./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 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_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-3289d67-m [2024-11-16 20:06:40,712 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 20:06:40,780 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 20:06:40,784 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 20:06:40,786 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 20:06:40,808 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 20:06:40,810 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 20:06:40,810 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 20:06:40,811 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 20:06:40,812 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 20:06:40,813 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 20:06:40,813 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 20:06:40,814 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 20:06:40,814 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 20:06:40,814 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 20:06:40,815 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 20:06:40,817 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 20:06:40,817 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 20:06:40,817 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 20:06:40,817 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 20:06:40,818 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 20:06:40,818 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 20:06:40,818 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 20:06:40,819 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 20:06:40,819 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 20:06:40,819 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 20:06:40,820 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 20:06:40,820 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 20:06:40,820 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 20:06:40,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:06:40,821 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 20:06:40,821 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 20:06:40,821 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 20:06:40,821 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 20:06:40,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 20:06:40,822 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 20:06:40,822 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 20:06:40,823 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 20:06:40,823 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 20:06:40,823 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 364b54724e976c015f9881f66521e5c6d863e13e3a8324ac15c0186b650523fa [2024-11-16 20:06:41,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 20:06:41,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 20:06:41,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 20:06:41,136 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 20:06:41,136 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 20:06:41,138 INFO L431 ainManager$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 [2024-11-16 20:06:42,577 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 20:06:43,029 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 20:06:43,030 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i [2024-11-16 20:06:43,085 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0ed62624/8e0437c2506440fcaa27970749004e0d/FLAG3f42c6c67 [2024-11-16 20:06:43,102 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0ed62624/8e0437c2506440fcaa27970749004e0d [2024-11-16 20:06:43,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 20:06:43,107 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 20:06:43,109 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 20:06:43,110 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 20:06:43,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 20:06:43,115 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:06:43" (1/1) ... [2024-11-16 20:06:43,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ea6ae22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:06:43, skipping insertion in model container [2024-11-16 20:06:43,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:06:43" (1/1) ... [2024-11-16 20:06:43,221 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 20:06:43,531 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] [2024-11-16 20:06:43,539 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] [2024-11-16 20:06:44,113 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:06:44,114 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:06:44,116 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:06:44,116 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:06:44,117 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:06:44,137 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:06:44,140 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:06:44,142 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:06:44,144 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:06:44,718 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:06:44,719 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:06:44,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:06:44,871 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 20:06:44,885 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] [2024-11-16 20:06:44,886 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] [2024-11-16 20:06:44,935 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:06:44,935 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:06:44,936 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:06:44,936 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:06:44,936 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:06:44,941 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:06:44,941 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:06:44,942 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:06:44,942 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:06:45,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-16 20:06:45,059 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:06:45,059 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:06:45,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-16 20:06:45,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:06:45,394 INFO L204 MainTranslator]: Completed translation [2024-11-16 20:06:45,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:06:45 WrapperNode [2024-11-16 20:06:45,395 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 20:06:45,396 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 20:06:45,396 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 20:06:45,396 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 20:06:45,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:06:45" (1/1) ... [2024-11-16 20:06:45,516 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:06:45" (1/1) ... [2024-11-16 20:06:45,595 INFO L138 Inliner]: procedures = 679, calls = 2730, calls flagged for inlining = 58, calls inlined = 6, statements flattened = 791 [2024-11-16 20:06:45,595 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 20:06:45,599 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 20:06:45,599 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 20:06:45,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 20:06:45,612 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:06:45" (1/1) ... [2024-11-16 20:06:45,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:06:45" (1/1) ... [2024-11-16 20:06:45,626 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:06:45" (1/1) ... [2024-11-16 20:06:45,731 INFO L175 MemorySlicer]: Split 517 memory accesses to 6 slices as follows [2, 257, 238, 13, 2, 5]. 50 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 0, 6, 0, 0, 5]. The 494 writes are split as follows [0, 257, 232, 4, 1, 0]. [2024-11-16 20:06:45,732 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:06:45" (1/1) ... [2024-11-16 20:06:45,732 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:06:45" (1/1) ... [2024-11-16 20:06:45,773 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:06:45" (1/1) ... [2024-11-16 20:06:45,774 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:06:45" (1/1) ... [2024-11-16 20:06:45,783 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:06:45" (1/1) ... [2024-11-16 20:06:45,788 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:06:45" (1/1) ... [2024-11-16 20:06:45,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 20:06:45,811 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 20:06:45,811 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 20:06:45,811 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 20:06:45,814 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:06:45" (1/1) ... [2024-11-16 20:06:45,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:06:45,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:06:45,849 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 20:06:45,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 20:06:45,900 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-16 20:06:45,902 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-16 20:06:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 20:06:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 20:06:45,902 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 20:06:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-16 20:06:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-16 20:06:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-16 20:06:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-16 20:06:45,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-16 20:06:45,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-16 20:06:45,903 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-16 20:06:45,903 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-16 20:06:45,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-16 20:06:45,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-16 20:06:45,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-16 20:06:45,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-16 20:06:45,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-16 20:06:45,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-16 20:06:45,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 20:06:45,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 20:06:45,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 20:06:45,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 20:06:45,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 20:06:45,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 20:06:45,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 20:06:45,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 20:06:45,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 20:06:45,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 20:06:45,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 20:06:45,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 20:06:45,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-16 20:06:45,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-16 20:06:45,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-16 20:06:45,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-16 20:06:45,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-16 20:06:45,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-16 20:06:45,908 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-16 20:06:45,908 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-16 20:06:45,909 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-16 20:06:45,909 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-16 20:06:45,909 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-16 20:06:45,910 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-16 20:06:45,911 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-16 20:06:45,911 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-16 20:06:45,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 20:06:45,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 20:06:45,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 20:06:45,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 20:06:45,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 20:06:45,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 20:06:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 20:06:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 20:06:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 20:06:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 20:06:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 20:06:45,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 20:06:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 20:06:45,913 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 20:06:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-16 20:06:45,913 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-16 20:06:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-16 20:06:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-16 20:06:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-16 20:06:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-16 20:06:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-16 20:06:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-16 20:06:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 20:06:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 20:06:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 20:06:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 20:06:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 20:06:45,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 20:06:45,916 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-16 20:06:45,916 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-16 20:06:45,916 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 20:06:45,916 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 20:06:45,916 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-16 20:06:45,916 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-16 20:06:45,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 20:06:45,916 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-16 20:06:45,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-16 20:06:45,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 20:06:45,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 20:06:45,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 20:06:45,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 20:06:45,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 20:06:45,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 20:06:45,917 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2024-11-16 20:06:45,918 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2024-11-16 20:06:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 20:06:45,919 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 20:06:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-16 20:06:45,919 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-16 20:06:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-16 20:06:45,919 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-16 20:06:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 20:06:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 20:06:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 20:06:45,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 20:06:45,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 20:06:45,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 20:06:45,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-16 20:06:45,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-16 20:06:45,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-16 20:06:45,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-16 20:06:45,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-16 20:06:45,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-16 20:06:45,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 20:06:45,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 20:06:45,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 20:06:45,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 20:06:45,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 20:06:45,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 20:06:46,295 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 20:06:46,298 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 20:06:46,326 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-16 20:06:46,376 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6256: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2024-11-16 20:06:46,378 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2024-11-16 20:06:46,380 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-16 20:06:46,404 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2024-11-16 20:06:46,423 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 20:06:46,434 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6925: havoc #t~ret569.base, #t~ret569.offset; [2024-11-16 20:06:46,469 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8985-1: assume true; [2024-11-16 20:06:46,470 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8985-1: assume !true; [2024-11-16 20:06:46,687 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2024-11-16 20:06:54,453 INFO L? ?]: Removed 154 outVars from TransFormulas that were not future-live. [2024-11-16 20:06:54,454 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 20:06:54,472 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 20:06:54,473 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 20:06:54,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:06:54 BoogieIcfgContainer [2024-11-16 20:06:54,474 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 20:06:54,476 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 20:06:54,476 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 20:06:54,480 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 20:06:54,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:06:43" (1/3) ... [2024-11-16 20:06:54,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56a5adf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:06:54, skipping insertion in model container [2024-11-16 20:06:54,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:06:45" (2/3) ... [2024-11-16 20:06:54,484 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56a5adf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:06:54, skipping insertion in model container [2024-11-16 20:06:54,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:06:54" (3/3) ... [2024-11-16 20:06:54,487 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_array_harness.i [2024-11-16 20:06:54,503 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 20:06:54,503 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 20:06:54,623 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 20:06:54,633 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;@121a0f41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 20:06:54,633 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 20:06:54,637 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) [2024-11-16 20:06:54,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-16 20:06:54,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:06:54,648 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] [2024-11-16 20:06:54,649 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:06:54,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:06:54,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1055982106, now seen corresponding path program 1 times [2024-11-16 20:06:54,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:06:54,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434478144] [2024-11-16 20:06:54,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:06:54,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:08:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:10,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:08:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:10,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 20:08:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:10,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:08:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:10,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:08:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:10,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 20:08:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:10,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 20:08:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:10,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 20:08:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:11,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 20:08:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:11,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:08:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:11,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 20:08:11,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:11,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:08:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:11,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:08:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:11,437 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-16 20:08:11,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:08:11,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434478144] [2024-11-16 20:08:11,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434478144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:08:11,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:08:11,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 20:08:11,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416738592] [2024-11-16 20:08:11,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:08:11,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 20:08:11,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:08:11,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 20:08:11,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:08:11,476 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) [2024-11-16 20:08:15,660 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 [] [2024-11-16 20:08:20,132 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 []