./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_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_cursor_trim_pred_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', 'e0e950e68e23d7f00671c15a4ab2dc4c6f1b16c3f0909330d13976ca4a5ef656'] 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_cursor_trim_pred_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 e0e950e68e23d7f00671c15a4ab2dc4c6f1b16c3f0909330d13976ca4a5ef656 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:55:17,256 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:55:17,319 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:55:17,325 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:55:17,327 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:55:17,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:55:17,353 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:55:17,353 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:55:17,353 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:55:17,354 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:55:17,354 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:55:17,354 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:55:17,355 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:55:17,355 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:55:17,355 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:55:17,355 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:55:17,355 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:55:17,356 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:55:17,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:55:17,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:55:17,356 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:55:17,356 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:55:17,356 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:55:17,356 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:55:17,356 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:55:17,356 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:55:17,357 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:55:17,357 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:55:17,357 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:55:17,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:55:17,357 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:55:17,357 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:55:17,357 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:55:17,357 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:55:17,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:55:17,357 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:55:17,357 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:55:17,358 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:55:17,358 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:55:17,358 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 -> e0e950e68e23d7f00671c15a4ab2dc4c6f1b16c3f0909330d13976ca4a5ef656 [2024-11-07 11:55:17,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:55:17,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:55:17,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:55:17,581 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:55:17,581 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:55:17,582 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness_negated.i [2024-11-07 11:55:18,798 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:55:19,239 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:55:19,241 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness_negated.i [2024-11-07 11:55:19,269 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1f38e4c81/72bb2f2afb3d4ee5b7ae5612f8953752/FLAGac489bd43 [2024-11-07 11:55:19,342 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1f38e4c81/72bb2f2afb3d4ee5b7ae5612f8953752 [2024-11-07 11:55:19,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:55:19,346 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:55:19,347 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:55:19,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:55:19,350 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:55:19,350 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:55:19" (1/1) ... [2024-11-07 11:55:19,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@451cf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:19, skipping insertion in model container [2024-11-07 11:55:19,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:55:19" (1/1) ... [2024-11-07 11:55:19,400 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:55:19,584 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_cursor_trim_pred_harness_negated.i[4499,4512] [2024-11-07 11:55:19,595 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_cursor_trim_pred_harness_negated.i[4559,4572] [2024-11-07 11:55:20,102 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:20,104 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:20,104 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:20,104 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:20,106 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:20,115 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:20,116 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:20,117 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:20,118 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:20,508 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:20,509 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:20,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:55:20,615 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:55:20,625 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_cursor_trim_pred_harness_negated.i[4499,4512] [2024-11-07 11:55:20,625 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_cursor_trim_pred_harness_negated.i[4559,4572] [2024-11-07 11:55:20,666 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:20,666 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:20,666 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:20,666 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:20,667 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:20,671 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:20,671 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:20,672 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:20,672 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:20,807 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8239] [2024-11-07 11:55:20,809 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:20,809 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:20,820 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8725-8736] [2024-11-07 11:55:20,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:55:20,966 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:55:20,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:20 WrapperNode [2024-11-07 11:55:20,967 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:55:20,968 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:55:20,968 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:55:20,968 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:55:20,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:20" (1/1) ... [2024-11-07 11:55:21,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:20" (1/1) ... [2024-11-07 11:55:21,073 INFO L138 Inliner]: procedures = 679, calls = 2616, calls flagged for inlining = 62, calls inlined = 10, statements flattened = 901 [2024-11-07 11:55:21,073 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:55:21,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:55:21,074 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:55:21,074 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:55:21,085 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:20" (1/1) ... [2024-11-07 11:55:21,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:20" (1/1) ... [2024-11-07 11:55:21,094 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:20" (1/1) ... [2024-11-07 11:55:21,156 INFO L175 MemorySlicer]: Split 557 memory accesses to 6 slices as follows [2, 257, 45, 6, 242, 5]. 46 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [2, 0, 12, 0, 6, 5]. The 495 writes are split as follows [0, 257, 4, 2, 232, 0]. [2024-11-07 11:55:21,157 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:20" (1/1) ... [2024-11-07 11:55:21,157 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:20" (1/1) ... [2024-11-07 11:55:21,183 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:20" (1/1) ... [2024-11-07 11:55:21,188 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:20" (1/1) ... [2024-11-07 11:55:21,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:20" (1/1) ... [2024-11-07 11:55:21,195 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:20" (1/1) ... [2024-11-07 11:55:21,200 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:55:21,201 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:55:21,201 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:55:21,201 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:55:21,201 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:20" (1/1) ... [2024-11-07 11:55:21,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:55:21,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:55:21,230 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 11:55:21,234 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 11:55:21,250 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-07 11:55:21,250 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-07 11:55:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:55:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:55:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:55:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:55:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:55:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:55:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:55:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 11:55:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 11:55:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:55:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:55:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:55:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:55:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 11:55:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 11:55:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:55:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:55:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_left_trim_pred [2024-11-07 11:55:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_left_trim_pred [2024-11-07 11:55:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:55:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:55:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 11:55:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 11:55:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 11:55:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 11:55:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 11:55:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 11:55:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:55:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:55:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:55:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:55:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-07 11:55:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-07 11:55:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 11:55:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 11:55:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 11:55:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 11:55:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 11:55:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 11:55:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:55:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:55:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:55:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 11:55:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 11:55:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 11:55:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 11:55:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 11:55:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 11:55:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:55:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:55:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:55:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:55:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 11:55:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 11:55:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~uint8_t~0~TO~int [2024-11-07 11:55:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~uint8_t~0~TO~int [2024-11-07 11:55:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:55:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:55:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:55:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:55:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 11:55:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 11:55:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:55:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:55:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:55:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:55:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 11:55:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 11:55:21,537 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:55:21,539 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:55:28,381 INFO L? ?]: Removed 101 outVars from TransFormulas that were not future-live. [2024-11-07 11:55:28,381 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:55:28,395 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:55:28,396 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-07 11:55:28,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:55:28 BoogieIcfgContainer [2024-11-07 11:55:28,397 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:55:28,398 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:55:28,399 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:55:28,402 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:55:28,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:55:19" (1/3) ... [2024-11-07 11:55:28,403 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54486f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:55:28, skipping insertion in model container [2024-11-07 11:55:28,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:20" (2/3) ... [2024-11-07 11:55:28,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54486f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:55:28, skipping insertion in model container [2024-11-07 11:55:28,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:55:28" (3/3) ... [2024-11-07 11:55:28,404 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_trim_pred_harness_negated.i [2024-11-07 11:55:28,414 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:55:28,415 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:55:28,458 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:55:28,469 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;@246b189b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:55:28,469 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:55:28,473 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 77 states have (on average 1.2337662337662338) internal successors, (95), 78 states have internal predecessors, (95), 37 states have call successors, (37), 8 states have call predecessors, (37), 8 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-07 11:55:28,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-07 11:55:28,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:55:28,482 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 11:55:28,482 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:55:28,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:55:28,486 INFO L85 PathProgramCache]: Analyzing trace with hash -120549986, now seen corresponding path program 1 times [2024-11-07 11:55:28,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:55:28,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244811127] [2024-11-07 11:55:28,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:55:28,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:56:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:56:40,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 11:56:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:56:40,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 11:56:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:56:40,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 11:56:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:56:40,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 11:56:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:56:40,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 11:56:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:56:40,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-07 11:56:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:56:41,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-07 11:56:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:56:41,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 11:56:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:56:41,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 11:56:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:56:41,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 11:56:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:56:41,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 11:56:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:56:41,051 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-07 11:56:41,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:56:41,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244811127] [2024-11-07 11:56:41,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244811127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:56:41,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:56:41,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 11:56:41,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610396593] [2024-11-07 11:56:41,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:56:41,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 11:56:41,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:56:41,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 11:56:41,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 11:56:41,077 INFO L87 Difference]: Start difference. First operand has 124 states, 77 states have (on average 1.2337662337662338) internal successors, (95), 78 states have internal predecessors, (95), 37 states have call successors, (37), 8 states have call predecessors, (37), 8 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-07 11:56:41,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:56:41,108 INFO L93 Difference]: Finished difference Result 244 states and 355 transitions. [2024-11-07 11:56:41,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 11:56:41,111 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 79 [2024-11-07 11:56:41,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:56:41,117 INFO L225 Difference]: With dead ends: 244 [2024-11-07 11:56:41,118 INFO L226 Difference]: Without dead ends: 115 [2024-11-07 11:56:41,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 11:56:41,125 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 11:56:41,126 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 11:56:41,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-07 11:56:41,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-07 11:56:41,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 70 states have (on average 1.1714285714285715) internal successors, (82), 71 states have internal predecessors, (82), 37 states have call successors, (37), 8 states have call predecessors, (37), 7 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-07 11:56:41,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 154 transitions. [2024-11-07 11:56:41,169 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 154 transitions. Word has length 79 [2024-11-07 11:56:41,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:56:41,170 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 154 transitions. [2024-11-07 11:56:41,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-07 11:56:41,170 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 154 transitions. [2024-11-07 11:56:41,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-07 11:56:41,174 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:56:41,174 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 11:56:41,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 11:56:41,175 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:56:41,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:56:41,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1125572453, now seen corresponding path program 1 times [2024-11-07 11:56:41,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:56:41,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932634078] [2024-11-07 11:56:41,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:56:41,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms