./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/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 fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/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-wip.dd.update-z3-fca748b-m [2024-11-20 09:50:46,536 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 09:50:46,591 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 09:50:46,595 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 09:50:46,596 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 09:50:46,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 09:50:46,626 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 09:50:46,626 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 09:50:46,626 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 09:50:46,626 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 09:50:46,627 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 09:50:46,628 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 09:50:46,628 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 09:50:46,628 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 09:50:46,628 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 09:50:46,629 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 09:50:46,631 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 09:50:46,631 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 09:50:46,631 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 09:50:46,631 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 09:50:46,631 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 09:50:46,634 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 09:50:46,635 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 09:50:46,635 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 09:50:46,635 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 09:50:46,635 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 09:50:46,635 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 09:50:46,635 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 09:50:46,636 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 09:50:46,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 09:50:46,636 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 09:50:46,636 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 09:50:46,636 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 09:50:46,636 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 09:50:46,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 09:50:46,637 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 09:50:46,637 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 09:50:46,637 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 09:50:46,637 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 09:50:46,637 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 222962222638f0fcfd5888fac8242f8ce08239110602155fe31bfd0578d28673 [2024-11-20 09:50:46,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 09:50:46,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 09:50:46,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 09:50:46,853 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 09:50:46,854 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 09:50:46,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness_negated.i [2024-11-20 09:50:48,050 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 09:50:48,428 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 09:50:48,432 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness_negated.i [2024-11-20 09:50:48,459 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/542857819/85ee8651c6304de0a02811b4f3e65b44/FLAG7a60222a2 [2024-11-20 09:50:48,607 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/542857819/85ee8651c6304de0a02811b4f3e65b44 [2024-11-20 09:50:48,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 09:50:48,611 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 09:50:48,612 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 09:50:48,613 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 09:50:48,617 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 09:50:48,617 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:50:48" (1/1) ... [2024-11-20 09:50:48,620 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6626acaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:48, skipping insertion in model container [2024-11-20 09:50:48,620 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:50:48" (1/1) ... [2024-11-20 09:50:48,692 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 09:50:48,925 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] [2024-11-20 09:50:48,934 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] [2024-11-20 09:50:49,444 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:49,445 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:49,449 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:49,449 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:49,452 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:49,462 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:49,463 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:49,464 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:49,466 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:49,467 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:49,467 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:49,468 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:49,468 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:49,749 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:49,749 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:49,752 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:49,792 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:49,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 09:50:49,909 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 09:50:49,925 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] [2024-11-20 09:50:49,925 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] [2024-11-20 09:50:49,959 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:49,960 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:49,960 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:49,960 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:49,961 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:49,967 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:49,967 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:49,968 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:49,968 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:49,969 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:49,969 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:49,970 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:49,970 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:50,035 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:50,035 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:50,036 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:50,040 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:50,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7743-7754] [2024-11-20 09:50:50,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 09:50:50,221 INFO L204 MainTranslator]: Completed translation [2024-11-20 09:50:50,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:50 WrapperNode [2024-11-20 09:50:50,222 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 09:50:50,223 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 09:50:50,223 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 09:50:50,223 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 09:50:50,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:50" (1/1) ... [2024-11-20 09:50:50,293 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:50" (1/1) ... [2024-11-20 09:50:50,360 INFO L138 Inliner]: procedures = 680, calls = 1678, calls flagged for inlining = 52, calls inlined = 7, statements flattened = 718 [2024-11-20 09:50:50,361 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 09:50:50,361 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 09:50:50,362 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 09:50:50,362 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 09:50:50,377 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:50" (1/1) ... [2024-11-20 09:50:50,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:50" (1/1) ... [2024-11-20 09:50:50,391 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:50" (1/1) ... [2024-11-20 09:50:50,458 INFO L175 MemorySlicer]: Split 313 memory accesses to 5 slices as follows [238, 2, 7, 57, 9]. 76 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [6, 2, 5, 10, 1]. The 241 writes are split as follows [232, 0, 1, 7, 1]. [2024-11-20 09:50:50,458 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:50" (1/1) ... [2024-11-20 09:50:50,458 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:50" (1/1) ... [2024-11-20 09:50:50,491 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:50" (1/1) ... [2024-11-20 09:50:50,496 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:50" (1/1) ... [2024-11-20 09:50:50,506 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:50" (1/1) ... [2024-11-20 09:50:50,514 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:50" (1/1) ... [2024-11-20 09:50:50,527 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 09:50:50,529 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 09:50:50,530 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 09:50:50,530 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 09:50:50,531 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:50" (1/1) ... [2024-11-20 09:50:50,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 09:50:50,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 09:50:50,568 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) [2024-11-20 09:50:50,575 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 [2024-11-20 09:50:50,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 09:50:50,620 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-20 09:50:50,620 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-20 09:50:50,620 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-20 09:50:50,620 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-20 09:50:50,620 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 09:50:50,621 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 09:50:50,621 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-20 09:50:50,621 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-20 09:50:50,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 09:50:50,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 09:50:50,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 09:50:50,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 09:50:50,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 09:50:50,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 09:50:50,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 09:50:50,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 09:50:50,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 09:50:50,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 09:50:50,623 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-20 09:50:50,623 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-20 09:50:50,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 09:50:50,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 09:50:50,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 09:50:50,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 09:50:50,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 09:50:50,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 09:50:50,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 09:50:50,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 09:50:50,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 09:50:50,626 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-20 09:50:50,626 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-20 09:50:50,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 09:50:50,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 09:50:50,626 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 09:50:50,626 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 09:50:50,627 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-20 09:50:50,627 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-20 09:50:50,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 09:50:50,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 09:50:50,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 09:50:50,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 09:50:50,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 09:50:50,628 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-20 09:50:50,628 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-20 09:50:50,628 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-20 09:50:50,628 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-20 09:50:50,628 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 09:50:50,628 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 09:50:50,628 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-20 09:50:50,628 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-20 09:50:50,628 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-20 09:50:50,628 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-20 09:50:50,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 09:50:50,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 09:50:50,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 09:50:50,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 09:50:50,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 09:50:50,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 09:50:50,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 09:50:50,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 09:50:50,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 09:50:50,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 09:50:50,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 09:50:50,629 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-20 09:50:50,629 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-20 09:50:50,629 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-20 09:50:50,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-20 09:50:50,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 09:50:50,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 09:50:50,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 09:50:50,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 09:50:50,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 09:50:50,630 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-20 09:50:50,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-20 09:50:50,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 09:50:50,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 09:50:50,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 09:50:50,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 09:50:50,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 09:50:50,896 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 09:50:50,898 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 09:50:56,911 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-11-20 09:50:56,912 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 09:50:56,926 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 09:50:56,927 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 09:50:56,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:50:56 BoogieIcfgContainer [2024-11-20 09:50:56,928 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 09:50:56,930 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 09:50:56,930 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 09:50:56,932 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 09:50:56,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:50:48" (1/3) ... [2024-11-20 09:50:56,933 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e304600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:50:56, skipping insertion in model container [2024-11-20 09:50:56,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:50" (2/3) ... [2024-11-20 09:50:56,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e304600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:50:56, skipping insertion in model container [2024-11-20 09:50:56,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:50:56" (3/3) ... [2024-11-20 09:50:56,935 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_copy_harness_negated.i [2024-11-20 09:50:56,949 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 09:50:56,949 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 09:50:57,011 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 09:50:57,018 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;@5d7a4a79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 09:50:57,020 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 09:50:57,024 INFO L276 IsEmpty]: Start isEmpty. Operand has 209 states, 119 states have (on average 1.184873949579832) internal successors, (141), 120 states have internal predecessors, (141), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-20 09:50:57,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-20 09:50:57,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:50:57,039 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] [2024-11-20 09:50:57,040 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:50:57,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:50:57,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1329126664, now seen corresponding path program 1 times [2024-11-20 09:50:57,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:50:57,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027621261] [2024-11-20 09:50:57,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:50:57,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:51:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:01,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 09:51:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:01,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 09:51:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:02,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 09:51:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:02,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 09:51:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:02,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 09:51:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:02,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:51:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:02,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 09:51:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:02,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 09:51:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:02,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-20 09:51:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:02,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 09:51:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:02,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 09:51:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:02,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 09:51:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:02,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 09:51:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:02,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 09:51:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:02,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 09:51:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:02,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 09:51:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:02,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 09:51:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:02,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 09:51:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:02,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 09:51:02,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:02,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:51:02,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:02,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:51:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:02,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-20 09:51:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:02,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 09:51:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:02,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 09:51:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:02,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 09:51:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:02,864 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2024-11-20 09:51:02,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:51:02,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027621261] [2024-11-20 09:51:02,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027621261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:51:02,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:51:02,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 09:51:02,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581102696] [2024-11-20 09:51:02,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:51:02,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 09:51:02,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:51:02,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 09:51:02,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 09:51:02,892 INFO L87 Difference]: Start difference. First operand has 209 states, 119 states have (on average 1.184873949579832) internal successors, (141), 120 states have internal predecessors, (141), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-20 09:51:06,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 09:51:11,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 09:51:15,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 09:51:22,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:51:22,447 INFO L93 Difference]: Finished difference Result 442 states and 648 transitions. [2024-11-20 09:51:22,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 09:51:22,450 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 [2024-11-20 09:51:22,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:51:22,465 INFO L225 Difference]: With dead ends: 442 [2024-11-20 09:51:22,466 INFO L226 Difference]: Without dead ends: 232 [2024-11-20 09:51:22,472 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 [2024-11-20 09:51:22,475 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 215 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 272 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 272 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.9s IncrementalHoareTripleChecker+Time [2024-11-20 09:51:22,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 239 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [272 Valid, 336 Invalid, 3 Unknown, 0 Unchecked, 18.9s Time] [2024-11-20 09:51:22,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-20 09:51:22,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 204. [2024-11-20 09:51:22,530 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) [2024-11-20 09:51:22,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 276 transitions. [2024-11-20 09:51:22,533 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 276 transitions. Word has length 145 [2024-11-20 09:51:22,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:51:22,534 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 276 transitions. [2024-11-20 09:51:22,534 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) [2024-11-20 09:51:22,534 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 276 transitions. [2024-11-20 09:51:22,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-20 09:51:22,538 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:51:22,538 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] [2024-11-20 09:51:22,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 09:51:22,539 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:51:22,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:51:22,540 INFO L85 PathProgramCache]: Analyzing trace with hash -433130932, now seen corresponding path program 1 times [2024-11-20 09:51:22,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:51:22,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544976984] [2024-11-20 09:51:22,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:51:22,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:51:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:26,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 09:51:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:26,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 09:51:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:27,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 09:51:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:27,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 09:51:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:27,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 09:51:27,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:27,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:51:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:27,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 09:51:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:27,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 09:51:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:27,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-20 09:51:27,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:27,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 09:51:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:27,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 09:51:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:27,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 09:51:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:27,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 09:51:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:27,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 09:51:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:27,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 09:51:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:27,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 09:51:27,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:27,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 09:51:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:27,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 09:51:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:27,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 09:51:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:27,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:51:27,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:27,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:51:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:27,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-20 09:51:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:28,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 09:51:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:28,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 09:51:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:28,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 09:51:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:28,084 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 09:51:28,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:51:28,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544976984] [2024-11-20 09:51:28,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544976984] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 09:51:28,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1047222801] [2024-11-20 09:51:28,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:51:28,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 09:51:28,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 09:51:28,088 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) [2024-11-20 09:51:28,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 09:51:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:32,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 4363 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 09:51:32,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 09:51:32,744 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2024-11-20 09:51:32,744 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 09:51:32,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1047222801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:51:32,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 09:51:32,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2024-11-20 09:51:32,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120853228] [2024-11-20 09:51:32,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:51:32,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 09:51:32,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:51:32,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 09:51:32,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 09:51:32,748 INFO L87 Difference]: Start difference. First operand 204 states and 276 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-20 09:51:32,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:51:32,840 INFO L93 Difference]: Finished difference Result 403 states and 547 transitions. [2024-11-20 09:51:32,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 09:51:32,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 145 [2024-11-20 09:51:32,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:51:32,845 INFO L225 Difference]: With dead ends: 403 [2024-11-20 09:51:32,845 INFO L226 Difference]: Without dead ends: 205 [2024-11-20 09:51:32,846 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 09:51:32,847 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 0 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 09:51:32,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 546 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 09:51:32,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-20 09:51:32,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2024-11-20 09:51:32,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 116 states have (on average 1.1724137931034482) internal successors, (136), 117 states have internal predecessors, (136), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-20 09:51:32,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 277 transitions. [2024-11-20 09:51:32,866 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 277 transitions. Word has length 145 [2024-11-20 09:51:32,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:51:32,867 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 277 transitions. [2024-11-20 09:51:32,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-20 09:51:32,867 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 277 transitions. [2024-11-20 09:51:32,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-20 09:51:32,869 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:51:32,869 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] [2024-11-20 09:51:32,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-20 09:51:33,069 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 [2024-11-20 09:51:33,070 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:51:33,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:51:33,071 INFO L85 PathProgramCache]: Analyzing trace with hash 995250632, now seen corresponding path program 1 times [2024-11-20 09:51:33,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:51:33,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057947114] [2024-11-20 09:51:33,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:51:33,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:51:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:37,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 09:51:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:37,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 09:51:37,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:37,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 09:51:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:37,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 09:51:37,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:37,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 09:51:37,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:38,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:51:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:38,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 09:51:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:38,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 09:51:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:38,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-20 09:51:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:38,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 09:51:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:38,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 09:51:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:38,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 09:51:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:38,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 09:51:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:38,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 09:51:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:38,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 09:51:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:38,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 09:51:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:38,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 09:51:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:38,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 09:51:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:38,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 09:51:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:38,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:51:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:38,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:51:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:38,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-20 09:51:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:39,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 09:51:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:39,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 09:51:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:39,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 09:51:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:39,042 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2024-11-20 09:51:39,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:51:39,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057947114] [2024-11-20 09:51:39,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057947114] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 09:51:39,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186509300] [2024-11-20 09:51:39,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:51:39,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 09:51:39,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 09:51:39,048 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) [2024-11-20 09:51:39,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 09:51:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:43,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 4369 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 09:51:43,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 09:51:44,708 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-20 09:51:44,708 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 09:51:44,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186509300] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:51:44,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 09:51:44,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-20 09:51:44,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985328957] [2024-11-20 09:51:44,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:51:44,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 09:51:44,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:51:44,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 09:51:44,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-20 09:51:44,714 INFO L87 Difference]: Start difference. First operand 205 states and 277 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-20 09:51:48,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:51:48,865 INFO L93 Difference]: Finished difference Result 405 states and 558 transitions. [2024-11-20 09:51:48,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 09:51:48,865 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 [2024-11-20 09:51:48,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:51:48,868 INFO L225 Difference]: With dead ends: 405 [2024-11-20 09:51:48,868 INFO L226 Difference]: Without dead ends: 207 [2024-11-20 09:51:48,869 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-20 09:51:48,869 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 282 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 779 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-20 09:51:48,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 779 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-20 09:51:48,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-20 09:51:48,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2024-11-20 09:51:48,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 117 states have (on average 1.170940170940171) internal successors, (137), 119 states have internal predecessors, (137), 71 states have call successors, (71), 17 states have call predecessors, (71), 18 states have return successors, (82), 70 states have call predecessors, (82), 70 states have call successors, (82) [2024-11-20 09:51:48,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 290 transitions. [2024-11-20 09:51:48,894 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 290 transitions. Word has length 145 [2024-11-20 09:51:48,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:51:48,895 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 290 transitions. [2024-11-20 09:51:48,895 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) [2024-11-20 09:51:48,895 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 290 transitions. [2024-11-20 09:51:48,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-20 09:51:48,897 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:51:48,897 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] [2024-11-20 09:51:48,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 09:51:49,100 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 [2024-11-20 09:51:49,101 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:51:49,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:51:49,101 INFO L85 PathProgramCache]: Analyzing trace with hash -139108393, now seen corresponding path program 1 times [2024-11-20 09:51:49,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:51:49,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274471110] [2024-11-20 09:51:49,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:51:49,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:51:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:53,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 09:51:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:53,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 09:51:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:53,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 09:51:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:53,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 09:51:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:53,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 09:51:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:54,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:51:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:54,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 09:51:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:54,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 09:51:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:54,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 09:51:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:54,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-20 09:51:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:54,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:51:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:54,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 09:51:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:54,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 09:51:54,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:54,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 09:51:54,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:54,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 09:51:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:54,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 09:51:54,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:54,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 09:51:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:54,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 09:51:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:54,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 09:51:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:54,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 09:51:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:54,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 09:51:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:54,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 09:51:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:54,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 09:51:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:54,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 09:51:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:54,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 09:51:54,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:54,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 09:51:54,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:54,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 09:51:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:54,876 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-11-20 09:51:54,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:51:54,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274471110] [2024-11-20 09:51:54,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274471110] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 09:51:54,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949614356] [2024-11-20 09:51:54,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:51:54,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 09:51:54,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 09:51:54,880 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) [2024-11-20 09:51:54,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 09:51:59,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:59,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 4496 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 09:51:59,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 09:52:00,840 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-20 09:52:00,840 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 09:52:00,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1949614356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:52:00,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 09:52:00,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-20 09:52:00,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977221230] [2024-11-20 09:52:00,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:52:00,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 09:52:00,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:52:00,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 09:52:00,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-20 09:52:00,843 INFO L87 Difference]: Start difference. First operand 207 states and 290 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-20 09:52:04,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:52:04,919 INFO L93 Difference]: Finished difference Result 380 states and 530 transitions. [2024-11-20 09:52:04,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 09:52:04,919 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 [2024-11-20 09:52:04,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:52:04,922 INFO L225 Difference]: With dead ends: 380 [2024-11-20 09:52:04,922 INFO L226 Difference]: Without dead ends: 207 [2024-11-20 09:52:04,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-20 09:52:04,923 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 280 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-20 09:52:04,924 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 782 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-20 09:52:04,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-20 09:52:04,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2024-11-20 09:52:04,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 117 states have (on average 1.170940170940171) internal successors, (137), 119 states have internal predecessors, (137), 71 states have call successors, (71), 17 states have call predecessors, (71), 18 states have return successors, (80), 70 states have call predecessors, (80), 70 states have call successors, (80) [2024-11-20 09:52:04,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 288 transitions. [2024-11-20 09:52:04,947 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 288 transitions. Word has length 160 [2024-11-20 09:52:04,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:52:04,948 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 288 transitions. [2024-11-20 09:52:04,948 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) [2024-11-20 09:52:04,948 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 288 transitions. [2024-11-20 09:52:04,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-20 09:52:04,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:52:04,951 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] [2024-11-20 09:52:04,970 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-20 09:52:05,152 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 [2024-11-20 09:52:05,152 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:52:05,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:52:05,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1577477002, now seen corresponding path program 2 times [2024-11-20 09:52:05,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:52:05,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606019786] [2024-11-20 09:52:05,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:52:05,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:52:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:09,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 09:52:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:09,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 09:52:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:09,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 09:52:09,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:09,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 09:52:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:09,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 09:52:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:10,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:52:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:10,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 09:52:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:10,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 09:52:10,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:10,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 09:52:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:10,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-20 09:52:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:10,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:52:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:10,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 09:52:10,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:10,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 09:52:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:10,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 09:52:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:10,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 09:52:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:10,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 09:52:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:10,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 09:52:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:10,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 09:52:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:10,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-20 09:52:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:10,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 09:52:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:10,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 09:52:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:10,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 09:52:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:10,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 09:52:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:11,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 09:52:11,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:11,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 09:52:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:11,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 09:52:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:11,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 09:52:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:11,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 09:52:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:11,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 09:52:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:11,253 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-20 09:52:11,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:52:11,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606019786] [2024-11-20 09:52:11,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606019786] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 09:52:11,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589195232] [2024-11-20 09:52:11,253 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 09:52:11,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 09:52:11,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 09:52:11,256 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) [2024-11-20 09:52:11,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 09:52:15,849 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-20 09:52:15,849 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 09:52:15,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 3932 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 09:52:15,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 09:52:16,759 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-20 09:52:16,760 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 09:52:16,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589195232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:52:16,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 09:52:16,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-20 09:52:16,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761994425] [2024-11-20 09:52:16,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:52:16,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 09:52:16,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:52:16,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 09:52:16,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-11-20 09:52:16,764 INFO L87 Difference]: Start difference. First operand 207 states and 288 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) [2024-11-20 09:52:17,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:52:17,017 INFO L93 Difference]: Finished difference Result 266 states and 364 transitions. [2024-11-20 09:52:17,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 09:52:17,017 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 [2024-11-20 09:52:17,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:52:17,019 INFO L225 Difference]: With dead ends: 266 [2024-11-20 09:52:17,019 INFO L226 Difference]: Without dead ends: 212 [2024-11-20 09:52:17,020 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-11-20 09:52:17,020 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 [2024-11-20 09:52:17,021 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] [2024-11-20 09:52:17,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-20 09:52:17,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2024-11-20 09:52:17,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 121 states have (on average 1.165289256198347) internal successors, (141), 123 states have internal predecessors, (141), 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) [2024-11-20 09:52:17,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 294 transitions. [2024-11-20 09:52:17,036 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 294 transitions. Word has length 175 [2024-11-20 09:52:17,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:52:17,037 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 294 transitions. [2024-11-20 09:52:17,037 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) [2024-11-20 09:52:17,037 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 294 transitions. [2024-11-20 09:52:17,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-20 09:52:17,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:52:17,039 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] [2024-11-20 09:52:17,058 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-20 09:52:17,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 09:52:17,240 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:52:17,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:52:17,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1443434910, now seen corresponding path program 1 times [2024-11-20 09:52:17,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:52:17,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249907952] [2024-11-20 09:52:17,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:52:17,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:52:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat