./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_clean_up_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_clean_up_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 c76aa584f17d1e33f139a1a167c9edf580611a597c58d41f9a3cf9cc11662c3e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 20:00:02,759 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 20:00:02,826 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 20:00:02,831 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 20:00:02,831 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 20:00:02,864 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 20:00:02,865 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 20:00:02,866 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 20:00:02,867 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 20:00:02,868 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 20:00:02,868 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 20:00:02,868 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 20:00:02,869 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 20:00:02,871 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 20:00:02,871 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 20:00:02,872 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 20:00:02,872 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 20:00:02,872 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 20:00:02,873 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 20:00:02,873 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 20:00:02,873 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 20:00:02,878 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 20:00:02,878 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 20:00:02,878 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 20:00:02,878 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 20:00:02,879 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 20:00:02,879 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 20:00:02,879 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 20:00:02,879 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 20:00:02,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:00:02,880 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 20:00:02,880 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 20:00:02,881 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 20:00:02,881 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 20:00:02,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 20:00:02,882 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 20:00:02,882 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 20:00:02,882 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 20:00:02,882 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 20:00:02,882 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c76aa584f17d1e33f139a1a167c9edf580611a597c58d41f9a3cf9cc11662c3e [2024-11-16 20:00:03,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 20:00:03,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 20:00:03,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 20:00:03,201 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 20:00:03,202 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 20:00:03,203 INFO L431 ainManager$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_negated.i [2024-11-16 20:00:04,737 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 20:00:05,181 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 20:00:05,182 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_clean_up_harness_negated.i [2024-11-16 20:00:05,214 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87390911f/d4bb452a43694ca2abbf2b20fb4ffbb2/FLAG999f85095 [2024-11-16 20:00:05,298 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87390911f/d4bb452a43694ca2abbf2b20fb4ffbb2 [2024-11-16 20:00:05,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 20:00:05,304 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 20:00:05,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 20:00:05,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 20:00:05,315 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 20:00:05,315 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:00:05" (1/1) ... [2024-11-16 20:00:05,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7419757b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:05, skipping insertion in model container [2024-11-16 20:00:05,316 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:00:05" (1/1) ... [2024-11-16 20:00:05,425 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 20:00:05,731 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_negated.i[4501,4514] [2024-11-16 20:00:05,742 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_negated.i[4561,4574] [2024-11-16 20:00:07,152 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:07,153 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:07,153 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:07,154 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:07,155 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:07,176 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:07,177 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:07,180 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:07,182 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:08,073 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:08,075 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:08,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:00:08,188 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 20:00:08,209 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_negated.i[4501,4514] [2024-11-16 20:00:08,209 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_negated.i[4561,4574] [2024-11-16 20:00:08,273 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:08,274 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:08,274 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:08,274 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:08,275 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:08,281 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:08,282 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:08,283 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:08,283 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:08,426 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:08,426 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:08,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7671-7682] [2024-11-16 20:00:08,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:00:08,667 INFO L204 MainTranslator]: Completed translation [2024-11-16 20:00:08,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:08 WrapperNode [2024-11-16 20:00:08,668 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 20:00:08,669 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 20:00:08,669 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 20:00:08,669 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 20:00:08,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:08" (1/1) ... [2024-11-16 20:00:08,762 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:08" (1/1) ... [2024-11-16 20:00:08,837 INFO L138 Inliner]: procedures = 678, calls = 1509, calls flagged for inlining = 54, calls inlined = 9, statements flattened = 621 [2024-11-16 20:00:08,840 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 20:00:08,841 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 20:00:08,841 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 20:00:08,841 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 20:00:08,856 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:08" (1/1) ... [2024-11-16 20:00:08,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:08" (1/1) ... [2024-11-16 20:00:08,872 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:08" (1/1) ... [2024-11-16 20:00:08,950 INFO L175 MemorySlicer]: Split 296 memory accesses to 5 slices as follows [2, 238, 47, 3, 6]. 80 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 6, 0, 1, 5]. The 251 writes are split as follows [0, 232, 18, 1, 0]. [2024-11-16 20:00:08,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:08" (1/1) ... [2024-11-16 20:00:08,951 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:08" (1/1) ... [2024-11-16 20:00:08,989 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:08" (1/1) ... [2024-11-16 20:00:08,991 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:08" (1/1) ... [2024-11-16 20:00:08,997 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:08" (1/1) ... [2024-11-16 20:00:09,002 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:08" (1/1) ... [2024-11-16 20:00:09,019 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 20:00:09,020 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 20:00:09,020 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 20:00:09,021 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 20:00:09,024 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:08" (1/1) ... [2024-11-16 20:00:09,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:00:09,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:00:09,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 20:00:09,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 20:00:09,117 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-16 20:00:09,117 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-16 20:00:09,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 20:00:09,119 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-16 20:00:09,119 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-16 20:00:09,120 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-16 20:00:09,120 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-16 20:00:09,120 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 20:00:09,120 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 20:00:09,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 20:00:09,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 20:00:09,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 20:00:09,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 20:00:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 20:00:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 20:00:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 20:00:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 20:00:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 20:00:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 20:00:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-16 20:00:09,122 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-16 20:00:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 20:00:09,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 20:00:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 20:00:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 20:00:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 20:00:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 20:00:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 20:00:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 20:00:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 20:00:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 20:00:09,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 20:00:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_clean_up [2024-11-16 20:00:09,123 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_clean_up [2024-11-16 20:00:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 20:00:09,123 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 20:00:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-16 20:00:09,124 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-16 20:00:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-16 20:00:09,124 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-16 20:00:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 20:00:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 20:00:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 20:00:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 20:00:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 20:00:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-16 20:00:09,124 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-16 20:00:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-16 20:00:09,124 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-16 20:00:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 20:00:09,125 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 20:00:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 20:00:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 20:00:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 20:00:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 20:00:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 20:00:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 20:00:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 20:00:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 20:00:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 20:00:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 20:00:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 20:00:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 20:00:09,125 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 20:00:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-16 20:00:09,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-16 20:00:09,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 20:00:09,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 20:00:09,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 20:00:09,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 20:00:09,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 20:00:09,128 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-16 20:00:09,128 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-16 20:00:09,128 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-16 20:00:09,129 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-16 20:00:09,129 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-16 20:00:09,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-16 20:00:09,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 20:00:09,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 20:00:09,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 20:00:09,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 20:00:09,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 20:00:09,473 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 20:00:09,476 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 20:00:09,526 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2782: havoc #t~malloc77.base, #t~malloc77.offset; [2024-11-16 20:00:09,529 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2024-11-16 20:00:09,560 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2588: havoc #t~ret57#1; [2024-11-16 20:00:09,583 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7309: havoc #t~ret656.base, #t~ret656.offset; [2024-11-16 20:00:09,673 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7462: havoc aws_priority_queue_backpointers_valid_#t~ret686#1;havoc aws_priority_queue_backpointers_valid_#t~short687#1; [2024-11-16 20:00:09,762 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3268: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2024-11-16 20:00:09,766 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 20:00:16,034 INFO L? ?]: Removed 132 outVars from TransFormulas that were not future-live. [2024-11-16 20:00:16,035 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 20:00:16,056 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 20:00:16,057 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 20:00:16,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:00:16 BoogieIcfgContainer [2024-11-16 20:00:16,058 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 20:00:16,061 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 20:00:16,061 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 20:00:16,065 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 20:00:16,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:00:05" (1/3) ... [2024-11-16 20:00:16,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b89b941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:00:16, skipping insertion in model container [2024-11-16 20:00:16,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:08" (2/3) ... [2024-11-16 20:00:16,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b89b941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:00:16, skipping insertion in model container [2024-11-16 20:00:16,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:00:16" (3/3) ... [2024-11-16 20:00:16,070 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_clean_up_harness_negated.i [2024-11-16 20:00:16,088 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 20:00:16,088 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 20:00:16,158 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 20:00:16,164 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;@555ff3ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 20:00:16,165 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 20:00:16,170 INFO L276 IsEmpty]: Start isEmpty. Operand has 183 states, 122 states have (on average 1.2540983606557377) internal successors, (153), 124 states have internal predecessors, (153), 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) [2024-11-16 20:00:16,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-16 20:00:16,194 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:00:16,195 INFO L215 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] [2024-11-16 20:00:16,196 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:00:16,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:00:16,202 INFO L85 PathProgramCache]: Analyzing trace with hash -698042340, now seen corresponding path program 1 times [2024-11-16 20:00:16,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:00:16,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067319641] [2024-11-16 20:00:16,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:00:16,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:00:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:22,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:00:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:22,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 20:00:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:22,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:00:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:22,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 20:00:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:22,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 20:00:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:22,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 20:00:22,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:22,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 20:00:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:22,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 20:00:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:22,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 20:00:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:22,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 20:00:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:22,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:00:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:22,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:00:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:22,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 20:00:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:22,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:00:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:22,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:00:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:23,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 20:00:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:23,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 20:00:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:23,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 20:00:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:23,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:00:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:23,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:00:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:23,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 20:00:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:23,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 20:00:23,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:23,455 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-16 20:00:23,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:00:23,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067319641] [2024-11-16 20:00:23,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067319641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:00:23,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:00:23,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 20:00:23,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696287323] [2024-11-16 20:00:23,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:00:23,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 20:00:23,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:00:23,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 20:00:23,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:00:23,492 INFO L87 Difference]: Start difference. First operand has 183 states, 122 states have (on average 1.2540983606557377) internal successors, (153), 124 states have internal predecessors, (153), 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) [2024-11-16 20:00:27,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:00:32,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:00:36,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:00:42,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:00:42,416 INFO L93 Difference]: Finished difference Result 390 states and 541 transitions. [2024-11-16 20:00:42,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 20:00:42,419 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 [2024-11-16 20:00:42,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:00:42,429 INFO L225 Difference]: With dead ends: 390 [2024-11-16 20:00:42,429 INFO L226 Difference]: Without dead ends: 228 [2024-11-16 20:00:42,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 20:00:42,436 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 303 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 189 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2024-11-16 20:00:42,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 173 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 318 Invalid, 3 Unknown, 0 Unchecked, 18.3s Time] [2024-11-16 20:00:42,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-16 20:00:42,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 177. [2024-11-16 20:00:42,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 117 states have (on average 1.2136752136752136) internal successors, (142), 119 states have internal predecessors, (142), 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) [2024-11-16 20:00:42,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 223 transitions. [2024-11-16 20:00:42,508 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 223 transitions. Word has length 135 [2024-11-16 20:00:42,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:00:42,514 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 223 transitions. [2024-11-16 20:00:42,514 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) [2024-11-16 20:00:42,514 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 223 transitions. [2024-11-16 20:00:42,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-16 20:00:42,520 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:00:42,521 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 3, 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] [2024-11-16 20:00:42,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 20:00:42,521 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:00:42,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:00:42,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1363600687, now seen corresponding path program 1 times [2024-11-16 20:00:42,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:00:42,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256417248] [2024-11-16 20:00:42,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:00:42,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:00:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:48,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:00:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:48,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 20:00:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:48,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:00:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:48,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 20:00:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:48,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 20:00:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:49,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 20:00:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:49,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 20:00:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:49,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 20:00:49,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:49,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 20:00:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:49,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 20:00:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:49,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:00:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:49,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:00:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:49,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 20:00:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:49,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:00:49,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:49,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:00:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:50,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 20:00:50,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:50,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 20:00:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:51,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 20:00:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:51,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:00:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:51,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 20:00:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:51,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-16 20:00:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:51,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:00:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:51,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:00:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:51,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 20:00:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:51,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 20:00:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:51,902 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-16 20:00:51,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:00:51,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256417248] [2024-11-16 20:00:51,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256417248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:00:51,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:00:51,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 20:00:51,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141374431] [2024-11-16 20:00:51,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:00:51,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 20:00:51,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:00:51,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 20:00:51,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-16 20:00:51,912 INFO L87 Difference]: Start difference. First operand 177 states and 223 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 5 states have internal predecessors, (60), 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) [2024-11-16 20:00:56,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:01:14,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:01:14,225 INFO L93 Difference]: Finished difference Result 330 states and 421 transitions. [2024-11-16 20:01:14,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 20:01:14,226 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 5 states have internal predecessors, (60), 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 156 [2024-11-16 20:01:14,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:01:14,230 INFO L225 Difference]: With dead ends: 330 [2024-11-16 20:01:14,231 INFO L226 Difference]: Without dead ends: 232 [2024-11-16 20:01:14,232 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-16 20:01:14,233 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 352 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 181 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 1227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2024-11-16 20:01:14,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 208 Invalid, 1227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 1045 Invalid, 1 Unknown, 0 Unchecked, 20.3s Time] [2024-11-16 20:01:14,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-16 20:01:14,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 177. [2024-11-16 20:01:14,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 117 states have (on average 1.205128205128205) internal successors, (141), 119 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) [2024-11-16 20:01:14,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 222 transitions. [2024-11-16 20:01:14,267 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 222 transitions. Word has length 156 [2024-11-16 20:01:14,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:01:14,268 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 222 transitions. [2024-11-16 20:01:14,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 5 states have internal predecessors, (60), 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) [2024-11-16 20:01:14,269 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 222 transitions. [2024-11-16 20:01:14,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-16 20:01:14,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:01:14,272 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 3, 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, 1] [2024-11-16 20:01:14,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 20:01:14,273 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:01:14,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:01:14,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1530376497, now seen corresponding path program 1 times [2024-11-16 20:01:14,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:01:14,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002474798] [2024-11-16 20:01:14,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:01:14,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:01:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:20,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:01:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:20,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 20:01:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:20,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:01:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:20,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 20:01:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:20,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 20:01:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:20,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 20:01:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:20,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 20:01:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:20,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 20:01:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:20,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 20:01:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:20,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 20:01:20,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:20,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:01:20,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:20,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:01:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:20,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 20:01:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:21,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:01:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:21,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:01:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:21,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 20:01:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:22,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:01:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:22,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 20:01:22,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:23,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 20:01:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:23,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:01:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:23,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 20:01:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:23,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-16 20:01:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:23,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:01:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:23,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:01:23,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:23,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 20:01:23,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:23,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-16 20:01:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:23,947 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-16 20:01:23,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:01:23,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002474798] [2024-11-16 20:01:23,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002474798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:01:23,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:01:23,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 20:01:23,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061950080] [2024-11-16 20:01:23,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:01:23,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 20:01:23,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:01:23,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 20:01:23,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-16 20:01:23,954 INFO L87 Difference]: Start difference. First operand 177 states and 222 transitions. Second operand has 11 states, 11 states have (on average 6.0) internal successors, (66), 7 states have internal predecessors, (66), 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) [2024-11-16 20:01:28,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []