [2024-11-16 20:03:36,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 20:03:36,269 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 137 [2024-11-16 20:03:36,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:03:36,278 INFO L225 Difference]: With dead ends: 384 [2024-11-16 20:03:36,278 INFO L226 Difference]: Without dead ends: 214 [2024-11-16 20:03:36,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-16 20:03:36,287 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 349 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 213 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2024-11-16 20:03:36,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 119 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 378 Invalid, 2 Unknown, 0 Unchecked, 14.5s Time] [2024-11-16 20:03:36,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-16 20:03:36,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 182. [2024-11-16 20:03:36,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 117 states have (on average 1.1965811965811965) internal successors, (140), 118 states have internal predecessors, (140), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-16 20:03:36,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 231 transitions. [2024-11-16 20:03:36,361 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 231 transitions. Word has length 137 [2024-11-16 20:03:36,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:03:36,362 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 231 transitions. [2024-11-16 20:03:36,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 20:03:36,363 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 231 transitions. [2024-11-16 20:03:36,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-16 20:03:36,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:03:36,367 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:03:36,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 20:03:36,368 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:03:36,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:03:36,369 INFO L85 PathProgramCache]: Analyzing trace with hash -8267209, now seen corresponding path program 1 times [2024-11-16 20:03:36,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:03:36,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463748209] [2024-11-16 20:03:36,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:03:36,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:03:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:41,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:03:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:41,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 20:03:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:41,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:03:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:41,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 20:03:41,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:41,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 20:03:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:41,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 20:03:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:41,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 20:03:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:42,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 20:03:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:42,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 20:03:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:42,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 20:03:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:42,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:03:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:42,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:03:42,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:42,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 20:03:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:42,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:03:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:42,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:03:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:42,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 20:03:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:43,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 20:03:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:43,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 20:03:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:43,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 20:03:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:43,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 20:03:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:43,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 20:03:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:43,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 20:03:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:43,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 20:03:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:43,717 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-16 20:03:43,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:03:43,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463748209] [2024-11-16 20:03:43,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463748209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:03:43,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:03:43,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 20:03:43,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446113399] [2024-11-16 20:03:43,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:03:43,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 20:03:43,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:03:43,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 20:03:43,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-16 20:03:43,722 INFO L87 Difference]: Start difference. First operand 182 states and 231 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-16 20:03:47,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:03:52,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:04:11,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:04:11,583 INFO L93 Difference]: Finished difference Result 342 states and 444 transitions. [2024-11-16 20:04:11,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 20:04:11,584 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 137 [2024-11-16 20:04:11,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:04:11,589 INFO L225 Difference]: With dead ends: 342 [2024-11-16 20:04:11,589 INFO L226 Difference]: Without dead ends: 214 [2024-11-16 20:04:11,591 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-11-16 20:04:11,631 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 343 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 1055 mSolverCounterSat, 208 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 1265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 1055 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.2s IncrementalHoareTripleChecker+Time [2024-11-16 20:04:11,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 151 Invalid, 1265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 1055 Invalid, 2 Unknown, 0 Unchecked, 24.2s Time] [2024-11-16 20:04:11,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-16 20:04:11,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 182. [2024-11-16 20:04:11,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 117 states have (on average 1.188034188034188) internal successors, (139), 118 states have internal predecessors, (139), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-16 20:04:11,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 230 transitions. [2024-11-16 20:04:11,670 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 230 transitions. Word has length 137 [2024-11-16 20:04:11,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:04:11,672 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 230 transitions. [2024-11-16 20:04:11,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-16 20:04:11,673 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 230 transitions. [2024-11-16 20:04:11,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-16 20:04:11,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:04:11,675 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:04:11,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 20:04:11,676 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:04:11,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:04:11,678 INFO L85 PathProgramCache]: Analyzing trace with hash -629415617, now seen corresponding path program 1 times [2024-11-16 20:04:11,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:04:11,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436764437] [2024-11-16 20:04:11,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:04:11,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:04:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:17,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:04:17,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:17,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 20:04:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:17,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:04:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:17,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 20:04:17,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:17,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 20:04:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:17,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 20:04:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:17,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 20:04:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:17,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 20:04:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:17,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 20:04:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:17,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 20:04:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:17,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:04:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:17,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:04:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:17,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 20:04:17,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:17,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:04:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:17,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:04:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:18,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 20:04:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:18,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:04:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:19,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 20:04:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:19,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 20:04:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:19,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 20:04:19,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:19,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 20:04:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:19,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 20:04:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:19,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 20:04:19,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:19,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 20:04:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:19,824 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-11-16 20:04:19,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:04:19,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436764437] [2024-11-16 20:04:19,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436764437] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 20:04:19,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536329669] [2024-11-16 20:04:19,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:04:19,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 20:04:19,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:04:19,829 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) [2024-11-16 20:04:19,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 20:04:25,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:25,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 4570 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-16 20:04:25,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 20:04:27,923 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-16 20:04:27,924 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 20:04:27,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [536329669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:04:27,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 20:04:27,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2024-11-16 20:04:27,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291942220] [2024-11-16 20:04:27,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:04:27,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 20:04:27,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:04:27,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 20:04:27,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2024-11-16 20:04:27,937 INFO L87 Difference]: Start difference. First operand 182 states and 230 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22)