./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness_negated.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_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 222962222638f0fcfd5888fac8242f8ce08239110602155fe31bfd0578d28673 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 02:55:52,819 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 02:55:52,871 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 02:55:52,879 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 02:55:52,879 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 02:55:52,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 02:55:52,896 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 02:55:52,896 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 02:55:52,897 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 02:55:52,897 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 02:55:52,897 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 02:55:52,897 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 02:55:52,898 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 02:55:52,898 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 02:55:52,898 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 02:55:52,899 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 02:55:52,899 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 02:55:52,899 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 02:55:52,899 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 02:55:52,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 02:55:52,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 02:55:52,904 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 02:55:52,904 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 02:55:52,904 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 02:55:52,904 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 02:55:52,904 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 02:55:52,905 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 02:55:52,905 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 02:55:52,905 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 02:55:52,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 02:55:52,905 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 02:55:52,906 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 02:55:52,906 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 02:55:52,906 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 02:55:52,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 02:55:52,906 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 02:55:52,906 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 02:55:52,907 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 02:55:52,907 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 02:55:52,907 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 222962222638f0fcfd5888fac8242f8ce08239110602155fe31bfd0578d28673 [2024-11-09 02:55:53,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 02:55:53,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 02:55:53,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 02:55:53,143 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 02:55:53,144 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 02:55:53,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness_negated.i [2024-11-09 02:55:54,474 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 02:55:54,794 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 02:55:54,796 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness_negated.i [2024-11-09 02:55:54,824 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/584e4b021/07567ba1af084d6cb96d2c69038ead5f/FLAG96f37bdf9 [2024-11-09 02:55:54,838 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/584e4b021/07567ba1af084d6cb96d2c69038ead5f [2024-11-09 02:55:54,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 02:55:54,843 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 02:55:54,845 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 02:55:54,845 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 02:55:54,849 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 02:55:54,850 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:55:54" (1/1) ... [2024-11-09 02:55:54,851 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49a967ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:55:54, skipping insertion in model container [2024-11-09 02:55:54,852 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:55:54" (1/1) ... [2024-11-09 02:55:54,935 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 02:55:55,168 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_negated.i[4493,4506] [2024-11-09 02:55:55,174 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_negated.i[4553,4566] [2024-11-09 02:55:55,587 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:55,591 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:55,591 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:55,592 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:55,592 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:55,601 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:55,601 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:55,603 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:55,603 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:55,604 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:55,605 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:55,605 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:55,606 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:55,857 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:55,857 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:55,861 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:55,866 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:55,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 02:55:55,946 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 02:55:55,962 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_negated.i[4493,4506] [2024-11-09 02:55:55,963 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_negated.i[4553,4566] [2024-11-09 02:55:56,020 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:56,021 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:56,022 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:56,022 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:56,022 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:56,030 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:56,031 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:56,031 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:56,032 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:56,035 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:56,036 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:56,036 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:56,037 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:56,114 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:56,115 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:56,116 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:56,119 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:55:56,124 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7743-7754] [2024-11-09 02:55:56,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 02:55:56,452 INFO L204 MainTranslator]: Completed translation [2024-11-09 02:55:56,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:55:56 WrapperNode [2024-11-09 02:55:56,453 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 02:55:56,454 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 02:55:56,454 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 02:55:56,454 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 02:55:56,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:55:56" (1/1) ... [2024-11-09 02:55:56,516 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:55:56" (1/1) ... [2024-11-09 02:55:56,564 INFO L138 Inliner]: procedures = 680, calls = 1678, calls flagged for inlining = 52, calls inlined = 7, statements flattened = 718 [2024-11-09 02:55:56,565 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 02:55:56,566 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 02:55:56,566 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 02:55:56,566 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 02:55:56,579 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:55:56" (1/1) ... [2024-11-09 02:55:56,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:55:56" (1/1) ... [2024-11-09 02:55:56,585 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:55:56" (1/1) ... [2024-11-09 02:55:56,698 INFO L175 MemorySlicer]: Split 313 memory accesses to 5 slices as follows [238, 2, 9, 57, 7]. 76 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [6, 2, 1, 10, 5]. The 241 writes are split as follows [232, 0, 1, 7, 1]. [2024-11-09 02:55:56,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:55:56" (1/1) ... [2024-11-09 02:55:56,699 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:55:56" (1/1) ... [2024-11-09 02:55:56,724 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:55:56" (1/1) ... [2024-11-09 02:55:56,730 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:55:56" (1/1) ... [2024-11-09 02:55:56,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:55:56" (1/1) ... [2024-11-09 02:55:56,740 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:55:56" (1/1) ... [2024-11-09 02:55:56,749 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 02:55:56,750 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 02:55:56,750 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 02:55:56,750 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 02:55:56,751 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:55:56" (1/1) ... [2024-11-09 02:55:56,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 02:55:56,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:55:56,795 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 02:55:56,799 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 02:55:56,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 02:55:56,835 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-09 02:55:56,835 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-09 02:55:56,835 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-09 02:55:56,835 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-09 02:55:56,835 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 02:55:56,835 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 02:55:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-09 02:55:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-09 02:55:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 02:55:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 02:55:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 02:55:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 02:55:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 02:55:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 02:55:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 02:55:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 02:55:56,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 02:55:56,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 02:55:56,837 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 02:55:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 02:55:56,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 02:55:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 02:55:56,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 02:55:56,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 02:55:56,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 02:55:56,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 02:55:56,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 02:55:56,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 02:55:56,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 02:55:56,838 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-09 02:55:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-09 02:55:56,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 02:55:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 02:55:56,838 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 02:55:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 02:55:56,838 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-09 02:55:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-09 02:55:56,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 02:55:56,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 02:55:56,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 02:55:56,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 02:55:56,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 02:55:56,839 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-09 02:55:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-09 02:55:56,839 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-09 02:55:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-09 02:55:56,839 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 02:55:56,840 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 02:55:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-09 02:55:56,840 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-09 02:55:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-09 02:55:56,840 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-09 02:55:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 02:55:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 02:55:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 02:55:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 02:55:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 02:55:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 02:55:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 02:55:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 02:55:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 02:55:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 02:55:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 02:55:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 02:55:56,841 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 02:55:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-09 02:55:56,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-09 02:55:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 02:55:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 02:55:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 02:55:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 02:55:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 02:55:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-09 02:55:56,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-09 02:55:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 02:55:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 02:55:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 02:55:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 02:55:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 02:55:57,104 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 02:55:57,106 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 02:56:03,160 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-11-09 02:56:03,160 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 02:56:03,175 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 02:56:03,176 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 02:56:03,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:56:03 BoogieIcfgContainer [2024-11-09 02:56:03,176 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 02:56:03,178 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 02:56:03,178 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 02:56:03,180 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 02:56:03,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:55:54" (1/3) ... [2024-11-09 02:56:03,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2222c9ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:56:03, skipping insertion in model container [2024-11-09 02:56:03,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:55:56" (2/3) ... [2024-11-09 02:56:03,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2222c9ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:56:03, skipping insertion in model container [2024-11-09 02:56:03,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:56:03" (3/3) ... [2024-11-09 02:56:03,186 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_copy_harness_negated.i [2024-11-09 02:56:03,200 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 02:56:03,201 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 02:56:03,270 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 02:56:03,276 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;@1bf37930, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 02:56:03,278 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 02:56:03,283 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 02:56:03,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-09 02:56:03,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:56:03,302 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 02:56:03,303 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:56:03,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:56:03,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1329126664, now seen corresponding path program 1 times [2024-11-09 02:56:03,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:56:03,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944323477] [2024-11-09 02:56:03,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:56:03,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:56:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:08,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:56:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:08,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 02:56:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:09,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 02:56:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:09,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:56:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:09,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:56:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:09,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:56:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:09,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 02:56:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:09,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 02:56:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:09,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 02:56:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:09,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 02:56:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:09,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:56:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:09,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:56:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:09,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 02:56:09,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:09,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 02:56:09,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:09,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 02:56:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:09,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 02:56:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:09,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 02:56:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:09,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 02:56:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:09,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 02:56:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:09,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:56:09,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:09,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:56:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:09,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 02:56:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:09,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 02:56:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:09,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:56:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:09,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 02:56:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:09,639 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 02:56:09,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:56:09,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944323477] [2024-11-09 02:56:09,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944323477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:56:09,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:56:09,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 02:56:09,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350500329] [2024-11-09 02:56:09,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:56:09,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 02:56:09,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:56:09,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 02:56:09,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 02:56:09,668 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 02:56:13,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 02:56:18,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 02:56:22,548 WARN L539 Checker$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 02:56:29,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:56:29,142 INFO L93 Difference]: Finished difference Result 442 states and 648 transitions. [2024-11-09 02:56:29,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 02:56:29,145 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 02:56:29,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:56:29,167 INFO L225 Difference]: With dead ends: 442 [2024-11-09 02:56:29,168 INFO L226 Difference]: Without dead ends: 232 [2024-11-09 02:56:29,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 02:56:29,181 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 215 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 272 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s 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, 18.8s IncrementalHoareTripleChecker+Time [2024-11-09 02:56:29,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 238 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [272 Valid, 334 Invalid, 3 Unknown, 0 Unchecked, 18.8s Time] [2024-11-09 02:56:29,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-09 02:56:29,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 204. [2024-11-09 02:56:29,251 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 02:56:29,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 276 transitions. [2024-11-09 02:56:29,256 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 276 transitions. Word has length 145 [2024-11-09 02:56:29,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:56:29,257 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 276 transitions. [2024-11-09 02:56:29,257 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 02:56:29,257 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 276 transitions. [2024-11-09 02:56:29,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-09 02:56:29,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:56:29,261 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 02:56:29,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 02:56:29,261 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:56:29,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:56:29,262 INFO L85 PathProgramCache]: Analyzing trace with hash -433130932, now seen corresponding path program 1 times [2024-11-09 02:56:29,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:56:29,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770966861] [2024-11-09 02:56:29,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:56:29,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:56:33,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:33,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:56:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:33,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 02:56:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:34,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 02:56:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:34,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:56:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:34,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:56:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:34,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:56:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:34,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 02:56:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:34,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 02:56:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:34,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 02:56:34,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:34,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 02:56:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:34,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:56:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:34,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:56:34,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:34,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 02:56:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:34,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 02:56:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:34,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 02:56:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:34,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 02:56:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:34,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 02:56:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:34,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 02:56:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:34,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 02:56:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:34,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:56:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:34,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:56:34,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:34,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 02:56:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:35,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 02:56:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:35,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:56:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:35,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 02:56:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:35,187 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 02:56:35,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:56:35,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770966861] [2024-11-09 02:56:35,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770966861] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 02:56:35,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920269457] [2024-11-09 02:56:35,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:56:35,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:56:35,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:56:35,191 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 02:56:35,192 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 02:56:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:40,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 4363 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 02:56:40,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 02:56:40,190 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 02:56:40,190 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 02:56:40,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920269457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:56:40,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 02:56:40,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2024-11-09 02:56:40,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127259036] [2024-11-09 02:56:40,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:56:40,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 02:56:40,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:56:40,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 02:56:40,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 02:56:40,194 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 02:56:40,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:56:40,289 INFO L93 Difference]: Finished difference Result 403 states and 547 transitions. [2024-11-09 02:56:40,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 02:56:40,290 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 02:56:40,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:56:40,292 INFO L225 Difference]: With dead ends: 403 [2024-11-09 02:56:40,293 INFO L226 Difference]: Without dead ends: 205 [2024-11-09 02:56:40,294 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 02:56:40,295 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 02:56:40,296 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 02:56:40,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-09 02:56:40,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2024-11-09 02:56:40,321 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 02:56:40,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 277 transitions. [2024-11-09 02:56:40,323 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 277 transitions. Word has length 145 [2024-11-09 02:56:40,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:56:40,324 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 277 transitions. [2024-11-09 02:56:40,324 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 02:56:40,324 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 277 transitions. [2024-11-09 02:56:40,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-09 02:56:40,326 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:56:40,329 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 02:56:40,357 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 02:56:40,533 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 02:56:40,534 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:56:40,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:56:40,534 INFO L85 PathProgramCache]: Analyzing trace with hash 995250632, now seen corresponding path program 1 times [2024-11-09 02:56:40,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:56:40,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103597600] [2024-11-09 02:56:40,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:56:40,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:56:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:45,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:56:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:45,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 02:56:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:45,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 02:56:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:45,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:56:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:45,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:56:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:46,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:56:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:46,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 02:56:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:46,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 02:56:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:46,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 02:56:46,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:46,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 02:56:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:46,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:56:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:46,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:56:46,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:46,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 02:56:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:46,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 02:56:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:46,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 02:56:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:46,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 02:56:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:46,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 02:56:46,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:46,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 02:56:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:46,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 02:56:46,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:46,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:56:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:46,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:56:46,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:46,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 02:56:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:47,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 02:56:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:47,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:56:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:47,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 02:56:47,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:47,207 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 02:56:47,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:56:47,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103597600] [2024-11-09 02:56:47,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103597600] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 02:56:47,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981598900] [2024-11-09 02:56:47,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:56:47,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:56:47,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:56:47,213 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 02:56:47,217 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 02:56:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:52,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 4369 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 02:56:52,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 02:56:53,243 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 02:56:53,243 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 02:56:53,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1981598900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:56:53,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 02:56:53,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-09 02:56:53,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705026631] [2024-11-09 02:56:53,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:56:53,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 02:56:53,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:56:53,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 02:56:53,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-09 02:56:53,245 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 02:56:57,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:56:57,383 INFO L93 Difference]: Finished difference Result 405 states and 558 transitions. [2024-11-09 02:56:57,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 02:56:57,384 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 02:56:57,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:56:57,386 INFO L225 Difference]: With dead ends: 405 [2024-11-09 02:56:57,386 INFO L226 Difference]: Without dead ends: 207 [2024-11-09 02:56:57,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-09 02:56:57,388 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 282 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s 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, 3.5s IncrementalHoareTripleChecker+Time [2024-11-09 02:56:57,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 779 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-09 02:56:57,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-09 02:56:57,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2024-11-09 02:56:57,408 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 02:56:57,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 290 transitions. [2024-11-09 02:56:57,410 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 290 transitions. Word has length 145 [2024-11-09 02:56:57,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:56:57,410 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 290 transitions. [2024-11-09 02:56:57,411 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 02:56:57,411 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 290 transitions. [2024-11-09 02:56:57,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-09 02:56:57,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:56:57,417 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 02:56:57,443 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 02:56:57,617 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 02:56:57,618 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:56:57,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:56:57,618 INFO L85 PathProgramCache]: Analyzing trace with hash -139108393, now seen corresponding path program 1 times [2024-11-09 02:56:57,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:56:57,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437201733] [2024-11-09 02:56:57,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:56:57,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:57:01,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:02,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:57:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:02,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 02:57:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:02,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 02:57:02,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:02,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:57:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:02,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:57:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:03,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:57:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:03,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:57:03,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:03,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:57:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:03,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 02:57:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:03,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 02:57:03,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:03,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:57:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:03,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:57:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:03,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:57:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:03,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:57:03,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:03,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 02:57:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:03,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 02:57:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:03,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-09 02:57:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:03,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 02:57:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:03,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 02:57:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:03,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 02:57:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:03,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 02:57:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:03,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 02:57:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:03,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 02:57:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:03,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-09 02:57:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:03,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 02:57:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:03,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:57:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:03,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 02:57:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:03,961 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 02:57:03,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:57:03,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437201733] [2024-11-09 02:57:03,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437201733] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 02:57:03,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776245215] [2024-11-09 02:57:03,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:57:03,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:57:03,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:57:03,965 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 02:57:03,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 02:57:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:08,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 4496 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 02:57:08,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 02:57:10,252 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-09 02:57:10,252 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 02:57:10,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776245215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:57:10,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 02:57:10,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-09 02:57:10,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184014582] [2024-11-09 02:57:10,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:57:10,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 02:57:10,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:57:10,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 02:57:10,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-09 02:57:10,254 INFO L87 Difference]: Start difference. First operand 207 states and 290 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 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 02:57:14,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:57:14,296 INFO L93 Difference]: Finished difference Result 380 states and 530 transitions. [2024-11-09 02:57:14,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 02:57:14,297 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 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 160 [2024-11-09 02:57:14,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:57:14,299 INFO L225 Difference]: With dead ends: 380 [2024-11-09 02:57:14,299 INFO L226 Difference]: Without dead ends: 207 [2024-11-09 02:57:14,301 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-09 02:57:14,303 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 280 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-09 02:57:14,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 782 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-09 02:57:14,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-09 02:57:14,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2024-11-09 02:57:14,320 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, (80), 70 states have call predecessors, (80), 70 states have call successors, (80) [2024-11-09 02:57:14,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 288 transitions. [2024-11-09 02:57:14,322 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 288 transitions. Word has length 160 [2024-11-09 02:57:14,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:57:14,322 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 288 transitions. [2024-11-09 02:57:14,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 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 02:57:14,323 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 288 transitions. [2024-11-09 02:57:14,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-09 02:57:14,324 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:57:14,324 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-09 02:57:14,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 02:57:14,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:57:14,526 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:57:14,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:57:14,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1577477002, now seen corresponding path program 2 times [2024-11-09 02:57:14,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:57:14,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657070550] [2024-11-09 02:57:14,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:57:14,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:57:18,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:19,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:57:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:19,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 02:57:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:19,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 02:57:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:19,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:57:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:19,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:57:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:20,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:57:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:20,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:57:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:20,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:57:20,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:20,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 02:57:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:20,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 02:57:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:20,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:57:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:20,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:57:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:20,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:57:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:20,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:57:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:20,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 02:57:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:20,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:57:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:20,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:57:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:20,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 02:57:20,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:20,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 02:57:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:20,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 02:57:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:20,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 02:57:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:20,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-09 02:57:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:20,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-09 02:57:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:21,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:57:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:21,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 02:57:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:21,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 02:57:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:21,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 02:57:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:21,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:57:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:21,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-09 02:57:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:21,207 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-09 02:57:21,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:57:21,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657070550] [2024-11-09 02:57:21,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657070550] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 02:57:21,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084882989] [2024-11-09 02:57:21,208 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 02:57:21,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:57:21,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:57:21,212 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 02:57:21,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process