./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_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_append_dynamic_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', '70fdf4888600bb48b8cb4af60c2a43959940f60808ef921b3b5f10a980e62d04'] 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_append_dynamic_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 70fdf4888600bb48b8cb4af60c2a43959940f60808ef921b3b5f10a980e62d04 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:42:04,031 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:42:04,114 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:42:04,119 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:42:04,119 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:42:04,148 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:42:04,151 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:42:04,151 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:42:04,152 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:42:04,152 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:42:04,153 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:42:04,153 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:42:04,153 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:42:04,154 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:42:04,154 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:42:04,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:42:04,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:42:04,154 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:42:04,154 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:42:04,155 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:42:04,155 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:42:04,155 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:42:04,155 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:42:04,155 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:42:04,155 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:42:04,155 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:42:04,156 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:42:04,156 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:42:04,156 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:42:04,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:42:04,156 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:42:04,156 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:42:04,156 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:42:04,156 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:42:04,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:42:04,157 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:42:04,157 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:42:04,157 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:42:04,157 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:42:04,157 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 -> 70fdf4888600bb48b8cb4af60c2a43959940f60808ef921b3b5f10a980e62d04 [2024-11-07 11:42:04,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:42:04,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:42:04,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:42:04,540 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:42:04,540 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:42:04,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_harness_negated.i [2024-11-07 11:42:05,923 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:42:06,522 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:42:06,525 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_harness_negated.i [2024-11-07 11:42:06,575 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3c9fe8a9f/d80f6da74ec642149f76ff56e1e61599/FLAG05e52ed36 [2024-11-07 11:42:06,595 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3c9fe8a9f/d80f6da74ec642149f76ff56e1e61599 [2024-11-07 11:42:06,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:42:06,600 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:42:06,602 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:42:06,602 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:42:06,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:42:06,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:42:06" (1/1) ... [2024-11-07 11:42:06,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63332695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:06, skipping insertion in model container [2024-11-07 11:42:06,607 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:42:06" (1/1) ... [2024-11-07 11:42:06,690 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:42:06,995 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_append_dynamic_harness_negated.i[4501,4514] [2024-11-07 11:42:07,005 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_append_dynamic_harness_negated.i[4561,4574] [2024-11-07 11:42:07,809 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:07,810 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:07,810 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:07,811 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:07,812 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:07,839 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:07,840 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:07,842 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:07,843 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:08,305 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:08,306 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:08,399 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:08,400 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:08,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:42:08,532 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:42:08,553 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_append_dynamic_harness_negated.i[4501,4514] [2024-11-07 11:42:08,554 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_append_dynamic_harness_negated.i[4561,4574] [2024-11-07 11:42:08,687 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:08,688 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:08,688 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:08,689 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:08,691 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:08,700 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:08,705 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:08,706 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:08,706 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:08,801 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:08,802 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:08,843 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8265] [2024-11-07 11:42:08,845 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:08,847 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:08,859 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8751-8762] [2024-11-07 11:42:08,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:42:09,186 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:42:09,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:09 WrapperNode [2024-11-07 11:42:09,187 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:42:09,188 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:42:09,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:42:09,188 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:42:09,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:09" (1/1) ... [2024-11-07 11:42:09,293 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:09" (1/1) ... [2024-11-07 11:42:09,387 INFO L138 Inliner]: procedures = 680, calls = 2637, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 1080 [2024-11-07 11:42:09,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:42:09,390 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:42:09,390 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:42:09,390 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:42:09,401 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:09" (1/1) ... [2024-11-07 11:42:09,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:09" (1/1) ... [2024-11-07 11:42:09,410 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:09" (1/1) ... [2024-11-07 11:42:09,508 INFO L175 MemorySlicer]: Split 595 memory accesses to 9 slices as follows [2, 8, 257, 238, 47, 25, 9, 5, 4]. 43 percent of accesses are in the largest equivalence class. The 26 initializations are split as follows [2, 4, 0, 6, 4, 2, 5, 1, 2]. The 497 writes are split as follows [0, 0, 257, 232, 5, 1, 1, 1, 0]. [2024-11-07 11:42:09,508 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:09" (1/1) ... [2024-11-07 11:42:09,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:09" (1/1) ... [2024-11-07 11:42:09,559 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:09" (1/1) ... [2024-11-07 11:42:09,570 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:09" (1/1) ... [2024-11-07 11:42:09,593 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:09" (1/1) ... [2024-11-07 11:42:09,607 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:09" (1/1) ... [2024-11-07 11:42:09,629 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:42:09,634 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:42:09,636 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:42:09,636 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:42:09,637 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:09" (1/1) ... [2024-11-07 11:42:09,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:42:09,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:42:09,678 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 11:42:09,685 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 11:42:09,709 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-07 11:42:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-07 11:42:09,710 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-07 11:42:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-07 11:42:09,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:42:09,711 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:42:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:42:09,711 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-07 11:42:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-07 11:42:09,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:42:09,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:42:09,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:42:09,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:42:09,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 11:42:09,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 11:42:09,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 11:42:09,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-07 11:42:09,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-07 11:42:09,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:42:09,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:42:09,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:42:09,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:42:09,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 11:42:09,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 11:42:09,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 11:42:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-07 11:42:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-07 11:42:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-07 11:42:09,714 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-07 11:42:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:42:09,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:42:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:42:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:42:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 11:42:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 11:42:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 11:42:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 11:42:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 11:42:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 11:42:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 11:42:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-07 11:42:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-07 11:42:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-07 11:42:09,714 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-07 11:42:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:42:09,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:42:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:42:09,714 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:42:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 11:42:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 11:42:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 11:42:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 11:42:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 11:42:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 11:42:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-07 11:42:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-07 11:42:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-07 11:42:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-07 11:42:09,715 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-07 11:42:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-07 11:42:09,715 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-07 11:42:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:42:09,715 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:42:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-07 11:42:09,715 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-07 11:42:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-07 11:42:09,715 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-07 11:42:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:42:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-07 11:42:09,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-07 11:42:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 11:42:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 11:42:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 11:42:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 11:42:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 11:42:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 11:42:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 11:42:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-07 11:42:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-07 11:42:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:42:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:42:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:42:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:42:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 11:42:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 11:42:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-07 11:42:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-07 11:42:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-07 11:42:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 11:42:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 11:42:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-07 11:42:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-07 11:42:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2024-11-07 11:42:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2024-11-07 11:42:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-07 11:42:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-07 11:42:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:42:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:42:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:42:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:42:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 11:42:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 11:42:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 11:42:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-07 11:42:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-07 11:42:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:42:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:42:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:42:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:42:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 11:42:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 11:42:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 11:42:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-07 11:42:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-07 11:42:10,159 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:42:10,163 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:42:18,761 INFO L? ?]: Removed 141 outVars from TransFormulas that were not future-live. [2024-11-07 11:42:18,761 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:42:18,786 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:42:18,786 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-07 11:42:18,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:42:18 BoogieIcfgContainer [2024-11-07 11:42:18,787 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:42:18,791 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:42:18,791 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:42:18,796 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:42:18,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:42:06" (1/3) ... [2024-11-07 11:42:18,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e3977d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:42:18, skipping insertion in model container [2024-11-07 11:42:18,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:09" (2/3) ... [2024-11-07 11:42:18,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e3977d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:42:18, skipping insertion in model container [2024-11-07 11:42:18,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:42:18" (3/3) ... [2024-11-07 11:42:18,800 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_dynamic_harness_negated.i [2024-11-07 11:42:18,815 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:42:18,815 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:42:18,884 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:42:18,896 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;@54a3cee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:42:18,897 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:42:18,905 INFO L276 IsEmpty]: Start isEmpty. Operand has 248 states, 156 states have (on average 1.2371794871794872) internal successors, (193), 157 states have internal predecessors, (193), 72 states have call successors, (72), 18 states have call predecessors, (72), 18 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-07 11:42:18,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-07 11:42:18,916 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:42:18,918 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-07 11:42:18,918 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:42:18,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:42:18,925 INFO L85 PathProgramCache]: Analyzing trace with hash 2028514092, now seen corresponding path program 1 times [2024-11-07 11:42:18,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:42:18,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742947550] [2024-11-07 11:42:18,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:42:18,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:43:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:29,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:43:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:29,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 11:43:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:29,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:43:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:29,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 11:43:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:29,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 11:43:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:29,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 11:43:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:29,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 11:43:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:29,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 11:43:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:29,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 11:43:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:29,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 11:43:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:29,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-07 11:43:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:29,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 11:43:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:29,470 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-07 11:43:29,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:43:29,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742947550] [2024-11-07 11:43:29,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742947550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:43:29,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:43:29,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 11:43:29,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392198704] [2024-11-07 11:43:29,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:43:29,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 11:43:29,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:43:29,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 11:43:29,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 11:43:29,505 INFO L87 Difference]: Start difference. First operand has 248 states, 156 states have (on average 1.2371794871794872) internal successors, (193), 157 states have internal predecessors, (193), 72 states have call successors, (72), 18 states have call predecessors, (72), 18 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-07 11:43:33,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:43:36,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:43:36,793 INFO L93 Difference]: Finished difference Result 500 states and 722 transitions. [2024-11-07 11:43:36,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 11:43:36,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 83 [2024-11-07 11:43:36,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:43:36,803 INFO L225 Difference]: With dead ends: 500 [2024-11-07 11:43:36,803 INFO L226 Difference]: Without dead ends: 255 [2024-11-07 11:43:36,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 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 11:43:36,811 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 116 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 61 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2024-11-07 11:43:36,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 289 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 190 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2024-11-07 11:43:36,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-07 11:43:36,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 243. [2024-11-07 11:43:36,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 152 states have (on average 1.2171052631578947) internal successors, (185), 153 states have internal predecessors, (185), 72 states have call successors, (72), 18 states have call predecessors, (72), 18 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-07 11:43:36,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 328 transitions. [2024-11-07 11:43:36,893 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 328 transitions. Word has length 83 [2024-11-07 11:43:36,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:43:36,894 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 328 transitions. [2024-11-07 11:43:36,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-07 11:43:36,895 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 328 transitions. [2024-11-07 11:43:36,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-07 11:43:36,900 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:43:36,901 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-07 11:43:36,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 11:43:36,902 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:43:36,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:43:36,902 INFO L85 PathProgramCache]: Analyzing trace with hash -2028390636, now seen corresponding path program 1 times [2024-11-07 11:43:36,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:43:36,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766967833] [2024-11-07 11:43:36,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:43:36,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms