./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_push_back_harness.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_push_back_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ff502e881eb1ce65711f1131688c06c00f482d17207657a0aaf21c7da411f1b1 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 09:53:41,994 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 09:53:42,073 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 09:53:42,081 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 09:53:42,083 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 09:53:42,114 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 09:53:42,115 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 09:53:42,115 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 09:53:42,116 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 09:53:42,116 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 09:53:42,117 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 09:53:42,117 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 09:53:42,118 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 09:53:42,118 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 09:53:42,119 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 09:53:42,119 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 09:53:42,120 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 09:53:42,120 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 09:53:42,120 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 09:53:42,121 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 09:53:42,121 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 09:53:42,122 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 09:53:42,122 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 09:53:42,122 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 09:53:42,123 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 09:53:42,123 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 09:53:42,123 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 09:53:42,124 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 09:53:42,124 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 09:53:42,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 09:53:42,125 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 09:53:42,125 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 09:53:42,125 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 09:53:42,126 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 09:53:42,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 09:53:42,126 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 09:53:42,127 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 09:53:42,127 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 09:53:42,127 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 09:53:42,128 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff502e881eb1ce65711f1131688c06c00f482d17207657a0aaf21c7da411f1b1 [2024-11-20 09:53:42,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 09:53:42,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 09:53:42,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 09:53:42,429 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 09:53:42,430 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 09:53:42,431 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i [2024-11-20 09:53:43,936 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 09:53:44,433 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 09:53:44,434 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i [2024-11-20 09:53:44,481 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1865b62b/cafbca9f16604b74a7f4d41a28d706b6/FLAG739ef05a3 [2024-11-20 09:53:44,500 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1865b62b/cafbca9f16604b74a7f4d41a28d706b6 [2024-11-20 09:53:44,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 09:53:44,506 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 09:53:44,509 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 09:53:44,509 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 09:53:44,515 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 09:53:44,516 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:53:44" (1/1) ... [2024-11-20 09:53:44,519 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6496eb97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:53:44, skipping insertion in model container [2024-11-20 09:53:44,519 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:53:44" (1/1) ... [2024-11-20 09:53:44,618 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 09:53:44,967 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_push_back_harness.i[4498,4511] [2024-11-20 09:53:44,978 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_push_back_harness.i[4558,4571] [2024-11-20 09:53:46,076 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:53:46,077 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:53:46,077 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:53:46,078 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:53:46,079 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:53:46,091 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:53:46,092 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:53:46,096 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:53:46,097 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:53:46,099 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:53:46,100 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:53:46,100 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:53:46,101 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:53:46,499 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:53:46,511 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:53:46,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 09:53:46,640 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 09:53:46,655 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_push_back_harness.i[4498,4511] [2024-11-20 09:53:46,656 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_push_back_harness.i[4558,4571] [2024-11-20 09:53:46,723 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:53:46,724 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:53:46,724 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:53:46,724 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:53:46,725 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:53:46,735 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:53:46,735 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:53:46,736 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:53:46,736 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:53:46,741 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:53:46,742 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:53:46,742 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:53:46,742 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:53:46,822 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:53:46,828 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:53:46,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7770-7781] [2024-11-20 09:53:46,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 09:53:47,082 INFO L204 MainTranslator]: Completed translation [2024-11-20 09:53:47,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:53:47 WrapperNode [2024-11-20 09:53:47,083 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 09:53:47,084 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 09:53:47,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 09:53:47,085 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 09:53:47,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:53:47" (1/1) ... [2024-11-20 09:53:47,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:53:47" (1/1) ... [2024-11-20 09:53:47,267 INFO L138 Inliner]: procedures = 680, calls = 1677, calls flagged for inlining = 52, calls inlined = 13, statements flattened = 898 [2024-11-20 09:53:47,272 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 09:53:47,272 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 09:53:47,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 09:53:47,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 09:53:47,285 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:53:47" (1/1) ... [2024-11-20 09:53:47,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:53:47" (1/1) ... [2024-11-20 09:53:47,305 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:53:47" (1/1) ... [2024-11-20 09:53:47,396 INFO L175 MemorySlicer]: Split 334 memory accesses to 6 slices as follows [238, 2, 6, 74, 8, 6]. 71 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [6, 2, 1, 10, 5, 0]. The 241 writes are split as follows [232, 0, 1, 6, 0, 2]. [2024-11-20 09:53:47,397 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:53:47" (1/1) ... [2024-11-20 09:53:47,400 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:53:47" (1/1) ... [2024-11-20 09:53:47,434 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:53:47" (1/1) ... [2024-11-20 09:53:47,438 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:53:47" (1/1) ... [2024-11-20 09:53:47,446 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:53:47" (1/1) ... [2024-11-20 09:53:47,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:53:47" (1/1) ... [2024-11-20 09:53:47,463 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 09:53:47,464 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 09:53:47,465 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 09:53:47,465 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 09:53:47,466 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:53:47" (1/1) ... [2024-11-20 09:53:47,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 09:53:47,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 09:53:47,507 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 09:53:47,511 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 09:53:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 09:53:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-20 09:53:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-20 09:53:47,554 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-20 09:53:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-20 09:53:47,555 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 09:53:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 09:53:47,555 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-20 09:53:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-20 09:53:47,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 09:53:47,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 09:53:47,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 09:53:47,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 09:53:47,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 09:53:47,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 09:53:47,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 09:53:47,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 09:53:47,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 09:53:47,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 09:53:47,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 09:53:47,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 09:53:47,557 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-20 09:53:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-20 09:53:47,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 09:53:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 09:53:47,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 09:53:47,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 09:53:47,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 09:53:47,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 09:53:47,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 09:53:47,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 09:53:47,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 09:53:47,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 09:53:47,560 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-20 09:53:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-20 09:53:47,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 09:53:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 09:53:47,560 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 09:53:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 09:53:47,560 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-20 09:53:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-20 09:53:47,560 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-20 09:53:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-20 09:53:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-20 09:53:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-20 09:53:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 09:53:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 09:53:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 09:53:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 09:53:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 09:53:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 09:53:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-20 09:53:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-20 09:53:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-20 09:53:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-20 09:53:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-20 09:53:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-20 09:53:47,563 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 09:53:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 09:53:47,563 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-20 09:53:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-20 09:53:47,564 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-20 09:53:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-20 09:53:47,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 09:53:47,564 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-20 09:53:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-20 09:53:47,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 09:53:47,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 09:53:47,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 09:53:47,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 09:53:47,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 09:53:47,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 09:53:47,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 09:53:47,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 09:53:47,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 09:53:47,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 09:53:47,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 09:53:47,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 09:53:47,565 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-20 09:53:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-20 09:53:47,565 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-20 09:53:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-20 09:53:47,566 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-20 09:53:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-20 09:53:47,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 09:53:47,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 09:53:47,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 09:53:47,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 09:53:47,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 09:53:47,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 09:53:47,567 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-20 09:53:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-20 09:53:47,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 09:53:47,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 09:53:47,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 09:53:47,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 09:53:47,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 09:53:47,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 09:53:47,969 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 09:53:47,972 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 09:53:54,394 INFO L? ?]: Removed 190 outVars from TransFormulas that were not future-live. [2024-11-20 09:53:54,395 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 09:53:54,422 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 09:53:54,426 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 09:53:54,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:53:54 BoogieIcfgContainer [2024-11-20 09:53:54,426 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 09:53:54,429 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 09:53:54,430 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 09:53:54,434 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 09:53:54,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:53:44" (1/3) ... [2024-11-20 09:53:54,435 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@564e0556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:53:54, skipping insertion in model container [2024-11-20 09:53:54,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:53:47" (2/3) ... [2024-11-20 09:53:54,435 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@564e0556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:53:54, skipping insertion in model container [2024-11-20 09:53:54,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:53:54" (3/3) ... [2024-11-20 09:53:54,437 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_push_back_harness.i [2024-11-20 09:53:54,456 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 09:53:54,457 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 09:53:54,534 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 09:53:54,540 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;@435bd6b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 09:53:54,541 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 09:53:54,546 INFO L276 IsEmpty]: Start isEmpty. Operand has 304 states, 177 states have (on average 1.2203389830508475) internal successors, (216), 178 states have internal predecessors, (216), 103 states have call successors, (103), 22 states have call predecessors, (103), 22 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-20 09:53:54,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-20 09:53:54,560 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:53:54,561 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 09:53:54,562 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:53:54,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:53:54,567 INFO L85 PathProgramCache]: Analyzing trace with hash 923240142, now seen corresponding path program 1 times [2024-11-20 09:53:54,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:53:54,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116815803] [2024-11-20 09:53:54,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:53:54,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:54:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:00,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 09:54:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:00,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 09:54:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:01,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 09:54:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:01,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 09:54:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:01,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 09:54:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:01,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:54:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:01,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 09:54:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:01,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 09:54:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:01,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 09:54:01,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:01,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 09:54:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:01,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 09:54:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:01,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 09:54:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:01,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 09:54:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:01,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 09:54:01,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:01,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 09:54:01,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:01,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 09:54:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:01,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 09:54:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:01,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 09:54:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:01,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 09:54:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:01,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 09:54:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:01,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 09:54:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:01,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 09:54:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:01,841 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-20 09:54:01,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:54:01,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116815803] [2024-11-20 09:54:01,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116815803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:54:01,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:54:01,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 09:54:01,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998045086] [2024-11-20 09:54:01,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:54:01,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 09:54:01,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:54:01,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 09:54:01,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 09:54:01,890 INFO L87 Difference]: Start difference. First operand has 304 states, 177 states have (on average 1.2203389830508475) internal successors, (216), 178 states have internal predecessors, (216), 103 states have call successors, (103), 22 states have call predecessors, (103), 22 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 09:54:05,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 09:54:10,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 09:54:14,787 WARN L539 Checker$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 09:54:20,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:54:20,610 INFO L93 Difference]: Finished difference Result 630 states and 957 transitions. [2024-11-20 09:54:20,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 09:54:20,613 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 135 [2024-11-20 09:54:20,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:54:20,625 INFO L225 Difference]: With dead ends: 630 [2024-11-20 09:54:20,625 INFO L226 Difference]: Without dead ends: 328 [2024-11-20 09:54:20,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-20 09:54:20,635 INFO L432 NwaCegarLoop]: 282 mSDtfsCounter, 252 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 396 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 396 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2024-11-20 09:54:20,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 407 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [396 Valid, 270 Invalid, 3 Unknown, 0 Unchecked, 18.0s Time] [2024-11-20 09:54:20,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-11-20 09:54:20,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 299. [2024-11-20 09:54:20,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 173 states have (on average 1.2138728323699421) internal successors, (210), 174 states have internal predecessors, (210), 103 states have call successors, (103), 22 states have call predecessors, (103), 22 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-20 09:54:20,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 415 transitions. [2024-11-20 09:54:20,769 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 415 transitions. Word has length 135 [2024-11-20 09:54:20,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:54:20,770 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 415 transitions. [2024-11-20 09:54:20,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 09:54:20,773 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 415 transitions. [2024-11-20 09:54:20,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-20 09:54:20,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:54:20,779 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 09:54:20,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 09:54:20,780 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:54:20,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:54:20,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1016118612, now seen corresponding path program 1 times [2024-11-20 09:54:20,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:54:20,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740829360] [2024-11-20 09:54:20,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:54:20,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:54:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:26,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 09:54:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:26,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 09:54:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:27,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 09:54:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:27,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 09:54:27,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:27,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 09:54:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:27,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:54:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:28,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 09:54:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:28,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 09:54:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:28,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 09:54:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:28,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 09:54:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:28,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 09:54:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:28,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 09:54:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:28,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 09:54:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:28,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 09:54:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:28,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 09:54:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:28,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 09:54:28,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:28,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 09:54:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:28,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 09:54:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:28,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 09:54:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:28,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 09:54:28,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:28,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 09:54:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:28,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 09:54:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:28,717 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-11-20 09:54:28,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:54:28,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740829360] [2024-11-20 09:54:28,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740829360] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 09:54:28,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [168135829] [2024-11-20 09:54:28,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:54:28,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 09:54:28,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 09:54:28,722 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 09:54:28,723 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 09:54:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:33,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 4275 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 09:54:33,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 09:54:35,075 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-20 09:54:35,075 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 09:54:35,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [168135829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:54:35,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 09:54:35,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-20 09:54:35,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443252880] [2024-11-20 09:54:35,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:54:35,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 09:54:35,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:54:35,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 09:54:35,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-20 09:54:35,079 INFO L87 Difference]: Start difference. First operand 299 states and 415 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-20 09:54:41,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:54:41,137 INFO L93 Difference]: Finished difference Result 574 states and 817 transitions. [2024-11-20 09:54:41,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 09:54:41,137 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 135 [2024-11-20 09:54:41,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:54:41,146 INFO L225 Difference]: With dead ends: 574 [2024-11-20 09:54:41,147 INFO L226 Difference]: Without dead ends: 301 [2024-11-20 09:54:41,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-20 09:54:41,150 INFO L432 NwaCegarLoop]: 323 mSDtfsCounter, 453 mSDsluCounter, 825 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 1148 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-11-20 09:54:41,150 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [455 Valid, 1148 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2024-11-20 09:54:41,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-20 09:54:41,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2024-11-20 09:54:41,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 174 states have (on average 1.2126436781609196) internal successors, (211), 176 states have internal predecessors, (211), 103 states have call successors, (103), 22 states have call predecessors, (103), 23 states have return successors, (121), 102 states have call predecessors, (121), 102 states have call successors, (121) [2024-11-20 09:54:41,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 435 transitions. [2024-11-20 09:54:41,192 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 435 transitions. Word has length 135 [2024-11-20 09:54:41,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:54:41,192 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 435 transitions. [2024-11-20 09:54:41,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-20 09:54:41,193 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 435 transitions. [2024-11-20 09:54:41,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-20 09:54:41,196 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:54:41,197 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 09:54:41,216 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 09:54:41,397 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 09:54:41,398 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:54:41,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:54:41,399 INFO L85 PathProgramCache]: Analyzing trace with hash 419431368, now seen corresponding path program 1 times [2024-11-20 09:54:41,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:54:41,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495996945] [2024-11-20 09:54:41,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:54:41,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:54:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:47,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 09:54:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:47,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 09:54:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:48,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 09:54:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:48,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 09:54:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:48,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 09:54:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:48,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:54:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:50,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 09:54:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:50,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 09:54:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:50,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 09:54:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:50,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-20 09:54:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:50,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 09:54:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:50,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 09:54:50,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:50,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 09:54:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:50,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 09:54:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:50,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 09:54:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:50,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 09:54:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:50,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 09:54:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:50,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 09:54:50,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:50,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-20 09:54:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:50,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-20 09:54:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:51,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 09:54:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:51,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-20 09:54:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:51,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 09:54:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:51,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 09:54:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:51,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 09:54:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:51,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 09:54:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:51,659 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-11-20 09:54:51,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:54:51,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495996945] [2024-11-20 09:54:51,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495996945] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 09:54:51,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607076657] [2024-11-20 09:54:51,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:54:51,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 09:54:51,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 09:54:51,667 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 09:54:51,669 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 09:54:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:54:56,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 4529 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 09:54:56,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 09:54:59,257 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-20 09:54:59,258 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 09:54:59,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607076657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:54:59,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 09:54:59,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2024-11-20 09:54:59,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905028014] [2024-11-20 09:54:59,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:54:59,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 09:54:59,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:54:59,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 09:54:59,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2024-11-20 09:54:59,262 INFO L87 Difference]: Start difference. First operand 301 states and 435 transitions. Second operand has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24)