./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 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_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-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 19:39:04,820 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 19:39:04,886 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 19:39:04,888 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 19:39:04,889 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 19:39:04,906 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 19:39:04,907 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 19:39:04,907 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 19:39:04,908 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 19:39:04,910 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 19:39:04,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 19:39:04,911 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 19:39:04,911 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 19:39:04,912 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 19:39:04,912 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 19:39:04,913 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 19:39:04,913 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 19:39:04,913 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 19:39:04,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 19:39:04,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 19:39:04,914 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 19:39:04,914 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 19:39:04,915 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 19:39:04,915 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 19:39:04,915 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 19:39:04,915 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 19:39:04,915 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 19:39:04,915 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 19:39:04,915 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 19:39:04,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:39:04,916 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 19:39:04,916 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 19:39:04,916 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 19:39:04,916 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 19:39:04,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 19:39:04,916 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 19:39:04,916 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 19:39:04,916 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 19:39:04,917 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 19:39:04,917 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 222962222638f0fcfd5888fac8242f8ce08239110602155fe31bfd0578d28673 [2024-11-16 19:39:05,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 19:39:05,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 19:39:05,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 19:39:05,135 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 19:39:05,135 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 19:39:05,136 INFO L431 ainManager$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 [2024-11-16 19:39:06,354 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 19:39:06,693 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 19:39:06,695 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness_negated.i [2024-11-16 19:39:06,722 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b0dd05ac/9aae33d2415a493282ecbd9a1d84e4b5/FLAGa5ac1e284 [2024-11-16 19:39:06,732 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b0dd05ac/9aae33d2415a493282ecbd9a1d84e4b5 [2024-11-16 19:39:06,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 19:39:06,735 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 19:39:06,735 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 19:39:06,736 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 19:39:06,739 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 19:39:06,740 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:39:06" (1/1) ... [2024-11-16 19:39:06,740 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@179fb05f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:06, skipping insertion in model container [2024-11-16 19:39:06,741 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:39:06" (1/1) ... [2024-11-16 19:39:06,801 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 19:39:07,010 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] [2024-11-16 19:39:07,017 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] [2024-11-16 19:39:07,600 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:07,601 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:07,603 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:07,604 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:07,605 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:07,618 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:07,621 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:07,622 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:07,623 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:07,624 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:07,626 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:07,627 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:07,628 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:07,944 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:07,944 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:07,947 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:07,951 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:07,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:39:08,017 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 19:39:08,028 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] [2024-11-16 19:39:08,031 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] [2024-11-16 19:39:08,075 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:08,075 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:08,075 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:08,076 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:08,076 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:08,081 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:08,081 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:08,082 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:08,082 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:08,083 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:08,083 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:08,083 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:08,084 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:08,152 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:08,156 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:08,157 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:08,160 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:08,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7743-7754] [2024-11-16 19:39:08,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:39:08,448 INFO L204 MainTranslator]: Completed translation [2024-11-16 19:39:08,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:08 WrapperNode [2024-11-16 19:39:08,448 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 19:39:08,449 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 19:39:08,449 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 19:39:08,449 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 19:39:08,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:08" (1/1) ... [2024-11-16 19:39:08,523 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:08" (1/1) ... [2024-11-16 19:39:08,574 INFO L138 Inliner]: procedures = 680, calls = 1678, calls flagged for inlining = 52, calls inlined = 7, statements flattened = 718 [2024-11-16 19:39:08,574 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 19:39:08,575 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 19:39:08,575 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 19:39:08,575 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 19:39:08,586 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:08" (1/1) ... [2024-11-16 19:39:08,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:08" (1/1) ... [2024-11-16 19:39:08,593 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:08" (1/1) ... [2024-11-16 19:39:08,638 INFO L175 MemorySlicer]: Split 313 memory accesses to 5 slices as follows [238, 2, 57, 7, 9]. 76 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [6, 2, 10, 5, 1]. The 241 writes are split as follows [232, 0, 7, 1, 1]. [2024-11-16 19:39:08,639 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:08" (1/1) ... [2024-11-16 19:39:08,639 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:08" (1/1) ... [2024-11-16 19:39:08,671 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:08" (1/1) ... [2024-11-16 19:39:08,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:08" (1/1) ... [2024-11-16 19:39:08,677 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:08" (1/1) ... [2024-11-16 19:39:08,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:08" (1/1) ... [2024-11-16 19:39:08,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 19:39:08,691 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 19:39:08,691 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 19:39:08,691 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 19:39:08,692 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:08" (1/1) ... [2024-11-16 19:39:08,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:39:08,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:39:08,717 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 19:39:08,719 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 19:39:08,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 19:39:08,752 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-16 19:39:08,753 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-16 19:39:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-16 19:39:08,753 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-16 19:39:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 19:39:08,753 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 19:39:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-16 19:39:08,753 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-16 19:39:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 19:39:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 19:39:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 19:39:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 19:39:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 19:39:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 19:39:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 19:39:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 19:39:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 19:39:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 19:39:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-16 19:39:08,755 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-16 19:39:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 19:39:08,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 19:39:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 19:39:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 19:39:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 19:39:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 19:39:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 19:39:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 19:39:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 19:39:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-16 19:39:08,756 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-16 19:39:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 19:39:08,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 19:39:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 19:39:08,756 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 19:39:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-16 19:39:08,756 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-16 19:39:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 19:39:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 19:39:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 19:39:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 19:39:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 19:39:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-16 19:39:08,756 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-16 19:39:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-16 19:39:08,756 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-16 19:39:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 19:39:08,756 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 19:39:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-16 19:39:08,757 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-16 19:39:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-16 19:39:08,757 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-16 19:39:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 19:39:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 19:39:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 19:39:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 19:39:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 19:39:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 19:39:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 19:39:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 19:39:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 19:39:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 19:39:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 19:39:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 19:39:08,757 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 19:39:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-16 19:39:08,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-16 19:39:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 19:39:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 19:39:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 19:39:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 19:39:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 19:39:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-16 19:39:08,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-16 19:39:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 19:39:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 19:39:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 19:39:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 19:39:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 19:39:09,015 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 19:39:09,017 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 19:39:09,045 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2782: havoc #t~malloc77.base, #t~malloc77.offset; [2024-11-16 19:39:09,084 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2588: havoc #t~ret57#1; [2024-11-16 19:39:09,107 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L267: havoc nondet_uint8_t_#t~nondet10#1; [2024-11-16 19:39:09,119 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 19:39:09,200 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 19:39:09,205 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 19:39:09,218 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2821: havoc #t~ret89.base, #t~ret89.offset; [2024-11-16 19:39:09,226 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7364: havoc #t~ret682.base, #t~ret682.offset; [2024-11-16 19:39:14,365 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7481: havoc aws_array_list_copy_#t~ret750#1;call ULTIMATE.dealloc(aws_array_list_copy_~#copy_size~0#1.base, aws_array_list_copy_~#copy_size~0#1.offset);havoc aws_array_list_copy_~#copy_size~0#1.base, aws_array_list_copy_~#copy_size~0#1.offset; [2024-11-16 19:39:14,366 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7459: havoc aws_array_list_copy_~tmp~2#1.base, aws_array_list_copy_~tmp~2#1.offset; [2024-11-16 19:39:14,435 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-11-16 19:39:14,436 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 19:39:14,451 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 19:39:14,451 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 19:39:14,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:39:14 BoogieIcfgContainer [2024-11-16 19:39:14,452 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 19:39:14,454 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 19:39:14,454 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 19:39:14,457 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 19:39:14,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:39:06" (1/3) ... [2024-11-16 19:39:14,458 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a3e60b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:39:14, skipping insertion in model container [2024-11-16 19:39:14,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:08" (2/3) ... [2024-11-16 19:39:14,458 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a3e60b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:39:14, skipping insertion in model container [2024-11-16 19:39:14,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:39:14" (3/3) ... [2024-11-16 19:39:14,459 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_copy_harness_negated.i [2024-11-16 19:39:14,471 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 19:39:14,471 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 19:39:14,525 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:39:14,541 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;@1637dfd1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:39:14,542 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 19:39:14,548 INFO L276 IsEmpty]: Start isEmpty. Operand has 210 states, 120 states have (on average 1.1833333333333333) internal successors, (142), 121 states have internal predecessors, (142), 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) [2024-11-16 19:39:14,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-16 19:39:14,559 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:39:14,559 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] [2024-11-16 19:39:14,560 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:39:14,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:39:14,567 INFO L85 PathProgramCache]: Analyzing trace with hash -444188166, now seen corresponding path program 1 times [2024-11-16 19:39:14,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:39:14,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012197149] [2024-11-16 19:39:14,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:39:14,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:39:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:19,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:39:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:19,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 19:39:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:19,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 19:39:19,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:19,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 19:39:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:19,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 19:39:19,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:19,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 19:39:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:19,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 19:39:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:19,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 19:39:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:19,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 19:39:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:19,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 19:39:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:19,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 19:39:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:19,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 19:39:19,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:19,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 19:39:19,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:19,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 19:39:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:19,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 19:39:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:19,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 19:39:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:19,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 19:39:19,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:19,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 19:39:19,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:19,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 19:39:19,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:19,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-16 19:39:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:19,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 19:39:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:19,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-16 19:39:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:20,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 19:39:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:20,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:39:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:20,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 19:39:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:20,161 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2024-11-16 19:39:20,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:39:20,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012197149] [2024-11-16 19:39:20,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012197149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:39:20,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:39:20,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 19:39:20,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410493979] [2024-11-16 19:39:20,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:39:20,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 19:39:20,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:39:20,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 19:39:20,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 19:39:20,189 INFO L87 Difference]: Start difference. First operand has 210 states, 120 states have (on average 1.1833333333333333) internal successors, (142), 121 states have internal predecessors, (142), 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) [2024-11-16 19:39:24,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:39:28,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:39:33,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:39:40,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 19:39:40,588 INFO L93 Difference]: Finished difference Result 443 states and 649 transitions. [2024-11-16 19:39:40,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 19:39:40,590 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 [2024-11-16 19:39:40,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 19:39:40,601 INFO L225 Difference]: With dead ends: 443 [2024-11-16 19:39:40,601 INFO L226 Difference]: Without dead ends: 232 [2024-11-16 19:39:40,605 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 [2024-11-16 19:39:40,608 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 150 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 184 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2024-11-16 19:39:40,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 283 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 411 Invalid, 3 Unknown, 0 Unchecked, 19.8s Time] [2024-11-16 19:39:40,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-16 19:39:40,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 204. [2024-11-16 19:39:40,655 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) [2024-11-16 19:39:40,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 276 transitions. [2024-11-16 19:39:40,661 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 276 transitions. Word has length 145 [2024-11-16 19:39:40,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 19:39:40,662 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 276 transitions. [2024-11-16 19:39:40,662 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) [2024-11-16 19:39:40,662 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 276 transitions. [2024-11-16 19:39:40,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-16 19:39:40,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:39:40,669 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] [2024-11-16 19:39:40,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 19:39:40,669 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:39:40,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:39:40,670 INFO L85 PathProgramCache]: Analyzing trace with hash -2143673948, now seen corresponding path program 1 times [2024-11-16 19:39:40,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:39:40,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416768511] [2024-11-16 19:39:40,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:39:40,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:39:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:45,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:39:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:45,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 19:39:45,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:45,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 19:39:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:45,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 19:39:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:45,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 19:39:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:46,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 19:39:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:46,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 19:39:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:46,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 19:39:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:46,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 19:39:46,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:46,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 19:39:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:46,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 19:39:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:46,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 19:39:46,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:46,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 19:39:46,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:46,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 19:39:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:46,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 19:39:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:46,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 19:39:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:46,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 19:39:46,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:46,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 19:39:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:46,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 19:39:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:46,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-16 19:39:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:46,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 19:39:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:46,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-16 19:39:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:46,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 19:39:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:46,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:39:46,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:46,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 19:39:46,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:46,980 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2024-11-16 19:39:46,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:39:46,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416768511] [2024-11-16 19:39:46,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416768511] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 19:39:46,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158287064] [2024-11-16 19:39:46,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:39:46,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 19:39:46,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:39:46,983 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 19:39:46,984 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 19:39:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:51,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 4369 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-16 19:39:51,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 19:39:52,812 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-16 19:39:52,813 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 19:39:52,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158287064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:39:52,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 19:39:52,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-16 19:39:52,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127855699] [2024-11-16 19:39:52,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:39:52,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 19:39:52,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:39:52,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 19:39:52,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-16 19:39:52,816 INFO L87 Difference]: Start difference. First operand 204 states and 276 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) [2024-11-16 19:39:57,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 19:39:57,085 INFO L93 Difference]: Finished difference Result 403 states and 556 transitions. [2024-11-16 19:39:57,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 19:39:57,086 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 [2024-11-16 19:39:57,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 19:39:57,090 INFO L225 Difference]: With dead ends: 403 [2024-11-16 19:39:57,090 INFO L226 Difference]: Without dead ends: 206 [2024-11-16 19:39:57,091 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 [2024-11-16 19:39:57,094 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 282 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s 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, 3.7s IncrementalHoareTripleChecker+Time [2024-11-16 19:39:57,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 779 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-16 19:39:57,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-16 19:39:57,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2024-11-16 19:39:57,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 116 states have (on average 1.1724137931034482) internal successors, (136), 118 states have internal predecessors, (136), 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) [2024-11-16 19:39:57,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 289 transitions. [2024-11-16 19:39:57,124 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 289 transitions. Word has length 145 [2024-11-16 19:39:57,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 19:39:57,124 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 289 transitions. [2024-11-16 19:39:57,125 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) [2024-11-16 19:39:57,125 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 289 transitions. [2024-11-16 19:39:57,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-16 19:39:57,127 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:39:57,127 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] [2024-11-16 19:39:57,149 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 19:39:57,328 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 19:39:57,328 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:39:57,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:39:57,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1009046717, now seen corresponding path program 1 times [2024-11-16 19:39:57,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:39:57,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633437035] [2024-11-16 19:39:57,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:39:57,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:40:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:01,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:40:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:01,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 19:40:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:02,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 19:40:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:02,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 19:40:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:02,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 19:40:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:02,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 19:40:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:02,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:40:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:02,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:40:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:02,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 19:40:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:03,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 19:40:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:03,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-16 19:40:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:03,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-16 19:40:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:03,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 19:40:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:03,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 19:40:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:03,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 19:40:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:03,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 19:40:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:03,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 19:40:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:03,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 19:40:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:03,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 19:40:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:03,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 19:40:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:03,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 19:40:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:03,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 19:40:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:03,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 19:40:03,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:03,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 19:40:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:03,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 19:40:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:03,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:40:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:03,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 19:40:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:03,537 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-11-16 19:40:03,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:40:03,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633437035] [2024-11-16 19:40:03,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633437035] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 19:40:03,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551106635] [2024-11-16 19:40:03,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:40:03,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 19:40:03,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:40:03,541 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 19:40:03,542 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 19:40:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:08,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 4496 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-16 19:40:08,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 19:40:09,543 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-16 19:40:09,543 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 19:40:09,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551106635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:40:09,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 19:40:09,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-16 19:40:09,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124884701] [2024-11-16 19:40:09,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:40:09,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 19:40:09,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:40:09,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 19:40:09,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-16 19:40:09,545 INFO L87 Difference]: Start difference. First operand 206 states and 289 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) [2024-11-16 19:40:13,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 19:40:13,819 INFO L93 Difference]: Finished difference Result 379 states and 529 transitions. [2024-11-16 19:40:13,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 19:40:13,819 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 [2024-11-16 19:40:13,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 19:40:13,822 INFO L225 Difference]: With dead ends: 379 [2024-11-16 19:40:13,822 INFO L226 Difference]: Without dead ends: 206 [2024-11-16 19:40:13,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-16 19:40:13,824 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 280 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s 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, 3.6s IncrementalHoareTripleChecker+Time [2024-11-16 19:40:13,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 782 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-16 19:40:13,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-16 19:40:13,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2024-11-16 19:40:13,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 116 states have (on average 1.1724137931034482) internal successors, (136), 118 states have internal predecessors, (136), 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) [2024-11-16 19:40:13,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 287 transitions. [2024-11-16 19:40:13,844 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 287 transitions. Word has length 160 [2024-11-16 19:40:13,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 19:40:13,846 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 287 transitions. [2024-11-16 19:40:13,847 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) [2024-11-16 19:40:13,847 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 287 transitions. [2024-11-16 19:40:13,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-16 19:40:13,850 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:40:13,851 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] [2024-11-16 19:40:13,876 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-16 19:40:14,051 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 19:40:14,052 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:40:14,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:40:14,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1587383334, now seen corresponding path program 2 times [2024-11-16 19:40:14,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:40:14,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432539740] [2024-11-16 19:40:14,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:40:14,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:40:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:18,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:40:18,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:18,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 19:40:18,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:19,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 19:40:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:19,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 19:40:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:19,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 19:40:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:19,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 19:40:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:19,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:40:19,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:19,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:40:19,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:19,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 19:40:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:19,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 19:40:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:19,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-16 19:40:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:19,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-16 19:40:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:19,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 19:40:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:19,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 19:40:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:19,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 19:40:19,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:19,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:40:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:19,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:40:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:19,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 19:40:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:19,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 19:40:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:19,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 19:40:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:19,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 19:40:19,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:19,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 19:40:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:19,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 19:40:19,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:20,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 19:40:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:20,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 19:40:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:20,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 19:40:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:20,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 19:40:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:20,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:40:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:20,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 19:40:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:20,336 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-16 19:40:20,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:40:20,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432539740] [2024-11-16 19:40:20,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432539740] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 19:40:20,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991807602] [2024-11-16 19:40:20,337 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 19:40:20,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 19:40:20,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:40:20,339 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 19:40:20,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 19:40:24,848 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-16 19:40:24,848 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 19:40:24,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 3932 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-16 19:40:24,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 19:40:25,810 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-16 19:40:25,810 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 19:40:25,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [991807602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:40:25,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 19:40:25,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-16 19:40:25,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678985710] [2024-11-16 19:40:25,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:40:25,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 19:40:25,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:40:25,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 19:40:25,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-11-16 19:40:25,813 INFO L87 Difference]: Start difference. First operand 206 states and 287 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-16 19:40:26,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 19:40:26,066 INFO L93 Difference]: Finished difference Result 265 states and 363 transitions. [2024-11-16 19:40:26,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 19:40:26,067 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 175 [2024-11-16 19:40:26,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 19:40:26,070 INFO L225 Difference]: With dead ends: 265 [2024-11-16 19:40:26,070 INFO L226 Difference]: Without dead ends: 211 [2024-11-16 19:40:26,071 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-11-16 19:40:26,074 INFO L432 NwaCegarLoop]: 273 mSDtfsCounter, 0 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1086 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 19:40:26,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1086 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 19:40:26,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-11-16 19:40:26,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2024-11-16 19:40:26,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 120 states have (on average 1.1666666666666667) internal successors, (140), 122 states have internal predecessors, (140), 71 states have call successors, (71), 17 states have call predecessors, (71), 19 states have return successors, (82), 71 states have call predecessors, (82), 70 states have call successors, (82) [2024-11-16 19:40:26,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 293 transitions. [2024-11-16 19:40:26,099 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 293 transitions. Word has length 175 [2024-11-16 19:40:26,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 19:40:26,099 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 293 transitions. [2024-11-16 19:40:26,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-16 19:40:26,100 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 293 transitions. [2024-11-16 19:40:26,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-16 19:40:26,102 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:40:26,102 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 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, 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] [2024-11-16 19:40:26,126 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-16 19:40:26,302 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 [2024-11-16 19:40:26,302 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:40:26,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:40:26,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1208333354, now seen corresponding path program 1 times [2024-11-16 19:40:26,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:40:26,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251261625] [2024-11-16 19:40:26,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:40:26,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:40:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:30,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:40:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:30,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 19:40:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:31,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 19:40:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:31,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 19:40:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:31,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 19:40:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:31,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 19:40:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:31,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:40:31,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:31,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:40:31,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:31,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 19:40:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:31,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 19:40:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:31,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-16 19:40:31,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:31,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-16 19:40:31,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:31,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 19:40:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:31,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 19:40:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:31,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 19:40:31,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:31,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:40:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:31,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:40:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:31,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 19:40:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:31,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 19:40:31,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:31,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 19:40:31,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:31,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 19:40:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:31,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 19:40:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:31,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 19:40:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:32,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 19:40:32,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:32,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 19:40:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:32,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 19:40:32,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:32,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 19:40:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:32,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:40:32,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:32,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 19:40:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:32,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 19:40:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:32,624 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-16 19:40:32,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:40:32,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251261625] [2024-11-16 19:40:32,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251261625] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 19:40:32,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929045534] [2024-11-16 19:40:32,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:40:32,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 19:40:32,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:40:32,626 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) [2024-11-16 19:40:32,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-16 19:40:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:37,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 4627 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-16 19:40:37,379 INFO L278 TraceCheckSpWp]: Computing forward predicates...