./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d 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_array_list_copy_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 d7c0f5b67426dc3769ace794e9c8c036d37ffa3960449e6b59343c653ea0c545 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 02:55:53,498 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 02:55:53,557 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 02:55:53,561 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 02:55:53,562 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 02:55:53,602 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 02:55:53,603 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 02:55:53,603 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 02:55:53,604 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 02:55:53,604 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 02:55:53,605 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 02:55:53,605 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 02:55:53,606 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 02:55:53,606 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 02:55:53,606 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 02:55:53,607 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 02:55:53,607 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 02:55:53,607 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 02:55:53,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 02:55:53,608 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 02:55:53,608 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 02:55:53,609 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 02:55:53,609 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 02:55:53,610 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 02:55:53,610 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 02:55:53,610 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 02:55:53,611 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 02:55:53,611 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 02:55:53,611 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 02:55:53,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 02:55:53,612 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 02:55:53,612 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 02:55:53,613 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 02:55:53,613 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 02:55:53,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 02:55:53,614 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 02:55:53,614 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 02:55:53,614 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 02:55:53,614 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 02:55:53,615 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7c0f5b67426dc3769ace794e9c8c036d37ffa3960449e6b59343c653ea0c545 [2024-11-09 02:55:53,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 02:55:53,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 02:55:53,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 02:55:53,930 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 02:55:53,931 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 02:55:53,932 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i [2024-11-09 02:55:55,376 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 02:55:55,859 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 02:55:55,860 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i [2024-11-09 02:55:55,908 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02d65dae4/680faf4e2bb54c1cbd415dc03baed528/FLAGe40ad6522 [2024-11-09 02:55:55,928 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02d65dae4/680faf4e2bb54c1cbd415dc03baed528 [2024-11-09 02:55:55,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 02:55:55,933 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 02:55:55,935 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 02:55:55,935 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 02:55:55,940 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 02:55:55,941 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:55:55" (1/1) ... [2024-11-09 02:55:55,942 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20f32c1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:55:55, skipping insertion in model container [2024-11-09 02:55:55,942 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:55:55" (1/1) ... [2024-11-09 02:55:56,037 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 02:55:56,362 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_array_list_copy_harness.i[4493,4506] [2024-11-09 02:55:56,374 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_array_list_copy_harness.i[4553,4566] [2024-11-09 02:55:57,734 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:57,737 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:57,737 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:57,738 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:57,739 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:57,752 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:57,753 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:57,754 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:57,755 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:57,756 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:57,757 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:57,758 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:57,759 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:58,236 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:58,237 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:58,247 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:58,255 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:58,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 02:55:58,416 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 02:55:58,433 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_array_list_copy_harness.i[4493,4506] [2024-11-09 02:55:58,434 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_array_list_copy_harness.i[4553,4566] [2024-11-09 02:55:58,512 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:58,513 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:58,513 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:58,513 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:58,514 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:58,520 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:58,520 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:58,521 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:58,522 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:58,523 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:58,523 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:58,524 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:58,524 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:58,596 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:58,601 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:58,602 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:58,611 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:58,623 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7775-7786] [2024-11-09 02:55:58,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 02:55:58,899 INFO L204 MainTranslator]: Completed translation [2024-11-09 02:55:58,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:55:58 WrapperNode [2024-11-09 02:55:58,900 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 02:55:58,901 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 02:55:58,901 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 02:55:58,901 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 02:55:58,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:55:58" (1/1) ... [2024-11-09 02:55:58,980 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:55:58" (1/1) ... [2024-11-09 02:55:59,063 INFO L138 Inliner]: procedures = 680, calls = 1678, calls flagged for inlining = 52, calls inlined = 7, statements flattened = 718 [2024-11-09 02:55:59,064 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 02:55:59,065 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 02:55:59,065 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 02:55:59,065 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 02:55:59,080 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:55:58" (1/1) ... [2024-11-09 02:55:59,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:55:58" (1/1) ... [2024-11-09 02:55:59,095 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:55:58" (1/1) ... [2024-11-09 02:55:59,185 INFO L175 MemorySlicer]: Split 313 memory accesses to 5 slices as follows [57, 238, 2, 7, 9]. 76 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [10, 6, 2, 5, 1]. The 241 writes are split as follows [7, 232, 0, 1, 1]. [2024-11-09 02:55:59,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:55:58" (1/1) ... [2024-11-09 02:55:59,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:55:58" (1/1) ... [2024-11-09 02:55:59,234 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:55:58" (1/1) ... [2024-11-09 02:55:59,242 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:55:58" (1/1) ... [2024-11-09 02:55:59,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:55:58" (1/1) ... [2024-11-09 02:55:59,268 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:55:58" (1/1) ... [2024-11-09 02:55:59,286 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 02:55:59,289 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 02:55:59,289 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 02:55:59,290 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 02:55:59,292 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:55:58" (1/1) ... [2024-11-09 02:55:59,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 02:55:59,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:55:59,391 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) [2024-11-09 02:55:59,402 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 [2024-11-09 02:55:59,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 02:55:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-09 02:55:59,490 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-09 02:55:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-09 02:55:59,491 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-09 02:55:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 02:55:59,491 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 02:55:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-09 02:55:59,491 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-09 02:55:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 02:55:59,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 02:55:59,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 02:55:59,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 02:55:59,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 02:55:59,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 02:55:59,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 02:55:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 02:55:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 02:55:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 02:55:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 02:55:59,493 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 02:55:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 02:55:59,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 02:55:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 02:55:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 02:55:59,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 02:55:59,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 02:55:59,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 02:55:59,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 02:55:59,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 02:55:59,495 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-09 02:55:59,495 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-09 02:55:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 02:55:59,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 02:55:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 02:55:59,496 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 02:55:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-09 02:55:59,497 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-09 02:55:59,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 02:55:59,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 02:55:59,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 02:55:59,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 02:55:59,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 02:55:59,498 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-09 02:55:59,498 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-09 02:55:59,498 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-09 02:55:59,498 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-09 02:55:59,498 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 02:55:59,498 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 02:55:59,498 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-09 02:55:59,498 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-09 02:55:59,499 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-09 02:55:59,499 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-09 02:55:59,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 02:55:59,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 02:55:59,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 02:55:59,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 02:55:59,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 02:55:59,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 02:55:59,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 02:55:59,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 02:55:59,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 02:55:59,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 02:55:59,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 02:55:59,500 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 02:55:59,500 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 02:55:59,500 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-09 02:55:59,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-09 02:55:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 02:55:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 02:55:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 02:55:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 02:55:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 02:55:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-09 02:55:59,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-09 02:55:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 02:55:59,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 02:55:59,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 02:55:59,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 02:55:59,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 02:55:59,829 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 02:55:59,833 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 02:56:06,605 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-11-09 02:56:06,605 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 02:56:06,631 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 02:56:06,631 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 02:56:06,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:56:06 BoogieIcfgContainer [2024-11-09 02:56:06,632 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 02:56:06,635 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 02:56:06,636 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 02:56:06,639 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 02:56:06,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:55:55" (1/3) ... [2024-11-09 02:56:06,640 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@168de9c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:56:06, skipping insertion in model container [2024-11-09 02:56:06,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:55:58" (2/3) ... [2024-11-09 02:56:06,642 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@168de9c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:56:06, skipping insertion in model container [2024-11-09 02:56:06,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:56:06" (3/3) ... [2024-11-09 02:56:06,644 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_copy_harness.i [2024-11-09 02:56:06,661 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 02:56:06,662 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 02:56:06,747 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 02:56:06,755 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;@4ca08a7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 02:56:06,756 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 02:56:06,762 INFO L276 IsEmpty]: Start isEmpty. Operand has 209 states, 119 states have (on average 1.184873949579832) internal successors, (141), 120 states have internal predecessors, (141), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-09 02:56:06,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-09 02:56:06,778 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:56:06,779 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 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] [2024-11-09 02:56:06,779 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:56:06,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:56:06,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1329126664, now seen corresponding path program 1 times [2024-11-09 02:56:06,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:56:06,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508321742] [2024-11-09 02:56:06,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:56:06,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:56:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:12,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:56:12,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:12,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 02:56:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:13,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 02:56:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:13,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:56:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:13,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:56:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:13,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:56:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:13,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 02:56:13,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:13,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 02:56:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:13,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 02:56:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:13,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 02:56:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:13,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:56:13,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:13,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:56:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:13,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 02:56:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:13,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 02:56:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:13,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 02:56:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:13,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 02:56:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:13,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 02:56:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:13,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 02:56:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:13,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 02:56:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:13,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:56:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:13,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:56:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:13,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 02:56:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:13,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 02:56:13,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:13,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:56:13,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:13,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 02:56:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:13,990 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2024-11-09 02:56:13,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:56:13,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508321742] [2024-11-09 02:56:13,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508321742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:56:13,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:56:13,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 02:56:13,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507118451] [2024-11-09 02:56:13,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:56:13,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 02:56:13,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:56:14,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 02:56:14,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 02:56:14,029 INFO L87 Difference]: Start difference. First operand has 209 states, 119 states have (on average 1.184873949579832) internal successors, (141), 120 states have internal predecessors, (141), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:56:18,132 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 [] [2024-11-09 02:56:22,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 02:56:26,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 02:56:34,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:56:34,061 INFO L93 Difference]: Finished difference Result 442 states and 648 transitions. [2024-11-09 02:56:34,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 02:56:34,068 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 145 [2024-11-09 02:56:34,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:56:34,082 INFO L225 Difference]: With dead ends: 442 [2024-11-09 02:56:34,082 INFO L226 Difference]: Without dead ends: 232 [2024-11-09 02:56:34,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 02:56:34,094 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 215 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 272 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 272 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2024-11-09 02:56:34,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 238 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [272 Valid, 334 Invalid, 3 Unknown, 0 Unchecked, 19.3s Time] [2024-11-09 02:56:34,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-09 02:56:34,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 204. [2024-11-09 02:56:34,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 115 states have (on average 1.173913043478261) internal successors, (135), 116 states have internal predecessors, (135), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-09 02:56:34,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 276 transitions. [2024-11-09 02:56:34,186 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 276 transitions. Word has length 145 [2024-11-09 02:56:34,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:56:34,187 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 276 transitions. [2024-11-09 02:56:34,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:56:34,188 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 276 transitions. [2024-11-09 02:56:34,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-09 02:56:34,194 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:56:34,194 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 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] [2024-11-09 02:56:34,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 02:56:34,195 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:56:34,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:56:34,196 INFO L85 PathProgramCache]: Analyzing trace with hash -433130932, now seen corresponding path program 1 times [2024-11-09 02:56:34,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:56:34,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781157557] [2024-11-09 02:56:34,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:56:34,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:56:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:39,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:56:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:39,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 02:56:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:39,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 02:56:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:40,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:56:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:40,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:56:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:40,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:56:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:40,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 02:56:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:40,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 02:56:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:40,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 02:56:40,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:40,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 02:56:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:40,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:56:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:40,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:56:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:40,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 02:56:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:40,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 02:56:40,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:40,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 02:56:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:40,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 02:56:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:40,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 02:56:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:40,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 02:56:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:40,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 02:56:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:40,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:56:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:40,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:56:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:40,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 02:56:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:40,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 02:56:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:40,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:56:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:40,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 02:56:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:40,886 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 02:56:40,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:56:40,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781157557] [2024-11-09 02:56:40,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781157557] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 02:56:40,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289592985] [2024-11-09 02:56:40,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:56:40,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:56:40,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:56:40,889 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 02:56:40,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 02:56:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:46,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 4363 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 02:56:46,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 02:56:46,265 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2024-11-09 02:56:46,266 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 02:56:46,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289592985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:56:46,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 02:56:46,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2024-11-09 02:56:46,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616497573] [2024-11-09 02:56:46,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:56:46,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 02:56:46,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:56:46,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 02:56:46,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 02:56:46,278 INFO L87 Difference]: Start difference. First operand 204 states and 276 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:56:46,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:56:46,431 INFO L93 Difference]: Finished difference Result 403 states and 547 transitions. [2024-11-09 02:56:46,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 02:56:46,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 145 [2024-11-09 02:56:46,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:56:46,436 INFO L225 Difference]: With dead ends: 403 [2024-11-09 02:56:46,436 INFO L226 Difference]: Without dead ends: 205 [2024-11-09 02:56:46,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 02:56:46,440 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 0 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 02:56:46,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 546 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 02:56:46,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-09 02:56:46,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2024-11-09 02:56:46,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 116 states have (on average 1.1724137931034482) internal successors, (136), 117 states have internal predecessors, (136), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-09 02:56:46,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 277 transitions. [2024-11-09 02:56:46,484 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 277 transitions. Word has length 145 [2024-11-09 02:56:46,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:56:46,484 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 277 transitions. [2024-11-09 02:56:46,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 02:56:46,487 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 277 transitions. [2024-11-09 02:56:46,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-09 02:56:46,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:56:46,495 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 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] [2024-11-09 02:56:46,535 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 02:56:46,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:56:46,696 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:56:46,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:56:46,697 INFO L85 PathProgramCache]: Analyzing trace with hash 995250632, now seen corresponding path program 1 times [2024-11-09 02:56:46,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:56:46,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816873687] [2024-11-09 02:56:46,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:56:46,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:56:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:52,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:56:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:52,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 02:56:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:53,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 02:56:53,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:53,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:56:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:53,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:56:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:53,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:56:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:54,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 02:56:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:54,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 02:56:54,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:54,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 02:56:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:54,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 02:56:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:54,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:56:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:54,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:56:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:54,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 02:56:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:54,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 02:56:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:54,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 02:56:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:54,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 02:56:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:54,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 02:56:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:54,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 02:56:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:54,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 02:56:54,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:54,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:56:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:54,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:56:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:54,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 02:56:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:54,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 02:56:54,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:54,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:56:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:54,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 02:56:54,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:54,890 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2024-11-09 02:56:54,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:56:54,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816873687] [2024-11-09 02:56:54,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816873687] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 02:56:54,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151442089] [2024-11-09 02:56:54,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:56:54,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:56:54,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:56:54,894 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 02:56:54,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 02:57:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:00,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 4369 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 02:57:00,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 02:57:01,240 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-09 02:57:01,240 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 02:57:01,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1151442089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:57:01,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 02:57:01,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-09 02:57:01,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129092798] [2024-11-09 02:57:01,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:57:01,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 02:57:01,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:57:01,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 02:57:01,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-09 02:57:01,244 INFO L87 Difference]: Start difference. First operand 205 states and 277 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-09 02:57:05,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:57:05,460 INFO L93 Difference]: Finished difference Result 405 states and 558 transitions. [2024-11-09 02:57:05,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 02:57:05,460 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 145 [2024-11-09 02:57:05,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:57:05,464 INFO L225 Difference]: With dead ends: 405 [2024-11-09 02:57:05,464 INFO L226 Difference]: Without dead ends: 207 [2024-11-09 02:57:05,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-09 02:57:05,467 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 282 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 779 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-09 02:57:05,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 779 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-09 02:57:05,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-09 02:57:05,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2024-11-09 02:57:05,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 117 states have (on average 1.170940170940171) internal successors, (137), 119 states have internal predecessors, (137), 71 states have call successors, (71), 17 states have call predecessors, (71), 18 states have return successors, (82), 70 states have call predecessors, (82), 70 states have call successors, (82) [2024-11-09 02:57:05,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 290 transitions. [2024-11-09 02:57:05,501 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 290 transitions. Word has length 145 [2024-11-09 02:57:05,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:57:05,502 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 290 transitions. [2024-11-09 02:57:05,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-09 02:57:05,502 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 290 transitions. [2024-11-09 02:57:05,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-09 02:57:05,505 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:57:05,505 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:57:05,535 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 02:57:05,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-09 02:57:05,707 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:57:05,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:57:05,707 INFO L85 PathProgramCache]: Analyzing trace with hash -139108393, now seen corresponding path program 1 times [2024-11-09 02:57:05,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:57:05,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772638964] [2024-11-09 02:57:05,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:57:05,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:57:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:11,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:57:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:11,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 02:57:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:11,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 02:57:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:11,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:57:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:11,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:57:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:11,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:57:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:12,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:57:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:12,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:57:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:12,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 02:57:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:12,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 02:57:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:12,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:57:12,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:12,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:57:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:12,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:57:12,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:12,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:57:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:12,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 02:57:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:12,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 02:57:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:12,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-09 02:57:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:12,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 02:57:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:12,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 02:57:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:12,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 02:57:12,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:12,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 02:57:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:13,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 02:57:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:13,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 02:57:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:13,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-09 02:57:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:13,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 02:57:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:13,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:57:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:13,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 02:57:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:13,059 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-11-09 02:57:13,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:57:13,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772638964] [2024-11-09 02:57:13,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772638964] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 02:57:13,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661143955] [2024-11-09 02:57:13,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:57:13,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:57:13,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:57:13,064 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 02:57:13,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process