./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_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 364b54724e976c015f9881f66521e5c6d863e13e3a8324ac15c0186b650523fa --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 11:09:28,252 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 11:09:28,342 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 11:09:28,351 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 11:09:28,352 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 11:09:28,381 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 11:09:28,383 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 11:09:28,384 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 11:09:28,384 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 11:09:28,386 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 11:09:28,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 11:09:28,387 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 11:09:28,388 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 11:09:28,389 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 11:09:28,390 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 11:09:28,390 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 11:09:28,390 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 11:09:28,390 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 11:09:28,391 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 11:09:28,391 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 11:09:28,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 11:09:28,395 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 11:09:28,395 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 11:09:28,395 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 11:09:28,395 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 11:09:28,396 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 11:09:28,396 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 11:09:28,396 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 11:09:28,396 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 11:09:28,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 11:09:28,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 11:09:28,397 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 11:09:28,397 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 11:09:28,397 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 11:09:28,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 11:09:28,398 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 11:09:28,398 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 11:09:28,398 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 11:09:28,398 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 11:09:28,399 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 364b54724e976c015f9881f66521e5c6d863e13e3a8324ac15c0186b650523fa [2024-11-10 11:09:28,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 11:09:28,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 11:09:28,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 11:09:28,667 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 11:09:28,667 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 11:09:28,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i [2024-11-10 11:09:30,127 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 11:09:30,655 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 11:09:30,657 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i [2024-11-10 11:09:30,702 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79f5a1681/e0c9f9701d0d4fb789a4a88e96a52d74/FLAGfbd8c8c3f [2024-11-10 11:09:30,717 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79f5a1681/e0c9f9701d0d4fb789a4a88e96a52d74 [2024-11-10 11:09:30,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 11:09:30,722 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 11:09:30,724 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 11:09:30,725 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 11:09:30,732 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 11:09:30,734 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:09:30" (1/1) ... [2024-11-10 11:09:30,735 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d2e8977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:30, skipping insertion in model container [2024-11-10 11:09:30,735 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:09:30" (1/1) ... [2024-11-10 11:09:30,846 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 11:09:31,195 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_string_new_from_array_harness.i[4499,4512] [2024-11-10 11:09:31,205 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_string_new_from_array_harness.i[4559,4572] [2024-11-10 11:09:32,017 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:32,022 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:32,022 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:32,023 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:32,024 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:32,041 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:32,045 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:32,049 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:32,051 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:32,692 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:32,693 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:32,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 11:09:32,890 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 11:09:32,907 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_string_new_from_array_harness.i[4499,4512] [2024-11-10 11:09:32,911 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_string_new_from_array_harness.i[4559,4572] [2024-11-10 11:09:32,950 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:32,951 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:32,952 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:32,952 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:32,953 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:32,962 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:32,964 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:32,964 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:32,965 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:33,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-10 11:09:33,174 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:33,174 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:33,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-10 11:09:33,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 11:09:33,472 INFO L204 MainTranslator]: Completed translation [2024-11-10 11:09:33,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:33 WrapperNode [2024-11-10 11:09:33,473 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 11:09:33,474 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 11:09:33,474 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 11:09:33,474 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 11:09:33,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:33" (1/1) ... [2024-11-10 11:09:33,637 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:33" (1/1) ... [2024-11-10 11:09:33,722 INFO L138 Inliner]: procedures = 679, calls = 2730, calls flagged for inlining = 58, calls inlined = 6, statements flattened = 791 [2024-11-10 11:09:33,722 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 11:09:33,723 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 11:09:33,724 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 11:09:33,724 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 11:09:33,737 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:33" (1/1) ... [2024-11-10 11:09:33,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:33" (1/1) ... [2024-11-10 11:09:33,752 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:33" (1/1) ... [2024-11-10 11:09:33,840 INFO L175 MemorySlicer]: Split 517 memory accesses to 6 slices as follows [2, 13, 257, 238, 2, 5]. 50 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 0, 0, 6, 0, 5]. The 494 writes are split as follows [0, 4, 257, 232, 1, 0]. [2024-11-10 11:09:33,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:33" (1/1) ... [2024-11-10 11:09:33,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:33" (1/1) ... [2024-11-10 11:09:33,901 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:33" (1/1) ... [2024-11-10 11:09:33,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:33" (1/1) ... [2024-11-10 11:09:33,918 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:33" (1/1) ... [2024-11-10 11:09:33,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:33" (1/1) ... [2024-11-10 11:09:33,942 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 11:09:33,943 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 11:09:33,943 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 11:09:33,944 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 11:09:33,945 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:33" (1/1) ... [2024-11-10 11:09:33,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 11:09:33,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 11:09:33,977 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) [2024-11-10 11:09:33,982 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 [2024-11-10 11:09:34,028 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-10 11:09:34,029 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-10 11:09:34,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 11:09:34,030 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 11:09:34,030 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 11:09:34,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-10 11:09:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-10 11:09:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-10 11:09:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-10 11:09:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-10 11:09:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-10 11:09:34,032 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-10 11:09:34,032 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-10 11:09:34,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-10 11:09:34,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-10 11:09:34,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-10 11:09:34,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-10 11:09:34,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-10 11:09:34,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-10 11:09:34,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 11:09:34,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 11:09:34,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 11:09:34,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 11:09:34,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 11:09:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-10 11:09:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 11:09:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 11:09:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 11:09:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 11:09:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 11:09:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 11:09:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-10 11:09:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-10 11:09:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-10 11:09:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-10 11:09:34,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-10 11:09:34,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-10 11:09:34,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-10 11:09:34,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-10 11:09:34,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-10 11:09:34,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-10 11:09:34,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-10 11:09:34,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-10 11:09:34,035 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-10 11:09:34,035 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-10 11:09:34,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 11:09:34,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 11:09:34,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 11:09:34,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 11:09:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 11:09:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 11:09:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 11:09:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 11:09:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 11:09:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 11:09:34,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 11:09:34,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 11:09:34,037 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 11:09:34,038 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 11:09:34,038 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-10 11:09:34,038 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-10 11:09:34,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-10 11:09:34,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-10 11:09:34,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-10 11:09:34,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-10 11:09:34,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-10 11:09:34,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-10 11:09:34,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 11:09:34,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 11:09:34,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 11:09:34,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 11:09:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 11:09:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 11:09:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-10 11:09:34,041 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-10 11:09:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 11:09:34,042 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 11:09:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-10 11:09:34,042 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-10 11:09:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 11:09:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-10 11:09:34,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-10 11:09:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 11:09:34,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 11:09:34,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 11:09:34,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 11:09:34,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 11:09:34,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 11:09:34,043 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2024-11-10 11:09:34,043 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2024-11-10 11:09:34,043 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-10 11:09:34,043 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-10 11:09:34,043 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-10 11:09:34,043 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-10 11:09:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-10 11:09:34,044 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-10 11:09:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 11:09:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 11:09:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 11:09:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 11:09:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 11:09:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 11:09:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-10 11:09:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-10 11:09:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-10 11:09:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-10 11:09:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-10 11:09:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-10 11:09:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 11:09:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 11:09:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 11:09:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 11:09:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 11:09:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 11:09:34,351 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 11:09:34,354 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 11:09:34,388 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-10 11:09:34,441 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6256: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2024-11-10 11:09:34,443 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2024-11-10 11:09:34,444 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-10 11:09:34,457 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2024-11-10 11:09:34,478 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 11:09:34,483 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6925: havoc #t~ret569.base, #t~ret569.offset; [2024-11-10 11:09:34,534 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8985-1: assume true; [2024-11-10 11:09:34,534 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8985-1: assume !true; [2024-11-10 11:09:34,812 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2024-11-10 11:09:42,701 INFO L? ?]: Removed 154 outVars from TransFormulas that were not future-live. [2024-11-10 11:09:42,701 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 11:09:42,720 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 11:09:42,721 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 11:09:42,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:09:42 BoogieIcfgContainer [2024-11-10 11:09:42,722 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 11:09:42,725 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 11:09:42,726 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 11:09:42,732 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 11:09:42,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:09:30" (1/3) ... [2024-11-10 11:09:42,734 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c64ef63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:09:42, skipping insertion in model container [2024-11-10 11:09:42,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:33" (2/3) ... [2024-11-10 11:09:42,735 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c64ef63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:09:42, skipping insertion in model container [2024-11-10 11:09:42,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:09:42" (3/3) ... [2024-11-10 11:09:42,737 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_array_harness.i [2024-11-10 11:09:42,754 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 11:09:42,754 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 11:09:42,827 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 11:09:42,836 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;@2df993c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 11:09:42,837 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 11:09:42,842 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 85 states have (on average 1.1764705882352942) internal successors, (100), 86 states have internal predecessors, (100), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-10 11:09:42,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-10 11:09:42,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 11:09:42,854 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-10 11:09:42,855 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 11:09:42,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 11:09:42,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1055982106, now seen corresponding path program 1 times [2024-11-10 11:09:42,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 11:09:42,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491106692] [2024-11-10 11:09:42,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:09:42,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 11:10:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:10:58,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:10:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:10:58,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 11:10:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:10:58,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 11:10:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:10:58,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:10:58,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:10:58,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 11:10:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:10:58,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 11:10:58,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:10:58,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 11:10:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:10:58,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 11:10:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:10:58,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:10:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:10:58,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 11:10:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:10:59,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 11:10:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:10:59,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:10:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:10:59,040 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-10 11:10:59,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 11:10:59,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491106692] [2024-11-10 11:10:59,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491106692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 11:10:59,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 11:10:59,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 11:10:59,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941660525] [2024-11-10 11:10:59,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 11:10:59,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 11:10:59,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 11:10:59,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 11:10:59,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 11:10:59,078 INFO L87 Difference]: Start difference. First operand has 136 states, 85 states have (on average 1.1764705882352942) internal successors, (100), 86 states have internal predecessors, (100), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-10 11:11:03,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 11:11:07,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.47s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []