./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2279e66d659d6de4a6f1e9cba0e3ed135a3304882c70e550497f0feeaae371b4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 19:37:32,855 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 19:37:32,941 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 19:37:32,948 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 19:37:32,949 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 19:37:32,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 19:37:32,970 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 19:37:32,970 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 19:37:32,971 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 19:37:32,971 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 19:37:32,971 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 19:37:32,972 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 19:37:32,972 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 19:37:32,973 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 19:37:32,973 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 19:37:32,973 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 19:37:32,974 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 19:37:32,974 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 19:37:32,974 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 19:37:32,975 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 19:37:32,975 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 19:37:32,976 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 19:37:32,976 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 19:37:32,976 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 19:37:32,976 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 19:37:32,977 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 19:37:32,977 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 19:37:32,977 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 19:37:32,978 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 19:37:32,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:37:32,978 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 19:37:32,978 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 19:37:32,979 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 19:37:32,981 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 19:37:32,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 19:37:32,981 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 19:37:32,982 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 19:37:32,982 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 19:37:32,982 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 19:37:32,983 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2279e66d659d6de4a6f1e9cba0e3ed135a3304882c70e550497f0feeaae371b4 [2024-11-16 19:37:33,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 19:37:33,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 19:37:33,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 19:37:33,264 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 19:37:33,265 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 19:37:33,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i [2024-11-16 19:37:34,737 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 19:37:35,189 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 19:37:35,191 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i [2024-11-16 19:37:35,236 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77a9eec88/9c36d2213363428694e38cf8501031a4/FLAG0327cc169 [2024-11-16 19:37:35,252 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77a9eec88/9c36d2213363428694e38cf8501031a4 [2024-11-16 19:37:35,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 19:37:35,257 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 19:37:35,259 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 19:37:35,259 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 19:37:35,264 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 19:37:35,264 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:37:35" (1/1) ... [2024-11-16 19:37:35,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46e48d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:35, skipping insertion in model container [2024-11-16 19:37:35,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:37:35" (1/1) ... [2024-11-16 19:37:35,373 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 19:37:35,638 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_back_harness.i[4493,4506] [2024-11-16 19:37:35,646 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_back_harness.i[4553,4566] [2024-11-16 19:37:36,391 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:36,393 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:36,394 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:36,395 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:36,397 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:36,417 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:36,418 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:36,420 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:36,422 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:36,424 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:36,425 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:36,426 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:36,427 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:36,834 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:36,839 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:36,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:37:36,931 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 19:37:36,944 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_back_harness.i[4493,4506] [2024-11-16 19:37:36,944 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_back_harness.i[4553,4566] [2024-11-16 19:37:36,989 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:36,990 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:36,990 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:36,990 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:36,991 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:36,998 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:36,998 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:36,999 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:37,000 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:37,001 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:37,001 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:37,002 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:37,002 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:37,072 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:37,082 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:37,093 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7769-7780] [2024-11-16 19:37:37,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:37:37,431 INFO L204 MainTranslator]: Completed translation [2024-11-16 19:37:37,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:37 WrapperNode [2024-11-16 19:37:37,432 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 19:37:37,433 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 19:37:37,433 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 19:37:37,433 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 19:37:37,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:37" (1/1) ... [2024-11-16 19:37:37,511 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:37" (1/1) ... [2024-11-16 19:37:37,568 INFO L138 Inliner]: procedures = 680, calls = 1678, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 656 [2024-11-16 19:37:37,569 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 19:37:37,569 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 19:37:37,569 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 19:37:37,569 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 19:37:37,588 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:37" (1/1) ... [2024-11-16 19:37:37,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:37" (1/1) ... [2024-11-16 19:37:37,603 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:37" (1/1) ... [2024-11-16 19:37:37,707 INFO L175 MemorySlicer]: Split 313 memory accesses to 6 slices as follows [238, 2, 9, 6, 3, 55]. 76 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [6, 2, 5, 0, 1, 10]. The 239 writes are split as follows [232, 0, 1, 2, 1, 3]. [2024-11-16 19:37:37,710 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:37" (1/1) ... [2024-11-16 19:37:37,710 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:37" (1/1) ... [2024-11-16 19:37:37,740 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:37" (1/1) ... [2024-11-16 19:37:37,742 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:37" (1/1) ... [2024-11-16 19:37:37,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:37" (1/1) ... [2024-11-16 19:37:37,767 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:37" (1/1) ... [2024-11-16 19:37:37,787 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 19:37:37,788 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 19:37:37,788 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 19:37:37,788 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 19:37:37,790 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:37" (1/1) ... [2024-11-16 19:37:37,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:37:37,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:37:37,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 19:37:37,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 19:37:37,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 19:37:37,874 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-16 19:37:37,875 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-16 19:37:37,875 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-16 19:37:37,875 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-16 19:37:37,875 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 19:37:37,875 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 19:37:37,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 19:37:37,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 19:37:37,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 19:37:37,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 19:37:37,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 19:37:37,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 19:37:37,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 19:37:37,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 19:37:37,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 19:37:37,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 19:37:37,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 19:37:37,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 19:37:37,878 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-16 19:37:37,878 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-16 19:37:37,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 19:37:37,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 19:37:37,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 19:37:37,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 19:37:37,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 19:37:37,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 19:37:37,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 19:37:37,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 19:37:37,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 19:37:37,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 19:37:37,879 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-16 19:37:37,880 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-16 19:37:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 19:37:37,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 19:37:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 19:37:37,880 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 19:37:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-16 19:37:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-16 19:37:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-16 19:37:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-16 19:37:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-16 19:37:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-16 19:37:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 19:37:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 19:37:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 19:37:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 19:37:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 19:37:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 19:37:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-16 19:37:37,882 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-16 19:37:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-16 19:37:37,882 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-16 19:37:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 19:37:37,882 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 19:37:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-16 19:37:37,883 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-16 19:37:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 19:37:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 19:37:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 19:37:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 19:37:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 19:37:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 19:37:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 19:37:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 19:37:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 19:37:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 19:37:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 19:37:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 19:37:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 19:37:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 19:37:37,884 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 19:37:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-16 19:37:37,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-16 19:37:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 19:37:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 19:37:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 19:37:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 19:37:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 19:37:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 19:37:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-16 19:37:37,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-16 19:37:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 19:37:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 19:37:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 19:37:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 19:37:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 19:37:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 19:37:38,251 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 19:37:38,253 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 19:37:38,296 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2782: havoc #t~malloc77.base, #t~malloc77.offset; [2024-11-16 19:37:38,333 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2024-11-16 19:37:38,373 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2588: havoc #t~ret57#1; [2024-11-16 19:37:38,422 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2796: havoc #t~ret81;havoc #t~ite83.base, #t~ite83.offset;havoc #t~ret82.base, #t~ret82.offset; [2024-11-16 19:37:38,508 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3268: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2024-11-16 19:37:38,512 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 19:37:38,538 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7390: havoc #t~ret683.base, #t~ret683.offset; [2024-11-16 19:37:44,003 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3417: havoc aws_array_list_back_~last_item_offset~0#1; [2024-11-16 19:37:44,003 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3426: havoc aws_array_list_back_#t~ret217#1; [2024-11-16 19:37:44,080 INFO L? ?]: Removed 126 outVars from TransFormulas that were not future-live. [2024-11-16 19:37:44,080 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 19:37:44,095 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 19:37:44,096 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 19:37:44,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:37:44 BoogieIcfgContainer [2024-11-16 19:37:44,097 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 19:37:44,100 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 19:37:44,100 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 19:37:44,104 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 19:37:44,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:37:35" (1/3) ... [2024-11-16 19:37:44,105 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fdf3883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:37:44, skipping insertion in model container [2024-11-16 19:37:44,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:37" (2/3) ... [2024-11-16 19:37:44,106 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fdf3883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:37:44, skipping insertion in model container [2024-11-16 19:37:44,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:37:44" (3/3) ... [2024-11-16 19:37:44,108 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_back_harness.i [2024-11-16 19:37:44,124 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 19:37:44,125 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 19:37:44,198 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:37:44,206 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;@2435eaf5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:37:44,207 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 19:37:44,213 INFO L276 IsEmpty]: Start isEmpty. Operand has 187 states, 113 states have (on average 1.2035398230088497) internal successors, (136), 114 states have internal predecessors, (136), 55 states have call successors, (55), 17 states have call predecessors, (55), 17 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-16 19:37:44,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-16 19:37:44,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:37:44,231 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 19:37:44,232 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:37:44,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:37:44,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1867376745, now seen corresponding path program 1 times [2024-11-16 19:37:44,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:37:44,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532651813] [2024-11-16 19:37:44,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:37:44,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:37:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:37:50,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:37:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:37:50,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 19:37:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:37:50,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 19:37:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:37:51,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 19:37:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:37:51,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 19:37:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:37:51,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 19:37:51,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:37:51,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 19:37:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:37:51,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 19:37:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:37:51,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 19:37:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:37:51,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 19:37:51,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:37:51,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:37:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:37:51,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 19:37:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:37:51,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 19:37:51,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:37:51,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-16 19:37:51,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:37:51,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 19:37:51,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:37:51,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 19:37:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:37:51,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 19:37:51,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:37:51,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 19:37:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:37:51,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 19:37:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:37:51,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 19:37:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:37:51,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 19:37:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:37:51,603 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-16 19:37:51,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:37:51,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532651813] [2024-11-16 19:37:51,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532651813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:37:51,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:37:51,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 19:37:51,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159217757] [2024-11-16 19:37:51,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:37:51,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 19:37:51,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:37:51,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 19:37:51,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 19:37:51,642 INFO L87 Difference]: Start difference. First operand has 187 states, 113 states have (on average 1.2035398230088497) internal successors, (136), 114 states have internal predecessors, (136), 55 states have call successors, (55), 17 states have call predecessors, (55), 17 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 19:37:55,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:38:00,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:38:04,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:38:10,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 19:38:10,583 INFO L93 Difference]: Finished difference Result 388 states and 557 transitions. [2024-11-16 19:38:10,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 19:38:10,586 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 129 [2024-11-16 19:38:10,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 19:38:10,594 INFO L225 Difference]: With dead ends: 388 [2024-11-16 19:38:10,594 INFO L226 Difference]: Without dead ends: 199 [2024-11-16 19:38:10,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-16 19:38:10,601 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 129 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 148 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2024-11-16 19:38:10,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 297 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 314 Invalid, 3 Unknown, 0 Unchecked, 18.3s Time] [2024-11-16 19:38:10,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-16 19:38:10,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 177. [2024-11-16 19:38:10,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 105 states have (on average 1.161904761904762) internal successors, (122), 106 states have internal predecessors, (122), 55 states have call successors, (55), 17 states have call predecessors, (55), 16 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-16 19:38:10,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 230 transitions. [2024-11-16 19:38:10,681 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 230 transitions. Word has length 129 [2024-11-16 19:38:10,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 19:38:10,681 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 230 transitions. [2024-11-16 19:38:10,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 19:38:10,682 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 230 transitions. [2024-11-16 19:38:10,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-16 19:38:10,685 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:38:10,685 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 19:38:10,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 19:38:10,686 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:38:10,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:38:10,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1896891755, now seen corresponding path program 1 times [2024-11-16 19:38:10,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:38:10,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162440813] [2024-11-16 19:38:10,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:38:10,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:38:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:16,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:38:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:16,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 19:38:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:16,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 19:38:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:16,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 19:38:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:16,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 19:38:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:16,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 19:38:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:17,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 19:38:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:17,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 19:38:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:17,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 19:38:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:17,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 19:38:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:17,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:38:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:17,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 19:38:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:17,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 19:38:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:17,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-16 19:38:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:17,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 19:38:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:17,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 19:38:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:17,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 19:38:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:17,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 19:38:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:17,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 19:38:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:17,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 19:38:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:17,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 19:38:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:17,771 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-16 19:38:17,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:38:17,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162440813] [2024-11-16 19:38:17,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162440813] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 19:38:17,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010508541] [2024-11-16 19:38:17,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:38:17,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 19:38:17,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:38:17,775 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) [2024-11-16 19:38:17,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 19:38:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:23,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 4267 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-16 19:38:23,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 19:38:24,499 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-16 19:38:24,499 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 19:38:24,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010508541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:38:24,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 19:38:24,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-16 19:38:24,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381390930] [2024-11-16 19:38:24,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:38:24,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 19:38:24,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:38:24,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 19:38:24,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-16 19:38:24,505 INFO L87 Difference]: Start difference. First operand 177 states and 230 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-16 19:38:27,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 19:38:27,942 INFO L93 Difference]: Finished difference Result 327 states and 431 transitions. [2024-11-16 19:38:27,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 19:38:27,943 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 129 [2024-11-16 19:38:27,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 19:38:27,946 INFO L225 Difference]: With dead ends: 327 [2024-11-16 19:38:27,946 INFO L226 Difference]: Without dead ends: 179 [2024-11-16 19:38:27,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-16 19:38:27,949 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 242 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-16 19:38:27,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 658 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-16 19:38:27,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-16 19:38:27,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-16 19:38:27,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 106 states have (on average 1.1603773584905661) internal successors, (123), 108 states have internal predecessors, (123), 55 states have call successors, (55), 17 states have call predecessors, (55), 17 states have return successors, (58), 53 states have call predecessors, (58), 53 states have call successors, (58) [2024-11-16 19:38:27,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 236 transitions. [2024-11-16 19:38:27,977 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 236 transitions. Word has length 129 [2024-11-16 19:38:27,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 19:38:27,978 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 236 transitions. [2024-11-16 19:38:27,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-16 19:38:27,980 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 236 transitions. [2024-11-16 19:38:27,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-16 19:38:27,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:38:27,984 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 19:38:28,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-16 19:38:28,185 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 [2024-11-16 19:38:28,186 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:38:28,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:38:28,186 INFO L85 PathProgramCache]: Analyzing trace with hash -761922489, now seen corresponding path program 1 times [2024-11-16 19:38:28,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:38:28,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216462247] [2024-11-16 19:38:28,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:38:28,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:38:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:34,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:38:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:34,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 19:38:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:34,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 19:38:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:34,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 19:38:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:34,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 19:38:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:34,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 19:38:34,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:35,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:38:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:35,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:38:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:35,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 19:38:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:35,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 19:38:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:35,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 19:38:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:35,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 19:38:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:35,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:38:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:35,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 19:38:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:35,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:38:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:35,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:38:35,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:35,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 19:38:35,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:35,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 19:38:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:35,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 19:38:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:36,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 19:38:36,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:36,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 19:38:36,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:36,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 19:38:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:36,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 19:38:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:36,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 19:38:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:36,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 19:38:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:36,237 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2024-11-16 19:38:36,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:38:36,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216462247] [2024-11-16 19:38:36,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216462247] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 19:38:36,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657319962] [2024-11-16 19:38:36,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:38:36,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 19:38:36,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:38:36,241 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) [2024-11-16 19:38:36,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 19:38:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:41,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 4521 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-16 19:38:41,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 19:38:43,537 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-11-16 19:38:43,537 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 19:38:43,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657319962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:38:43,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 19:38:43,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2024-11-16 19:38:43,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621955460] [2024-11-16 19:38:43,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:38:43,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 19:38:43,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:38:43,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 19:38:43,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-16 19:38:43,541 INFO L87 Difference]: Start difference. First operand 179 states and 236 transitions. Second operand has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-16 19:38:48,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 19:38:48,044 INFO L93 Difference]: Finished difference Result 289 states and 381 transitions. [2024-11-16 19:38:48,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 19:38:48,044 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 159 [2024-11-16 19:38:48,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 19:38:48,047 INFO L225 Difference]: With dead ends: 289 [2024-11-16 19:38:48,047 INFO L226 Difference]: Without dead ends: 179 [2024-11-16 19:38:48,048 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2024-11-16 19:38:48,049 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 245 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-16 19:38:48,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 815 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-16 19:38:48,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-16 19:38:48,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-16 19:38:48,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 106 states have (on average 1.1603773584905661) internal successors, (123), 108 states have internal predecessors, (123), 55 states have call successors, (55), 17 states have call predecessors, (55), 17 states have return successors, (55), 53 states have call predecessors, (55), 53 states have call successors, (55) [2024-11-16 19:38:48,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 233 transitions. [2024-11-16 19:38:48,070 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 233 transitions. Word has length 159 [2024-11-16 19:38:48,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 19:38:48,071 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 233 transitions. [2024-11-16 19:38:48,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-16 19:38:48,072 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 233 transitions. [2024-11-16 19:38:48,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-16 19:38:48,074 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:38:48,074 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 19:38:48,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-16 19:38:48,274 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 [2024-11-16 19:38:48,275 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:38:48,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:38:48,276 INFO L85 PathProgramCache]: Analyzing trace with hash -485038964, now seen corresponding path program 2 times [2024-11-16 19:38:48,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:38:48,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514841533] [2024-11-16 19:38:48,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:38:48,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:38:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:54,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:38:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:54,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 19:38:54,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:54,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 19:38:54,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:54,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 19:38:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:54,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 19:38:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:55,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 19:38:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:55,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:38:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:55,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:38:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:55,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 19:38:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:55,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 19:38:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:55,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 19:38:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:55,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 19:38:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:55,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:38:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:55,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 19:38:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:56,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:38:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:56,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:38:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:56,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 19:38:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:56,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 19:38:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:56,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 19:38:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:56,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:38:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:56,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:38:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:56,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 19:38:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:56,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 19:38:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:56,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 19:38:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:56,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 19:38:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:56,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-16 19:38:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:56,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 19:38:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:56,935 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-11-16 19:38:56,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:38:56,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514841533] [2024-11-16 19:38:56,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514841533] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 19:38:56,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504382866] [2024-11-16 19:38:56,936 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 19:38:56,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 19:38:56,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:38:56,938 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) [2024-11-16 19:38:56,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process