./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_clean_up_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f 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_clean_up_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d03ab2f374c74d452a3d10e43faf5dd107aad5d480e09c302467ee543678a603 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 08:55:34,412 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 08:55:34,461 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 08:55:34,464 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 08:55:34,467 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 08:55:34,491 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 08:55:34,492 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 08:55:34,492 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 08:55:34,493 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 08:55:34,494 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 08:55:34,494 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 08:55:34,495 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 08:55:34,495 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 08:55:34,497 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 08:55:34,497 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 08:55:34,498 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 08:55:34,498 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 08:55:34,498 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 08:55:34,498 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 08:55:34,499 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 08:55:34,499 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 08:55:34,501 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 08:55:34,502 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 08:55:34,502 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 08:55:34,502 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 08:55:34,502 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 08:55:34,502 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 08:55:34,503 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 08:55:34,503 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 08:55:34,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:55:34,503 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 08:55:34,503 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 08:55:34,504 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 08:55:34,504 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 08:55:34,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 08:55:34,504 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 08:55:34,504 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 08:55:34,504 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 08:55:34,504 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 08:55:34,504 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d03ab2f374c74d452a3d10e43faf5dd107aad5d480e09c302467ee543678a603 [2024-11-12 08:55:34,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 08:55:34,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 08:55:34,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 08:55:34,800 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 08:55:34,800 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 08:55:34,801 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_clean_up_harness.i [2024-11-12 08:55:36,060 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 08:55:36,420 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 08:55:36,421 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_clean_up_harness.i [2024-11-12 08:55:36,453 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/205032413/d3c6a8a8614f4d2ca7051d9c8839e00d/FLAGaafa00b8f [2024-11-12 08:55:36,465 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/205032413/d3c6a8a8614f4d2ca7051d9c8839e00d [2024-11-12 08:55:36,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 08:55:36,470 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 08:55:36,471 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 08:55:36,471 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 08:55:36,475 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 08:55:36,475 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:55:36" (1/1) ... [2024-11-12 08:55:36,477 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6809d75b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:36, skipping insertion in model container [2024-11-12 08:55:36,477 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:55:36" (1/1) ... [2024-11-12 08:55:36,543 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 08:55:36,770 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_clean_up_harness.i[4501,4514] [2024-11-12 08:55:36,777 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_clean_up_harness.i[4561,4574] [2024-11-12 08:55:37,650 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:37,652 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:37,653 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:37,654 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:37,655 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:37,668 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:37,671 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:37,673 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:37,674 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:38,073 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:38,073 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:38,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:55:38,149 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 08:55:38,161 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_clean_up_harness.i[4501,4514] [2024-11-12 08:55:38,161 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_clean_up_harness.i[4561,4574] [2024-11-12 08:55:38,256 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:38,257 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:38,257 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:38,258 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:38,258 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:38,264 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:38,265 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:38,266 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:38,266 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:38,372 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:38,377 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:38,386 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2024-11-12 08:55:38,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:55:38,570 INFO L204 MainTranslator]: Completed translation [2024-11-12 08:55:38,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:38 WrapperNode [2024-11-12 08:55:38,571 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 08:55:38,571 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 08:55:38,572 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 08:55:38,572 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 08:55:38,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:38" (1/1) ... [2024-11-12 08:55:38,620 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:38" (1/1) ... [2024-11-12 08:55:38,672 INFO L138 Inliner]: procedures = 678, calls = 1509, calls flagged for inlining = 54, calls inlined = 9, statements flattened = 621 [2024-11-12 08:55:38,673 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 08:55:38,673 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 08:55:38,673 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 08:55:38,674 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 08:55:38,682 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:38" (1/1) ... [2024-11-12 08:55:38,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:38" (1/1) ... [2024-11-12 08:55:38,693 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:38" (1/1) ... [2024-11-12 08:55:38,766 INFO L175 MemorySlicer]: Split 296 memory accesses to 5 slices as follows [2, 238, 3, 47, 6]. 80 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 6, 1, 0, 5]. The 251 writes are split as follows [0, 232, 1, 18, 0]. [2024-11-12 08:55:38,767 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:38" (1/1) ... [2024-11-12 08:55:38,768 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:38" (1/1) ... [2024-11-12 08:55:38,803 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:38" (1/1) ... [2024-11-12 08:55:38,809 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:38" (1/1) ... [2024-11-12 08:55:38,820 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:38" (1/1) ... [2024-11-12 08:55:38,824 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:38" (1/1) ... [2024-11-12 08:55:38,832 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 08:55:38,834 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 08:55:38,836 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 08:55:38,836 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 08:55:38,837 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:38" (1/1) ... [2024-11-12 08:55:38,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:55:38,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:55:38,903 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) [2024-11-12 08:55:38,912 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 [2024-11-12 08:55:38,986 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-12 08:55:38,990 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-12 08:55:38,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 08:55:38,990 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-12 08:55:38,990 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-12 08:55:38,990 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-12 08:55:38,991 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-12 08:55:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-12 08:55:38,991 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-12 08:55:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 08:55:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 08:55:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 08:55:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 08:55:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 08:55:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 08:55:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 08:55:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 08:55:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 08:55:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 08:55:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-12 08:55:38,991 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-12 08:55:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 08:55:38,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 08:55:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 08:55:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 08:55:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 08:55:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 08:55:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 08:55:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 08:55:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 08:55:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 08:55:38,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 08:55:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_clean_up [2024-11-12 08:55:38,992 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_clean_up [2024-11-12 08:55:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-12 08:55:38,992 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-12 08:55:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-12 08:55:38,993 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-12 08:55:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-12 08:55:38,993 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-12 08:55:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 08:55:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 08:55:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 08:55:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 08:55:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 08:55:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-12 08:55:38,993 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-12 08:55:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-12 08:55:38,993 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-12 08:55:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 08:55:38,993 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 08:55:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 08:55:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 08:55:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 08:55:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 08:55:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 08:55:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 08:55:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 08:55:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 08:55:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 08:55:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 08:55:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 08:55:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-12 08:55:38,994 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-12 08:55:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-12 08:55:38,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-12 08:55:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 08:55:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 08:55:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 08:55:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 08:55:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 08:55:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-12 08:55:38,995 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-12 08:55:38,997 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-12 08:55:38,997 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-12 08:55:38,997 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-12 08:55:38,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-12 08:55:38,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 08:55:38,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 08:55:38,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 08:55:38,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 08:55:38,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 08:55:39,238 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 08:55:39,240 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 08:55:45,054 INFO L? ?]: Removed 132 outVars from TransFormulas that were not future-live. [2024-11-12 08:55:45,054 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 08:55:45,104 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 08:55:45,104 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-12 08:55:45,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:55:45 BoogieIcfgContainer [2024-11-12 08:55:45,104 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 08:55:45,109 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 08:55:45,110 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 08:55:45,119 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 08:55:45,119 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:55:36" (1/3) ... [2024-11-12 08:55:45,120 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da5ac7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:55:45, skipping insertion in model container [2024-11-12 08:55:45,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:38" (2/3) ... [2024-11-12 08:55:45,120 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da5ac7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:55:45, skipping insertion in model container [2024-11-12 08:55:45,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:55:45" (3/3) ... [2024-11-12 08:55:45,121 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_clean_up_harness.i [2024-11-12 08:55:45,143 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 08:55:45,143 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 08:55:45,211 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 08:55:45,217 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;@7d4d0e1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 08:55:45,218 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 08:55:45,222 INFO L276 IsEmpty]: Start isEmpty. Operand has 181 states, 121 states have (on average 1.2479338842975207) internal successors, (151), 122 states have internal predecessors, (151), 41 states have call successors, (41), 18 states have call predecessors, (41), 18 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-12 08:55:45,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-12 08:55:45,236 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:55:45,237 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 3, 3, 3, 3, 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] [2024-11-12 08:55:45,238 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:55:45,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:55:45,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1166305317, now seen corresponding path program 1 times [2024-11-12 08:55:45,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:55:45,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523018118] [2024-11-12 08:55:45,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:55:45,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:55:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:55:50,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:55:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:55:50,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 08:55:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:55:50,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:55:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:55:50,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 08:55:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:55:50,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 08:55:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:55:50,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 08:55:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:55:50,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 08:55:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:55:50,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 08:55:50,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:55:50,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 08:55:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:55:50,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 08:55:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:55:50,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:55:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:55:50,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:55:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:55:50,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 08:55:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:55:50,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:55:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:55:50,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:55:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:55:51,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 08:55:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:55:51,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 08:55:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:55:51,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 08:55:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:55:51,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:55:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:55:51,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:55:51,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:55:51,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-12 08:55:51,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:55:51,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 08:55:51,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:55:51,491 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-12 08:55:51,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:55:51,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523018118] [2024-11-12 08:55:51,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523018118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:55:51,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:55:51,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 08:55:51,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569303375] [2024-11-12 08:55:51,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:55:51,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 08:55:51,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:55:51,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 08:55:51,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 08:55:51,525 INFO L87 Difference]: Start difference. First operand has 181 states, 121 states have (on average 1.2479338842975207) internal successors, (151), 122 states have internal predecessors, (151), 41 states have call successors, (41), 18 states have call predecessors, (41), 18 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-12 08:55:55,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 08:55:59,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 08:56:04,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 08:56:11,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 08:56:11,890 INFO L93 Difference]: Finished difference Result 385 states and 536 transitions. [2024-11-12 08:56:11,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 08:56:11,892 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 135 [2024-11-12 08:56:11,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 08:56:11,906 INFO L225 Difference]: With dead ends: 385 [2024-11-12 08:56:11,906 INFO L226 Difference]: Without dead ends: 225 [2024-11-12 08:56:11,910 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-12 08:56:11,913 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 205 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 125 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.7s IncrementalHoareTripleChecker+Time [2024-11-12 08:56:11,914 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 207 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 413 Invalid, 3 Unknown, 0 Unchecked, 19.7s Time] [2024-11-12 08:56:11,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-12 08:56:11,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 176. [2024-11-12 08:56:11,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 116 states have (on average 1.2155172413793103) internal successors, (141), 118 states have internal predecessors, (141), 41 states have call successors, (41), 18 states have call predecessors, (41), 18 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-12 08:56:11,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 222 transitions. [2024-11-12 08:56:11,976 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 222 transitions. Word has length 135 [2024-11-12 08:56:11,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 08:56:11,977 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 222 transitions. [2024-11-12 08:56:11,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-12 08:56:11,977 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 222 transitions. [2024-11-12 08:56:11,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-12 08:56:11,986 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:56:11,986 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:56:11,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 08:56:11,987 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:56:11,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:56:11,987 INFO L85 PathProgramCache]: Analyzing trace with hash 703796999, now seen corresponding path program 1 times [2024-11-12 08:56:11,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:56:11,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218316117] [2024-11-12 08:56:11,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:56:11,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:56:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:17,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:56:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:17,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 08:56:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:17,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:56:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:17,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 08:56:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:17,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 08:56:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:17,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 08:56:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:17,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 08:56:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:17,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 08:56:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:17,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 08:56:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:17,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 08:56:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:17,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:56:17,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:17,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:56:17,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:17,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 08:56:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:17,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:56:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:17,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:56:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:18,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 08:56:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:18,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 08:56:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:19,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 08:56:19,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:19,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:56:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:19,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:56:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:19,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 08:56:19,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:19,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:56:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:19,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:56:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:19,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 08:56:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:19,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 08:56:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:19,493 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-11-12 08:56:19,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:56:19,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218316117] [2024-11-12 08:56:19,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218316117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:56:19,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:56:19,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 08:56:19,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126451218] [2024-11-12 08:56:19,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:56:19,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 08:56:19,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:56:19,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 08:56:19,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-12 08:56:19,504 INFO L87 Difference]: Start difference. First operand 176 states and 222 transitions. Second operand has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-12 08:56:23,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 08:56:28,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 08:56:46,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 08:56:46,323 INFO L93 Difference]: Finished difference Result 326 states and 417 transitions. [2024-11-12 08:56:46,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 08:56:46,324 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 152 [2024-11-12 08:56:46,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 08:56:46,328 INFO L225 Difference]: With dead ends: 326 [2024-11-12 08:56:46,328 INFO L226 Difference]: Without dead ends: 229 [2024-11-12 08:56:46,329 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-12 08:56:46,330 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 361 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 911 mSolverCounterSat, 195 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 1108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 911 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.6s IncrementalHoareTripleChecker+Time [2024-11-12 08:56:46,330 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 198 Invalid, 1108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 911 Invalid, 2 Unknown, 0 Unchecked, 24.6s Time] [2024-11-12 08:56:46,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-11-12 08:56:46,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 176. [2024-11-12 08:56:46,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 116 states have (on average 1.206896551724138) internal successors, (140), 118 states have internal predecessors, (140), 41 states have call successors, (41), 18 states have call predecessors, (41), 18 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-12 08:56:46,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 221 transitions. [2024-11-12 08:56:46,349 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 221 transitions. Word has length 152 [2024-11-12 08:56:46,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 08:56:46,350 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 221 transitions. [2024-11-12 08:56:46,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-12 08:56:46,350 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 221 transitions. [2024-11-12 08:56:46,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-12 08:56:46,352 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:56:46,353 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:56:46,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 08:56:46,353 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:56:46,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:56:46,353 INFO L85 PathProgramCache]: Analyzing trace with hash -782347531, now seen corresponding path program 1 times [2024-11-12 08:56:46,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:56:46,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158473441] [2024-11-12 08:56:46,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:56:46,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:56:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:52,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:56:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:52,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 08:56:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:52,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:56:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:52,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 08:56:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:52,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 08:56:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:52,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 08:56:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:52,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 08:56:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:52,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 08:56:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:52,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 08:56:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:52,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 08:56:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:52,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:56:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:52,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:56:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:52,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 08:56:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:52,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:56:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:52,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:56:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:53,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 08:56:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:53,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:56:53,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:54,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 08:56:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:55,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 08:56:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:55,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:56:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:55,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:56:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:55,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 08:56:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:55,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:56:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:55,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:56:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:55,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 08:56:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:55,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 08:56:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:55,552 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-11-12 08:56:55,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:56:55,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158473441] [2024-11-12 08:56:55,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158473441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:56:55,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:56:55,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 08:56:55,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131796108] [2024-11-12 08:56:55,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:56:55,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 08:56:55,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:56:55,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 08:56:55,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-12 08:56:55,557 INFO L87 Difference]: Start difference. First operand 176 states and 221 transitions. Second operand has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-12 08:56:59,628 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 []