./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 188eb157187c65ed20c0598818206541e0c8a29005d59be8891bc5ebe4132fce --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 10:11:52,360 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 10:11:52,411 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 10:11:52,415 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 10:11:52,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 10:11:52,436 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 10:11:52,438 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 10:11:52,438 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 10:11:52,439 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 10:11:52,439 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 10:11:52,439 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 10:11:52,440 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 10:11:52,440 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 10:11:52,441 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 10:11:52,441 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 10:11:52,441 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 10:11:52,442 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 10:11:52,442 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 10:11:52,443 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 10:11:52,443 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 10:11:52,443 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 10:11:52,447 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 10:11:52,447 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 10:11:52,447 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 10:11:52,447 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 10:11:52,448 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 10:11:52,448 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 10:11:52,448 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 10:11:52,448 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 10:11:52,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:11:52,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 10:11:52,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 10:11:52,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 10:11:52,449 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 10:11:52,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 10:11:52,450 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 10:11:52,455 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 10:11:52,455 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 10:11:52,455 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 10:11:52,455 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 188eb157187c65ed20c0598818206541e0c8a29005d59be8891bc5ebe4132fce [2024-11-20 10:11:52,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 10:11:52,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 10:11:52,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 10:11:52,826 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 10:11:52,827 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 10:11:52,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness_negated.i [2024-11-20 10:11:54,282 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 10:11:54,764 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 10:11:54,766 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness_negated.i [2024-11-20 10:11:54,809 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e9e08ef9/fdc941a14ee14c259bdc043f7e04480b/FLAG929bfb4c6 [2024-11-20 10:11:54,882 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e9e08ef9/fdc941a14ee14c259bdc043f7e04480b [2024-11-20 10:11:54,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 10:11:54,887 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 10:11:54,889 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 10:11:54,889 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 10:11:54,894 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 10:11:54,895 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:11:54" (1/1) ... [2024-11-20 10:11:54,896 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5009adb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:54, skipping insertion in model container [2024-11-20 10:11:54,896 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:11:54" (1/1) ... [2024-11-20 10:11:55,002 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 10:11:55,346 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness_negated.i[4504,4517] [2024-11-20 10:11:55,357 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness_negated.i[4564,4577] [2024-11-20 10:11:56,383 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:56,384 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:56,384 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:56,385 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:56,386 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:56,403 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:56,404 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:56,406 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:56,407 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,077 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,078 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:11:57,196 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 10:11:57,216 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness_negated.i[4504,4517] [2024-11-20 10:11:57,217 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness_negated.i[4564,4577] [2024-11-20 10:11:57,278 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,279 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,280 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,280 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,281 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,289 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,290 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,292 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,293 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,444 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,447 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7671-7682] [2024-11-20 10:11:57,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:11:57,714 INFO L204 MainTranslator]: Completed translation [2024-11-20 10:11:57,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:57 WrapperNode [2024-11-20 10:11:57,715 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 10:11:57,716 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 10:11:57,716 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 10:11:57,716 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 10:11:57,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:57" (1/1) ... [2024-11-20 10:11:57,833 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:57" (1/1) ... [2024-11-20 10:11:57,914 INFO L138 Inliner]: procedures = 678, calls = 1525, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 684 [2024-11-20 10:11:57,918 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 10:11:57,919 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 10:11:57,919 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 10:11:57,920 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 10:11:57,935 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:57" (1/1) ... [2024-11-20 10:11:57,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:57" (1/1) ... [2024-11-20 10:11:57,951 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:57" (1/1) ... [2024-11-20 10:11:58,037 INFO L175 MemorySlicer]: Split 296 memory accesses to 5 slices as follows [2, 238, 49, 2, 5]. 80 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 6, 2, 0, 5]. The 252 writes are split as follows [0, 232, 20, 0, 0]. [2024-11-20 10:11:58,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:57" (1/1) ... [2024-11-20 10:11:58,041 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:57" (1/1) ... [2024-11-20 10:11:58,099 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:57" (1/1) ... [2024-11-20 10:11:58,103 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:57" (1/1) ... [2024-11-20 10:11:58,110 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:57" (1/1) ... [2024-11-20 10:11:58,115 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:57" (1/1) ... [2024-11-20 10:11:58,134 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 10:11:58,135 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 10:11:58,135 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 10:11:58,135 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 10:11:58,136 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:57" (1/1) ... [2024-11-20 10:11:58,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:11:58,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:11:58,201 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) [2024-11-20 10:11:58,221 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 [2024-11-20 10:11:58,335 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-20 10:11:58,339 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-20 10:11:58,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 10:11:58,340 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-20 10:11:58,340 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-20 10:11:58,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 10:11:58,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 10:11:58,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 10:11:58,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 10:11:58,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 10:11:58,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 10:11:58,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 10:11:58,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 10:11:58,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 10:11:58,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 10:11:58,341 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-20 10:11:58,341 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-20 10:11:58,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 10:11:58,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 10:11:58,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 10:11:58,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 10:11:58,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 10:11:58,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 10:11:58,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 10:11:58,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 10:11:58,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 10:11:58,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 10:11:58,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 10:11:58,342 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 10:11:58,342 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 10:11:58,342 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-20 10:11:58,342 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-20 10:11:58,343 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-20 10:11:58,343 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-20 10:11:58,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 10:11:58,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 10:11:58,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 10:11:58,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 10:11:58,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 10:11:58,349 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-20 10:11:58,349 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-20 10:11:58,349 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 10:11:58,349 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 10:11:58,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 10:11:58,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 10:11:58,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 10:11:58,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 10:11:58,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 10:11:58,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 10:11:58,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 10:11:58,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 10:11:58,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 10:11:58,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 10:11:58,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 10:11:58,350 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-20 10:11:58,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-20 10:11:58,350 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-20 10:11:58,351 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-20 10:11:58,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 10:11:58,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 10:11:58,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 10:11:58,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 10:11:58,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 10:11:58,351 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-20 10:11:58,351 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-20 10:11:58,351 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-20 10:11:58,352 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-20 10:11:58,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 10:11:58,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 10:11:58,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 10:11:58,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 10:11:58,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 10:11:58,714 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 10:11:58,717 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 10:12:05,323 INFO L? ?]: Removed 135 outVars from TransFormulas that were not future-live. [2024-11-20 10:12:05,324 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 10:12:05,340 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 10:12:05,340 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-20 10:12:05,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:12:05 BoogieIcfgContainer [2024-11-20 10:12:05,341 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 10:12:05,343 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 10:12:05,343 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 10:12:05,347 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 10:12:05,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:11:54" (1/3) ... [2024-11-20 10:12:05,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@472feb2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:12:05, skipping insertion in model container [2024-11-20 10:12:05,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:57" (2/3) ... [2024-11-20 10:12:05,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@472feb2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:12:05, skipping insertion in model container [2024-11-20 10:12:05,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:12:05" (3/3) ... [2024-11-20 10:12:05,350 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_static_harness_negated.i [2024-11-20 10:12:05,367 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 10:12:05,367 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 10:12:05,472 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 10:12:05,481 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;@664ea928, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 10:12:05,482 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 10:12:05,488 INFO L276 IsEmpty]: Start isEmpty. Operand has 169 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 107 states have internal predecessors, (130), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-20 10:12:05,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-20 10:12:05,521 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:12:05,527 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 10:12:05,528 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:12:05,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:12:05,546 INFO L85 PathProgramCache]: Analyzing trace with hash 401780967, now seen corresponding path program 1 times [2024-11-20 10:12:05,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:12:05,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576147040] [2024-11-20 10:12:05,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:12:05,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:12:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:11,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:12:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:11,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 10:12:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:11,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 10:12:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:11,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 10:12:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:11,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 10:12:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:11,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 10:12:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:11,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 10:12:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:11,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 10:12:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:11,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-20 10:12:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:11,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 10:12:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:12,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-20 10:12:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:12,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 10:12:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:12,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:12:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:12,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 10:12:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:12,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 10:12:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:12,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:12:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:12,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 10:12:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:12,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 10:12:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:12,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 10:12:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:12,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 10:12:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:12,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-20 10:12:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:12,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 10:12:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:12,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-20 10:12:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:12,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 10:12:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:12,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 10:12:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:12,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:12:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:12,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-20 10:12:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:12,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-20 10:12:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:12,713 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2024-11-20 10:12:12,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:12:12,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576147040] [2024-11-20 10:12:12,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576147040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:12:12,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:12:12,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 10:12:12,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766266636] [2024-11-20 10:12:12,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:12:12,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 10:12:12,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:12:12,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 10:12:12,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 10:12:12,756 INFO L87 Difference]: Start difference. First operand has 169 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 107 states have internal predecessors, (130), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-20 10:12:16,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:12:21,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:12:25,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:12:29,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:12:29,945 INFO L93 Difference]: Finished difference Result 343 states and 493 transitions. [2024-11-20 10:12:29,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 10:12:29,948 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 155 [2024-11-20 10:12:29,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:12:29,959 INFO L225 Difference]: With dead ends: 343 [2024-11-20 10:12:29,959 INFO L226 Difference]: Without dead ends: 192 [2024-11-20 10:12:29,964 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 10:12:29,968 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 145 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 112 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2024-11-20 10:12:29,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 265 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 208 Invalid, 3 Unknown, 0 Unchecked, 17.0s Time] [2024-11-20 10:12:29,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-11-20 10:12:30,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 163. [2024-11-20 10:12:30,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 101 states have (on average 1.1683168316831682) internal successors, (118), 102 states have internal predecessors, (118), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-20 10:12:30,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 213 transitions. [2024-11-20 10:12:30,033 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 213 transitions. Word has length 155 [2024-11-20 10:12:30,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:12:30,037 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 213 transitions. [2024-11-20 10:12:30,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-20 10:12:30,037 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 213 transitions. [2024-11-20 10:12:30,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-20 10:12:30,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:12:30,043 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 10:12:30,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 10:12:30,044 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:12:30,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:12:30,045 INFO L85 PathProgramCache]: Analyzing trace with hash 782876487, now seen corresponding path program 1 times [2024-11-20 10:12:30,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:12:30,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083933181] [2024-11-20 10:12:30,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:12:30,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:12:34,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:36,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:12:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:36,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 10:12:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:36,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 10:12:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:36,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 10:12:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:36,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 10:12:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:36,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 10:12:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:36,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 10:12:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:36,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 10:12:36,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:36,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-20 10:12:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:36,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 10:12:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:37,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-20 10:12:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:37,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 10:12:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:37,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:12:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:37,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 10:12:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:37,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 10:12:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:37,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:12:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:37,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 10:12:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:37,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 10:12:37,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:37,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 10:12:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:37,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 10:12:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:38,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 10:12:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:38,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:12:38,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:38,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:12:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:38,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 10:12:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:38,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-20 10:12:38,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:38,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-20 10:12:38,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:38,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-20 10:12:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:38,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-20 10:12:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:38,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:12:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:38,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-20 10:12:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:38,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-20 10:12:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:39,610 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2024-11-20 10:12:39,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:12:39,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083933181] [2024-11-20 10:12:39,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083933181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:12:39,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:12:39,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 10:12:39,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788427701] [2024-11-20 10:12:39,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:12:39,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 10:12:39,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:12:39,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 10:12:39,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-20 10:12:39,616 INFO L87 Difference]: Start difference. First operand 163 states and 213 transitions. Second operand has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-20 10:12:43,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:12:48,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:13:07,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:13:07,339 INFO L93 Difference]: Finished difference Result 317 states and 422 transitions. [2024-11-20 10:13:07,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 10:13:07,340 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) Word has length 172 [2024-11-20 10:13:07,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:13:07,344 INFO L225 Difference]: With dead ends: 317 [2024-11-20 10:13:07,344 INFO L226 Difference]: Without dead ends: 223 [2024-11-20 10:13:07,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2024-11-20 10:13:07,347 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 162 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 981 mSolverCounterSat, 94 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 1077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 981 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.5s IncrementalHoareTripleChecker+Time [2024-11-20 10:13:07,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 733 Invalid, 1077 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 981 Invalid, 2 Unknown, 0 Unchecked, 25.5s Time] [2024-11-20 10:13:07,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-20 10:13:07,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 165. [2024-11-20 10:13:07,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 102 states have (on average 1.1666666666666667) internal successors, (119), 104 states have internal predecessors, (119), 48 states have call successors, (48), 13 states have call predecessors, (48), 14 states have return successors, (49), 47 states have call predecessors, (49), 47 states have call successors, (49) [2024-11-20 10:13:07,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 216 transitions. [2024-11-20 10:13:07,371 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 216 transitions. Word has length 172 [2024-11-20 10:13:07,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:13:07,372 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 216 transitions. [2024-11-20 10:13:07,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-20 10:13:07,375 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 216 transitions. [2024-11-20 10:13:07,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-20 10:13:07,378 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:13:07,378 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 10:13:07,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 10:13:07,379 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:13:07,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:13:07,379 INFO L85 PathProgramCache]: Analyzing trace with hash -923114483, now seen corresponding path program 1 times [2024-11-20 10:13:07,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:13:07,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860174192] [2024-11-20 10:13:07,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:13:07,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:13:11,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:12,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:13:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:12,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 10:13:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:12,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 10:13:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:12,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 10:13:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:12,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 10:13:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:12,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 10:13:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:12,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 10:13:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:12,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 10:13:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:12,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-20 10:13:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:12,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 10:13:12,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:12,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-20 10:13:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:13,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 10:13:13,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:13,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:13:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:13,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 10:13:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:13,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 10:13:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:13,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:13:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:13,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 10:13:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:13,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 10:13:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:13,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 10:13:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:13,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 10:13:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:13,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 10:13:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:14,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:13:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:15,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:13:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:15,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 10:13:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:15,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-20 10:13:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:15,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-20 10:13:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:15,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-20 10:13:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:15,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-20 10:13:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:15,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:13:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:15,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-20 10:13:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:15,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-20 10:13:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:15,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:13:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:15,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:13:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:15,678 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2024-11-20 10:13:15,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:13:15,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860174192] [2024-11-20 10:13:15,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860174192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:13:15,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:13:15,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 10:13:15,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293148809] [2024-11-20 10:13:15,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:13:15,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 10:13:15,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:13:15,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 10:13:15,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-20 10:13:15,683 INFO L87 Difference]: Start difference. First operand 165 states and 216 transitions. Second operand has 10 states, 9 states have (on average 5.888888888888889) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-20 10:13:19,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []