./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_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_byte_buf_write_be64_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 848e8aaf2da1050f60bda552a6204df78dfc0f4df819a9c6dc06d2a6a5e3d82f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 19:48:56,811 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 19:48:56,886 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 19:48:56,890 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 19:48:56,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 19:48:56,917 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 19:48:56,919 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 19:48:56,920 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 19:48:56,920 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 19:48:56,922 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 19:48:56,922 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 19:48:56,923 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 19:48:56,923 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 19:48:56,924 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 19:48:56,925 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 19:48:56,926 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 19:48:56,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 19:48:56,926 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 19:48:56,927 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 19:48:56,927 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 19:48:56,930 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 19:48:56,930 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 19:48:56,931 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 19:48:56,931 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 19:48:56,931 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 19:48:56,932 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 19:48:56,932 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 19:48:56,932 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 19:48:56,932 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 19:48:56,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:48:56,933 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 19:48:56,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 19:48:56,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 19:48:56,934 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 19:48:56,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 19:48:56,934 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 19:48:56,934 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 19:48:56,935 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 19:48:56,935 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 19:48:56,935 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 848e8aaf2da1050f60bda552a6204df78dfc0f4df819a9c6dc06d2a6a5e3d82f [2024-11-16 19:48:57,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 19:48:57,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 19:48:57,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 19:48:57,215 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 19:48:57,216 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 19:48:57,218 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i [2024-11-16 19:48:58,666 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 19:48:59,149 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 19:48:59,151 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i [2024-11-16 19:48:59,187 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5654a2666/7d2cdf3402d6467ea13bd5df40cdbb27/FLAG0ec5e6883 [2024-11-16 19:48:59,216 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5654a2666/7d2cdf3402d6467ea13bd5df40cdbb27 [2024-11-16 19:48:59,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 19:48:59,221 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 19:48:59,224 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 19:48:59,224 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 19:48:59,230 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 19:48:59,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:48:59" (1/1) ... [2024-11-16 19:48:59,232 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e118043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:59, skipping insertion in model container [2024-11-16 19:48:59,232 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:48:59" (1/1) ... [2024-11-16 19:48:59,336 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 19:48:59,606 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_byte_buf_write_be64_harness.i[4497,4510] [2024-11-16 19:48:59,613 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_byte_buf_write_be64_harness.i[4557,4570] [2024-11-16 19:49:00,367 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:00,368 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:00,368 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:00,369 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:00,370 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:00,392 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:00,393 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:00,394 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:00,396 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:01,056 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:01,056 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:01,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:49:01,183 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 19:49:01,195 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_byte_buf_write_be64_harness.i[4497,4510] [2024-11-16 19:49:01,196 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_byte_buf_write_be64_harness.i[4557,4570] [2024-11-16 19:49:01,233 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:01,233 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:01,233 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:01,234 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:01,234 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:01,241 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:01,245 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:01,246 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:01,247 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:01,374 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-16 19:49:01,376 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:01,376 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:01,388 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-16 19:49:01,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:49:01,721 INFO L204 MainTranslator]: Completed translation [2024-11-16 19:49:01,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:01 WrapperNode [2024-11-16 19:49:01,722 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 19:49:01,723 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 19:49:01,724 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 19:49:01,724 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 19:49:01,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:01" (1/1) ... [2024-11-16 19:49:01,884 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:01" (1/1) ... [2024-11-16 19:49:01,967 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 871 [2024-11-16 19:49:01,967 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 19:49:01,968 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 19:49:01,968 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 19:49:01,968 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 19:49:01,978 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:01" (1/1) ... [2024-11-16 19:49:01,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:01" (1/1) ... [2024-11-16 19:49:01,988 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:01" (1/1) ... [2024-11-16 19:49:02,065 INFO L175 MemorySlicer]: Split 564 memory accesses to 8 slices as follows [257, 2, 47, 238, 8, 4, 6, 2]. 46 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [0, 2, 8, 6, 5, 0, 0, 1]. The 497 writes are split as follows [257, 0, 3, 232, 1, 2, 2, 0]. [2024-11-16 19:49:02,065 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:01" (1/1) ... [2024-11-16 19:49:02,066 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:01" (1/1) ... [2024-11-16 19:49:02,104 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:01" (1/1) ... [2024-11-16 19:49:02,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:01" (1/1) ... [2024-11-16 19:49:02,114 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:01" (1/1) ... [2024-11-16 19:49:02,120 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:01" (1/1) ... [2024-11-16 19:49:02,140 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 19:49:02,145 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 19:49:02,145 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 19:49:02,145 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 19:49:02,146 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:01" (1/1) ... [2024-11-16 19:49:02,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:49:02,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:49:02,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 19:49:02,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 19:49:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton64 [2024-11-16 19:49:02,235 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton64 [2024-11-16 19:49:02,236 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-16 19:49:02,236 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-16 19:49:02,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 19:49:02,236 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 19:49:02,236 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 19:49:02,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 19:49:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 19:49:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 19:49:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 19:49:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 19:49:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 19:49:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-16 19:49:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-16 19:49:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 19:49:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 19:49:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 19:49:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 19:49:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 19:49:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 19:49:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 19:49:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-16 19:49:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 19:49:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 19:49:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 19:49:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 19:49:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 19:49:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 19:49:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 19:49:02,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 19:49:02,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 19:49:02,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 19:49:02,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-16 19:49:02,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-16 19:49:02,240 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-16 19:49:02,240 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-16 19:49:02,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 19:49:02,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 19:49:02,241 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 19:49:02,241 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 19:49:02,241 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-16 19:49:02,242 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-16 19:49:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 19:49:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 19:49:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 19:49:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 19:49:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 19:49:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 19:49:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-16 19:49:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-16 19:49:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 19:49:02,242 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 19:49:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-16 19:49:02,243 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-16 19:49:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 19:49:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 19:49:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 19:49:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 19:49:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 19:49:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 19:49:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 19:49:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-16 19:49:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-16 19:49:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-16 19:49:02,243 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-16 19:49:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 19:49:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 19:49:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 19:49:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 19:49:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 19:49:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 19:49:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-16 19:49:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-16 19:49:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 19:49:02,244 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 19:49:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-16 19:49:02,244 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-16 19:49:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 19:49:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 19:49:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 19:49:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 19:49:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 19:49:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 19:49:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 19:49:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-16 19:49:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_big_endian [2024-11-16 19:49:02,245 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_big_endian [2024-11-16 19:49:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 19:49:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 19:49:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 19:49:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 19:49:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 19:49:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 19:49:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 19:49:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-16 19:49:02,581 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 19:49:02,583 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 19:49:02,612 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-16 19:49:02,630 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-16 19:49:02,713 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3917: havoc #t~nondet239;havoc #t~nondet240;havoc #t~bitwise241; [2024-11-16 19:49:02,781 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7399: havoc #t~mem682;havoc #t~mem683;havoc #t~short684;havoc #t~mem685.base, #t~mem685.offset;havoc #t~short686;havoc #t~mem687;havoc #t~mem688;havoc #t~mem689;havoc #t~short690;havoc #t~mem691;havoc #t~mem692.base, #t~mem692.offset;havoc #t~short693;havoc #t~short694;havoc #t~short695;havoc #t~short696; [2024-11-16 19:49:02,793 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 19:49:02,806 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3898: havoc #t~mem237;call ULTIMATE.dealloc(~#z~0.base, ~#z~0.offset);havoc ~#z~0.base, ~#z~0.offset; [2024-11-16 19:49:02,813 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret657.base, #t~ret657.offset; [2024-11-16 19:49:10,480 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2024-11-16 19:49:10,480 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8605: havoc aws_byte_buf_write_be64_#t~ret1214#1;call ULTIMATE.dealloc(aws_byte_buf_write_be64_~#x#1.base, aws_byte_buf_write_be64_~#x#1.offset);havoc aws_byte_buf_write_be64_~#x#1.base, aws_byte_buf_write_be64_~#x#1.offset; [2024-11-16 19:49:10,480 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2024-11-16 19:49:10,567 INFO L? ?]: Removed 112 outVars from TransFormulas that were not future-live. [2024-11-16 19:49:10,567 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 19:49:10,591 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 19:49:10,591 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 19:49:10,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:49:10 BoogieIcfgContainer [2024-11-16 19:49:10,592 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 19:49:10,595 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 19:49:10,596 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 19:49:10,599 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 19:49:10,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:48:59" (1/3) ... [2024-11-16 19:49:10,601 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e149a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:49:10, skipping insertion in model container [2024-11-16 19:49:10,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:01" (2/3) ... [2024-11-16 19:49:10,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e149a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:49:10, skipping insertion in model container [2024-11-16 19:49:10,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:49:10" (3/3) ... [2024-11-16 19:49:10,604 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be64_harness.i [2024-11-16 19:49:10,620 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 19:49:10,621 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 19:49:10,687 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:49:10,696 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;@2325ba38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:49:10,698 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 19:49:10,703 INFO L276 IsEmpty]: Start isEmpty. Operand has 152 states, 100 states have (on average 1.23) internal successors, (123), 101 states have internal predecessors, (123), 37 states have call successors, (37), 13 states have call predecessors, (37), 13 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-16 19:49:10,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-16 19:49:10,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:49:10,719 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 19:49:10,719 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:49:10,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:49:10,725 INFO L85 PathProgramCache]: Analyzing trace with hash 482822747, now seen corresponding path program 1 times [2024-11-16 19:49:10,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:49:10,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754228902] [2024-11-16 19:49:10,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:49:10,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:50:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:24,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:50:24,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:24,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 19:50:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:24,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 19:50:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:24,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-16 19:50:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:24,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:50:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:24,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 19:50:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:24,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 19:50:24,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:24,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 19:50:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:24,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 19:50:24,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:24,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-16 19:50:24,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:24,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:50:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:24,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 19:50:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:24,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 19:50:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:24,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 19:50:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:24,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-16 19:50:24,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:24,574 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-16 19:50:24,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:50:24,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754228902] [2024-11-16 19:50:24,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754228902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:50:24,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:50:24,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 19:50:24,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224659751] [2024-11-16 19:50:24,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:50:24,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 19:50:24,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:50:24,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 19:50:24,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 19:50:24,611 INFO L87 Difference]: Start difference. First operand has 152 states, 100 states have (on average 1.23) internal successors, (123), 101 states have internal predecessors, (123), 37 states have call successors, (37), 13 states have call predecessors, (37), 13 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-16 19:50:28,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:50:31,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 19:50:31,080 INFO L93 Difference]: Finished difference Result 294 states and 409 transitions. [2024-11-16 19:50:31,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 19:50:31,082 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 101 [2024-11-16 19:50:31,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 19:50:31,090 INFO L225 Difference]: With dead ends: 294 [2024-11-16 19:50:31,090 INFO L226 Difference]: Without dead ends: 146 [2024-11-16 19:50:31,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 19:50:31,097 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 78 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 23 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2024-11-16 19:50:31,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 147 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 122 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2024-11-16 19:50:31,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-16 19:50:31,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2024-11-16 19:50:31,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 95 states have (on average 1.2105263157894737) internal successors, (115), 96 states have internal predecessors, (115), 37 states have call successors, (37), 13 states have call predecessors, (37), 13 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-16 19:50:31,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 188 transitions. [2024-11-16 19:50:31,158 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 188 transitions. Word has length 101 [2024-11-16 19:50:31,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 19:50:31,158 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 188 transitions. [2024-11-16 19:50:31,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-16 19:50:31,159 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 188 transitions. [2024-11-16 19:50:31,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-16 19:50:31,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:50:31,163 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 19:50:31,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 19:50:31,164 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:50:31,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:50:31,165 INFO L85 PathProgramCache]: Analyzing trace with hash 2076684509, now seen corresponding path program 1 times [2024-11-16 19:50:31,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:50:31,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343795051] [2024-11-16 19:50:31,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:50:31,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms