./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness_negated.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_be64_harness_negated.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', '67d1a487274559e4508e3940adaf209d6702fe4c4ecbf4574241f4dfc45cddf7'] 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_be64_harness_negated.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 67d1a487274559e4508e3940adaf209d6702fe4c4ecbf4574241f4dfc45cddf7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:47:33,241 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:47:33,353 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:47:33,358 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:47:33,359 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:47:33,387 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:47:33,388 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:47:33,389 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:47:33,389 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:47:33,390 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:47:33,390 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:47:33,390 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:47:33,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:47:33,391 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:47:33,391 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:47:33,391 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:47:33,391 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:47:33,391 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:47:33,391 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:47:33,392 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:47:33,392 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:47:33,392 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:47:33,392 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:47:33,392 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:47:33,392 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:47:33,392 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:47:33,392 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:47:33,392 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:47:33,392 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:47:33,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:47:33,392 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:47:33,392 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:47:33,392 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:47:33,392 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:47:33,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:47:33,393 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:47:33,393 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:47:33,393 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:47:33,393 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:47:33,393 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 -> 67d1a487274559e4508e3940adaf209d6702fe4c4ecbf4574241f4dfc45cddf7 [2024-11-07 11:47:33,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:47:33,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:47:33,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:47:33,767 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:47:33,768 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:47:33,769 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness_negated.i [2024-11-07 11:47:35,183 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:47:35,795 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:47:35,796 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness_negated.i [2024-11-07 11:47:35,846 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b6f6d6fd2/cfd16642d0464d2899dd03b5fe348c38/FLAGb9dd1da38 [2024-11-07 11:47:36,254 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b6f6d6fd2/cfd16642d0464d2899dd03b5fe348c38 [2024-11-07 11:47:36,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:47:36,258 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:47:36,261 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:47:36,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:47:36,266 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:47:36,267 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:47:36" (1/1) ... [2024-11-07 11:47:36,269 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5002d88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:36, skipping insertion in model container [2024-11-07 11:47:36,269 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:47:36" (1/1) ... [2024-11-07 11:47:36,356 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:47:36,610 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_be64_harness_negated.i[4497,4510] [2024-11-07 11:47:36,622 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_be64_harness_negated.i[4557,4570] [2024-11-07 11:47:37,188 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:37,191 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:37,192 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:37,193 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:37,195 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:37,215 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:37,215 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:37,219 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:37,219 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:37,776 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:37,776 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:37,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:47:37,915 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:47:37,930 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_be64_harness_negated.i[4497,4510] [2024-11-07 11:47:37,934 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_be64_harness_negated.i[4557,4570] [2024-11-07 11:47:37,985 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:37,987 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:37,987 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:37,988 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:37,989 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:37,995 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:37,996 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:37,997 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:37,997 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:38,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-11-07 11:47:38,170 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:38,170 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:38,183 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-11-07 11:47:38,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:47:38,391 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:47:38,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:38 WrapperNode [2024-11-07 11:47:38,392 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:47:38,393 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:47:38,393 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:47:38,394 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:47:38,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:38" (1/1) ... [2024-11-07 11:47:38,477 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:38" (1/1) ... [2024-11-07 11:47:38,573 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 871 [2024-11-07 11:47:38,574 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:47:38,575 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:47:38,576 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:47:38,576 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:47:38,585 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:38" (1/1) ... [2024-11-07 11:47:38,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:38" (1/1) ... [2024-11-07 11:47:38,595 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:38" (1/1) ... [2024-11-07 11:47:38,685 INFO L175 MemorySlicer]: Split 564 memory accesses to 8 slices as follows [8, 2, 257, 238, 6, 47, 2, 4]. 46 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [5, 2, 0, 6, 0, 8, 1, 0]. The 497 writes are split as follows [1, 0, 257, 232, 2, 3, 0, 2]. [2024-11-07 11:47:38,685 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:38" (1/1) ... [2024-11-07 11:47:38,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:38" (1/1) ... [2024-11-07 11:47:38,744 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:38" (1/1) ... [2024-11-07 11:47:38,749 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:38" (1/1) ... [2024-11-07 11:47:38,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:38" (1/1) ... [2024-11-07 11:47:38,765 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:38" (1/1) ... [2024-11-07 11:47:38,778 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:47:38,779 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:47:38,779 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:47:38,779 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:47:38,783 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:38" (1/1) ... [2024-11-07 11:47:38,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:47:38,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:47:38,825 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 11:47:38,827 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 11:47:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton64 [2024-11-07 11:47:38,873 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton64 [2024-11-07 11:47:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-07 11:47:38,874 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-07 11:47:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:47:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:47:38,874 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:47:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:47:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:47:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:47:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:47:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 11:47:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 11:47:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 11:47:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-07 11:47:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:47:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:47:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:47:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:47:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 11:47:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 11:47:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 11:47:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-07 11:47:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:47:38,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:47:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:47:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:47:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 11:47:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 11:47:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 11:47:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 11:47:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 11:47:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 11:47:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 11:47:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-07 11:47:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-07 11:47:38,877 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-07 11:47:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:47:38,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:47:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:47:38,878 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:47:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-07 11:47:38,878 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-07 11:47:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 11:47:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 11:47:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 11:47:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 11:47:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 11:47:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 11:47:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-07 11:47:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-07 11:47:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:47:38,878 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:47:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-07 11:47:38,878 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-07 11:47:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:47:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 11:47:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 11:47:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 11:47:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 11:47:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 11:47:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 11:47:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 11:47:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-07 11:47:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-07 11:47:38,879 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-07 11:47:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:47:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:47:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:47:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:47:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 11:47:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 11:47:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-07 11:47:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-07 11:47:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 11:47:38,879 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 11:47:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-07 11:47:38,879 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-07 11:47:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:47:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:47:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:47:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:47:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 11:47:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 11:47:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 11:47:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-07 11:47:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_big_endian [2024-11-07 11:47:38,880 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_big_endian [2024-11-07 11:47:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:47:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:47:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:47:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:47:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 11:47:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 11:47:38,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 11:47:38,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-07 11:47:39,233 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:47:39,235 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:47:47,789 INFO L? ?]: Removed 112 outVars from TransFormulas that were not future-live. [2024-11-07 11:47:47,789 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:47:47,803 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:47:47,803 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 11:47:47,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:47:47 BoogieIcfgContainer [2024-11-07 11:47:47,804 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:47:47,806 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:47:47,806 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:47:47,814 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:47:47,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:47:36" (1/3) ... [2024-11-07 11:47:47,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c856361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:47:47, skipping insertion in model container [2024-11-07 11:47:47,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:38" (2/3) ... [2024-11-07 11:47:47,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c856361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:47:47, skipping insertion in model container [2024-11-07 11:47:47,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:47:47" (3/3) ... [2024-11-07 11:47:47,817 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be64_harness_negated.i [2024-11-07 11:47:47,829 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:47:47,829 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:47:47,880 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:47:47,892 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;@4364257a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:47:47,892 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:47:47,896 INFO L276 IsEmpty]: Start isEmpty. Operand has 151 states, 99 states have (on average 1.2323232323232323) internal successors, (122), 100 states have internal predecessors, (122), 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) [2024-11-07 11:47:47,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-07 11:47:47,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:47:47,905 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] [2024-11-07 11:47:47,905 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:47:47,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:47:47,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1920013511, now seen corresponding path program 1 times [2024-11-07 11:47:47,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:47:47,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140358890] [2024-11-07 11:47:47,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:47:47,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:48:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:55,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:48:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:55,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 11:48:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:55,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 11:48:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:55,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 11:48:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:55,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:48:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:55,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 11:48:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:55,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 11:48:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:55,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 11:48:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:55,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 11:48:55,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:55,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-07 11:48:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:55,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:48:55,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:56,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 11:48:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:56,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 11:48:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:56,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 11:48:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:56,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-07 11:48:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:56,073 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-07 11:48:56,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:48:56,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140358890] [2024-11-07 11:48:56,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140358890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:48:56,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:48:56,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 11:48:56,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070128566] [2024-11-07 11:48:56,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:48:56,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 11:48:56,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:48:56,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 11:48:56,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 11:48:56,105 INFO L87 Difference]: Start difference. First operand has 151 states, 99 states have (on average 1.2323232323232323) internal successors, (122), 100 states have internal predecessors, (122), 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) [2024-11-07 11:49:00,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:49:02,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:49:02,521 INFO L93 Difference]: Finished difference Result 293 states and 408 transitions. [2024-11-07 11:49:02,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 11:49:02,524 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 [2024-11-07 11:49:02,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:49:02,534 INFO L225 Difference]: With dead ends: 293 [2024-11-07 11:49:02,534 INFO L226 Difference]: Without dead ends: 146 [2024-11-07 11:49:02,538 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 [2024-11-07 11:49:02,540 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 78 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 23 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-07 11:49:02,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 149 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 120 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2024-11-07 11:49:02,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-07 11:49:02,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2024-11-07 11:49:02,577 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) [2024-11-07 11:49:02,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 188 transitions. [2024-11-07 11:49:02,585 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 188 transitions. Word has length 101 [2024-11-07 11:49:02,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:49:02,586 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 188 transitions. [2024-11-07 11:49:02,586 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) [2024-11-07 11:49:02,586 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 188 transitions. [2024-11-07 11:49:02,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-07 11:49:02,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:49:02,592 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] [2024-11-07 11:49:02,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 11:49:02,593 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:49:02,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:49:02,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1267710013, now seen corresponding path program 1 times [2024-11-07 11:49:02,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:49:02,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900215259] [2024-11-07 11:49:02,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:49:02,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms