./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_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_init_copy_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', 'f5dd39c48ce76f8326a75ac77da422c73e3ef3e01f39ceb8a7824c99e1b5196d'] 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_init_copy_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 f5dd39c48ce76f8326a75ac77da422c73e3ef3e01f39ceb8a7824c99e1b5196d --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:45:32,049 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:45:32,134 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:45:32,139 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:45:32,139 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:45:32,168 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:45:32,169 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:45:32,170 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:45:32,170 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:45:32,170 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:45:32,170 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:45:32,170 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:45:32,171 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:45:32,171 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:45:32,171 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:45:32,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:45:32,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:45:32,172 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:45:32,172 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:45:32,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:45:32,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:45:32,172 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:45:32,172 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:45:32,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:45:32,172 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:45:32,173 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:45:32,173 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:45:32,173 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:45:32,173 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:45:32,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:45:32,173 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:45:32,173 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:45:32,174 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:45:32,174 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:45:32,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:45:32,174 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:45:32,174 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:45:32,174 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:45:32,174 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:45:32,174 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 -> f5dd39c48ce76f8326a75ac77da422c73e3ef3e01f39ceb8a7824c99e1b5196d [2024-11-07 11:45:32,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:45:32,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:45:32,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:45:32,467 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:45:32,468 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:45:32,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i [2024-11-07 11:45:33,700 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:45:34,257 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:45:34,258 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i [2024-11-07 11:45:34,307 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5ce157c94/e11335c284294f658d5037a5130f443a/FLAG791325518 [2024-11-07 11:45:34,756 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5ce157c94/e11335c284294f658d5037a5130f443a [2024-11-07 11:45:34,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:45:34,759 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:45:34,760 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:45:34,760 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:45:34,764 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:45:34,765 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:45:34" (1/1) ... [2024-11-07 11:45:34,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18b0368b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:34, skipping insertion in model container [2024-11-07 11:45:34,767 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:45:34" (1/1) ... [2024-11-07 11:45:34,875 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:45:35,140 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_init_copy_harness_negated.i[4496,4509] [2024-11-07 11:45:35,148 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_init_copy_harness_negated.i[4556,4569] [2024-11-07 11:45:35,715 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:45:35,717 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:45:35,718 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:45:35,719 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:45:35,721 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:45:35,743 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:45:35,747 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:45:35,749 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:45:35,754 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:45:36,229 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:45:36,229 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:45:36,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:45:36,360 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:45:36,380 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_init_copy_harness_negated.i[4496,4509] [2024-11-07 11:45:36,380 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_init_copy_harness_negated.i[4556,4569] [2024-11-07 11:45:36,428 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:45:36,428 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:45:36,429 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:45:36,429 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:45:36,430 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:45:36,435 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:45:36,435 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:45:36,436 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:45:36,436 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:45:36,627 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-11-07 11:45:36,630 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:45:36,631 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:45:36,643 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-11-07 11:45:36,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:45:36,889 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:45:36,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:36 WrapperNode [2024-11-07 11:45:36,890 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:45:36,891 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:45:36,891 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:45:36,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:45:36,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:36" (1/1) ... [2024-11-07 11:45:36,972 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:36" (1/1) ... [2024-11-07 11:45:37,064 INFO L138 Inliner]: procedures = 680, calls = 2622, calls flagged for inlining = 63, calls inlined = 11, statements flattened = 948 [2024-11-07 11:45:37,064 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:45:37,065 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:45:37,065 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:45:37,065 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:45:37,072 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:36" (1/1) ... [2024-11-07 11:45:37,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:36" (1/1) ... [2024-11-07 11:45:37,080 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:36" (1/1) ... [2024-11-07 11:45:37,177 INFO L175 MemorySlicer]: Split 566 memory accesses to 5 slices as follows [257, 2, 238, 6, 63]. 45 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [0, 2, 6, 0, 9]. The 503 writes are split as follows [257, 0, 232, 2, 12]. [2024-11-07 11:45:37,177 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:36" (1/1) ... [2024-11-07 11:45:37,177 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:36" (1/1) ... [2024-11-07 11:45:37,216 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:36" (1/1) ... [2024-11-07 11:45:37,222 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:36" (1/1) ... [2024-11-07 11:45:37,240 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:36" (1/1) ... [2024-11-07 11:45:37,247 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:36" (1/1) ... [2024-11-07 11:45:37,261 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:45:37,262 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:45:37,262 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:45:37,262 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:45:37,265 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:36" (1/1) ... [2024-11-07 11:45:37,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:45:37,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:45:37,299 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 11:45:37,306 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 11:45:37,324 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-07 11:45:37,325 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-07 11:45:37,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:45:37,326 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:45:37,326 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:45:37,326 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-07 11:45:37,327 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-07 11:45:37,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:45:37,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:45:37,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:45:37,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:45:37,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 11:45:37,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:45:37,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:45:37,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:45:37,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:45:37,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 11:45:37,328 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-07 11:45:37,328 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-07 11:45:37,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:45:37,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:45:37,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:45:37,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:45:37,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 11:45:37,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 11:45:37,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 11:45:37,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 11:45:37,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 11:45:37,329 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-07 11:45:37,329 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-07 11:45:37,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:45:37,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:45:37,329 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:45:37,330 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:45:37,330 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-07 11:45:37,330 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-07 11:45:37,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 11:45:37,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 11:45:37,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 11:45:37,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 11:45:37,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 11:45:37,330 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-07 11:45:37,330 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-07 11:45:37,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-07 11:45:37,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-07 11:45:37,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-07 11:45:37,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-07 11:45:37,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-07 11:45:37,330 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-07 11:45:37,330 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-07 11:45:37,330 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-07 11:45:37,330 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-07 11:45:37,330 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-07 11:45:37,330 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:45:37,330 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:45:37,330 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-07 11:45:37,330 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-07 11:45:37,331 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-07 11:45:37,331 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-07 11:45:37,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:45:37,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 11:45:37,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 11:45:37,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 11:45:37,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 11:45:37,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 11:45:37,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:45:37,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:45:37,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:45:37,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:45:37,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 11:45:37,331 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 11:45:37,331 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 11:45:37,331 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-07 11:45:37,331 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-07 11:45:37,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:45:37,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:45:37,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:45:37,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:45:37,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 11:45:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:45:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:45:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:45:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:45:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 11:45:37,668 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:45:37,671 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:45:46,168 INFO L? ?]: Removed 155 outVars from TransFormulas that were not future-live. [2024-11-07 11:45:46,168 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:45:46,183 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:45:46,184 INFO L316 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-07 11:45:46,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:45:46 BoogieIcfgContainer [2024-11-07 11:45:46,185 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:45:46,187 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:45:46,187 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:45:46,191 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:45:46,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:45:34" (1/3) ... [2024-11-07 11:45:46,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2219e37a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:45:46, skipping insertion in model container [2024-11-07 11:45:46,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:36" (2/3) ... [2024-11-07 11:45:46,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2219e37a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:45:46, skipping insertion in model container [2024-11-07 11:45:46,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:45:46" (3/3) ... [2024-11-07 11:45:46,193 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_init_copy_harness_negated.i [2024-11-07 11:45:46,205 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:45:46,205 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:45:46,261 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:45:46,273 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;@3ad3ca18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:45:46,274 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:45:46,280 INFO L276 IsEmpty]: Start isEmpty. Operand has 185 states, 122 states have (on average 1.221311475409836) internal successors, (149), 121 states have internal predecessors, (149), 49 states have call successors, (49), 15 states have call predecessors, (49), 15 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-07 11:45:46,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-07 11:45:46,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:45:46,292 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-07 11:45:46,293 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:45:46,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:45:46,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1965116141, now seen corresponding path program 1 times [2024-11-07 11:45:46,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:45:46,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135541742] [2024-11-07 11:45:46,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:45:46,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:46:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:46:53,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 11:46:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:46:53,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 11:46:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:46:53,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 11:46:53,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:46:53,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:46:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:46:53,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 11:46:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:46:53,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 11:46:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:46:53,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 11:46:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:46:53,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:46:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:46:53,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 11:46:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:46:53,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 11:46:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:46:53,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 11:46:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:46:53,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 11:46:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:46:53,907 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-07 11:46:53,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:46:53,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135541742] [2024-11-07 11:46:53,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135541742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:46:53,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:46:53,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 11:46:53,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505356125] [2024-11-07 11:46:53,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:46:53,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 11:46:53,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:46:53,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 11:46:53,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 11:46:53,935 INFO L87 Difference]: Start difference. First operand has 185 states, 122 states have (on average 1.221311475409836) internal successors, (149), 121 states have internal predecessors, (149), 49 states have call successors, (49), 15 states have call predecessors, (49), 15 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-07 11:46:58,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:47:00,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:47:00,348 INFO L93 Difference]: Finished difference Result 376 states and 532 transitions. [2024-11-07 11:47:00,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 11:47:00,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 82 [2024-11-07 11:47:00,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:47:00,359 INFO L225 Difference]: With dead ends: 376 [2024-11-07 11:47:00,359 INFO L226 Difference]: Without dead ends: 189 [2024-11-07 11:47:00,363 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 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 11:47:00,366 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 82 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 45 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-07 11:47:00,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 225 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 122 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2024-11-07 11:47:00,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-11-07 11:47:00,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 179. [2024-11-07 11:47:00,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 114 states have (on average 1.1666666666666667) internal successors, (133), 115 states have internal predecessors, (133), 49 states have call successors, (49), 15 states have call predecessors, (49), 15 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-07 11:47:00,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 230 transitions. [2024-11-07 11:47:00,429 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 230 transitions. Word has length 82 [2024-11-07 11:47:00,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:47:00,431 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 230 transitions. [2024-11-07 11:47:00,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-07 11:47:00,431 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 230 transitions. [2024-11-07 11:47:00,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-07 11:47:00,435 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:47:00,435 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 11:47:00,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 11:47:00,436 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:47:00,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:47:00,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1792620296, now seen corresponding path program 1 times [2024-11-07 11:47:00,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:47:00,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754639088] [2024-11-07 11:47:00,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:47:00,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms