./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/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())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', '3e644a292a4c5d5b549b88d9030b75ad2c804a7dc6b4d8e0c5760a8e3b5148d0'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 3e644a292a4c5d5b549b88d9030b75ad2c804a7dc6b4d8e0c5760a8e3b5148d0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:47:43,410 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:47:43,521 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:47:43,527 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:47:43,528 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:47:43,559 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:47:43,561 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:47:43,562 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:47:43,562 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:47:43,563 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:47:43,563 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:47:43,563 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:47:43,563 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:47:43,564 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:47:43,564 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:47:43,564 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:47:43,565 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:47:43,565 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:47:43,565 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:47:43,565 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:47:43,565 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:47:43,566 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:47:43,566 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:47:43,566 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:47:43,566 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:47:43,566 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:47:43,566 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:47:43,566 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:47:43,566 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:47:43,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:47:43,567 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:47:43,567 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:47:43,567 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:47:43,567 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:47:43,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:47:43,568 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:47:43,568 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:47:43,568 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:47:43,568 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:47:43,569 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 3e644a292a4c5d5b549b88d9030b75ad2c804a7dc6b4d8e0c5760a8e3b5148d0 [2024-11-07 11:47:43,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:47:43,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:47:43,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:47:43,862 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:47:43,862 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:47:43,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i [2024-11-07 11:47:45,110 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:47:45,573 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:47:45,574 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i [2024-11-07 11:47:45,612 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fce9ec938/1f2182ee118a4260aabfe5093f1b562e/FLAGd54335252 [2024-11-07 11:47:45,631 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fce9ec938/1f2182ee118a4260aabfe5093f1b562e [2024-11-07 11:47:45,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:47:45,634 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:47:45,636 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:47:45,636 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:47:45,640 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:47:45,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:47:45" (1/1) ... [2024-11-07 11:47:45,641 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc2ac89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:45, skipping insertion in model container [2024-11-07 11:47:45,641 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:47:45" (1/1) ... [2024-11-07 11:47:45,723 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:47:45,943 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4510,4523] [2024-11-07 11:47:45,953 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4570,4583] [2024-11-07 11:47:46,504 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:46,505 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:46,506 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:46,506 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:46,507 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:46,517 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:46,518 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:46,519 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:46,519 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:47,016 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:47,017 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:47,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:47:47,148 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:47:47,164 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4510,4523] [2024-11-07 11:47:47,166 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4570,4583] [2024-11-07 11:47:47,211 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:47,211 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:47,212 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:47,212 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:47,213 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:47,220 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:47,221 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:47,221 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:47,222 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:47,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-07 11:47:47,397 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:47,398 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:47,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-07 11:47:47,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:47:47,664 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:47:47,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:47 WrapperNode [2024-11-07 11:47:47,666 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:47:47,668 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:47:47,668 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:47:47,668 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:47:47,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:47" (1/1) ... [2024-11-07 11:47:47,746 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:47" (1/1) ... [2024-11-07 11:47:47,811 INFO L138 Inliner]: procedures = 680, calls = 2658, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 920 [2024-11-07 11:47:47,812 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:47:47,812 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:47:47,812 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:47:47,812 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:47:47,831 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:47" (1/1) ... [2024-11-07 11:47:47,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:47" (1/1) ... [2024-11-07 11:47:47,843 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:47" (1/1) ... [2024-11-07 11:47:47,912 INFO L175 MemorySlicer]: Split 592 memory accesses to 5 slices as follows [2, 257, 6, 249, 78]. 43 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 0, 11, 16]. The 499 writes are split as follows [0, 257, 2, 233, 7]. [2024-11-07 11:47:47,912 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:47" (1/1) ... [2024-11-07 11:47:47,912 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:47" (1/1) ... [2024-11-07 11:47:47,958 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:47" (1/1) ... [2024-11-07 11:47:47,966 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:47" (1/1) ... [2024-11-07 11:47:47,982 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:47" (1/1) ... [2024-11-07 11:47:47,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:47" (1/1) ... [2024-11-07 11:47:48,005 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:47:48,005 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:47:48,006 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:47:48,006 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:47:48,006 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:47" (1/1) ... [2024-11-07 11:47:48,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:47:48,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:47:48,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 11:47:48,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 11:47:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-07 11:47:48,086 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-07 11:47:48,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:47:48,087 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:47:48,087 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:47:48,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:47:48,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:47:48,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:47:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:47:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 11:47:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:47:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:47:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:47:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:47:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 11:47:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:47:48,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:47:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:47:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:47:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-07 11:47:48,088 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-07 11:47:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 11:47:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 11:47:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 11:47:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 11:47:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 11:47:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-07 11:47:48,089 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-07 11:47:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-07 11:47:48,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-07 11:47:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:47:48,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:47:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:47:48,089 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:47:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-07 11:47:48,089 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-07 11:47:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 11:47:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 11:47:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 11:47:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 11:47:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 11:47:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:47:48,089 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:47:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-07 11:47:48,089 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-07 11:47:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:47:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 11:47:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 11:47:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 11:47:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 11:47:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 11:47:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-07 11:47:48,090 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-07 11:47:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:47:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:47:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:47:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:47:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 11:47:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 11:47:48,090 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 11:47:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-07 11:47:48,090 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-07 11:47:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2024-11-07 11:47:48,090 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2024-11-07 11:47:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:47:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:47:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:47:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:47:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 11:47:48,091 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2024-11-07 11:47:48,091 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2024-11-07 11:47:48,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:47:48,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:47:48,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:47:48,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:47:48,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 11:47:48,412 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:47:48,415 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:47:56,809 INFO L? ?]: Removed 114 outVars from TransFormulas that were not future-live. [2024-11-07 11:47:56,810 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:47:56,825 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:47:56,828 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 11:47:56,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:47:56 BoogieIcfgContainer [2024-11-07 11:47:56,828 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:47:56,830 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:47:56,831 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:47:56,835 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:47:56,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:47:45" (1/3) ... [2024-11-07 11:47:56,836 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d69a4df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:47:56, skipping insertion in model container [2024-11-07 11:47:56,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:47" (2/3) ... [2024-11-07 11:47:56,836 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d69a4df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:47:56, skipping insertion in model container [2024-11-07 11:47:56,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:47:56" (3/3) ... [2024-11-07 11:47:56,837 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_buffer_harness.i [2024-11-07 11:47:56,848 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:47:56,848 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:47:56,906 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:47:56,916 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;@3f1ef584, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:47:56,917 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:47:56,923 INFO L276 IsEmpty]: Start isEmpty. Operand has 175 states, 105 states have (on average 1.2190476190476192) internal successors, (128), 107 states have internal predecessors, (128), 53 states have call successors, (53), 15 states have call predecessors, (53), 15 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-07 11:47:56,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-07 11:47:56,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:47:56,940 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 11:47:56,940 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:47:56,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:47:56,945 INFO L85 PathProgramCache]: Analyzing trace with hash -710663743, now seen corresponding path program 1 times [2024-11-07 11:47:56,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:47:56,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693233340] [2024-11-07 11:47:56,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:47:56,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:49:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:10,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:49:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:10,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 11:49:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:10,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 11:49:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:10,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:49:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:11,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 11:49:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:11,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:49:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:11,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 11:49:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:11,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 11:49:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:11,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 11:49:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:11,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 11:49:11,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:11,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 11:49:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:11,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:49:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:11,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 11:49:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:11,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:49:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:11,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 11:49:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:11,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 11:49:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:11,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 11:49:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:11,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 11:49:11,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:11,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 11:49:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:11,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 11:49:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:11,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-07 11:49:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:11,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-07 11:49:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:11,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 11:49:11,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:11,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 11:49:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:11,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 11:49:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:11,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-07 11:49:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:11,517 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-11-07 11:49:11,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:49:11,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693233340] [2024-11-07 11:49:11,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693233340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:49:11,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:49:11,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 11:49:11,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868191989] [2024-11-07 11:49:11,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:49:11,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 11:49:11,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:49:11,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 11:49:11,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 11:49:11,552 INFO L87 Difference]: Start difference. First operand has 175 states, 105 states have (on average 1.2190476190476192) internal successors, (128), 107 states have internal predecessors, (128), 53 states have call successors, (53), 15 states have call predecessors, (53), 15 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (25), 5 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 11:49:15,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:49:20,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.50s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []