./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_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_hash_callback_string_eq_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', '81878f133cf1520a898ab1dccc3c4ea8564ccc1e7b92efe6b8b73fb69d10ec78'] 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_hash_callback_string_eq_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 81878f133cf1520a898ab1dccc3c4ea8564ccc1e7b92efe6b8b73fb69d10ec78 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:56:19,332 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:56:19,426 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:56:19,434 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:56:19,434 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:56:19,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:56:19,483 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:56:19,483 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:56:19,484 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:56:19,485 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:56:19,485 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:56:19,485 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:56:19,485 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:56:19,485 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:56:19,485 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:56:19,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:56:19,485 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:56:19,485 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:56:19,485 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:56:19,485 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:56:19,485 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:56:19,485 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:56:19,486 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:56:19,486 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:56:19,486 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:56:19,486 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:56:19,486 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:56:19,486 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:56:19,486 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:56:19,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:56:19,486 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:56:19,486 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:56:19,486 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:56:19,486 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:56:19,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:56:19,486 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:56:19,486 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:56:19,486 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:56:19,486 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:56:19,486 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 -> 81878f133cf1520a898ab1dccc3c4ea8564ccc1e7b92efe6b8b73fb69d10ec78 [2024-11-07 11:56:19,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:56:19,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:56:19,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:56:19,789 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:56:19,790 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:56:19,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i [2024-11-07 11:56:21,004 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:56:21,535 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:56:21,537 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i [2024-11-07 11:56:21,578 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6ed23ce99/c841e51d01444d9dbff74e79b6156fba/FLAG003a1cc9c [2024-11-07 11:56:22,065 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6ed23ce99/c841e51d01444d9dbff74e79b6156fba [2024-11-07 11:56:22,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:56:22,068 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:56:22,069 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:56:22,069 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:56:22,076 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:56:22,081 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:56:22" (1/1) ... [2024-11-07 11:56:22,081 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13eae043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:56:22, skipping insertion in model container [2024-11-07 11:56:22,082 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:56:22" (1/1) ... [2024-11-07 11:56:22,225 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:56:22,569 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_hash_callback_string_eq_harness_negated.i[4501,4514] [2024-11-07 11:56:22,585 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_hash_callback_string_eq_harness_negated.i[4561,4574] [2024-11-07 11:56:23,558 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:23,561 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:23,561 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:23,561 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:23,562 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:23,578 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:23,580 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:23,582 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:23,583 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,129 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,130 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,350 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,350 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,369 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,370 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,373 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,374 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,385 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,386 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,386 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,386 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,387 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,387 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,387 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:56:24,460 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:56:24,473 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_hash_callback_string_eq_harness_negated.i[4501,4514] [2024-11-07 11:56:24,474 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_hash_callback_string_eq_harness_negated.i[4561,4574] [2024-11-07 11:56:24,506 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,507 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,507 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,507 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,507 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,511 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,513 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,513 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,513 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,630 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8223] [2024-11-07 11:56:24,632 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,632 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,685 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,686 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,691 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,691 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,697 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,697 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,702 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,702 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,703 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,703 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,703 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,703 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,704 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:56:24,928 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:56:24,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:56:24 WrapperNode [2024-11-07 11:56:24,930 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:56:24,931 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:56:24,931 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:56:24,931 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:56:24,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:56:24" (1/1) ... [2024-11-07 11:56:25,040 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:56:24" (1/1) ... [2024-11-07 11:56:25,105 INFO L138 Inliner]: procedures = 757, calls = 3256, calls flagged for inlining = 77, calls inlined = 7, statements flattened = 403 [2024-11-07 11:56:25,109 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:56:25,110 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:56:25,110 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:56:25,110 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:56:25,118 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:56:24" (1/1) ... [2024-11-07 11:56:25,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:56:24" (1/1) ... [2024-11-07 11:56:25,123 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:56:24" (1/1) ... [2024-11-07 11:56:25,147 INFO L175 MemorySlicer]: Split 277 memory accesses to 4 slices as follows [2, 5, 257, 13]. 93 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0, 0]. The 260 writes are split as follows [0, 0, 257, 3]. [2024-11-07 11:56:25,148 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:56:24" (1/1) ... [2024-11-07 11:56:25,148 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:56:24" (1/1) ... [2024-11-07 11:56:25,169 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:56:24" (1/1) ... [2024-11-07 11:56:25,171 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:56:24" (1/1) ... [2024-11-07 11:56:25,175 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:56:24" (1/1) ... [2024-11-07 11:56:25,176 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:56:24" (1/1) ... [2024-11-07 11:56:25,181 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:56:25,183 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:56:25,183 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:56:25,183 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:56:25,188 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:56:24" (1/1) ... [2024-11-07 11:56:25,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:56:25,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:56:25,226 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 11:56:25,229 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 11:56:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-07 11:56:25,259 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-07 11:56:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-07 11:56:25,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-07 11:56:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:56:25,259 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:56:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:56:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:56:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:56:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:56:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:56:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:56:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:56:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:56:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:56:25,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:56:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:56:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:56:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 11:56:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 11:56:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 11:56:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 11:56:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:56:25,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:56:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:56:25,260 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:56:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:56:25,260 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:56:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-07 11:56:25,260 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-07 11:56:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:56:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:56:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:56:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:56:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 11:56:25,260 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 11:56:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-07 11:56:25,260 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-07 11:56:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:56:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:56:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:56:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:56:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure aws_c_string_is_valid [2024-11-07 11:56:25,264 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_c_string_is_valid [2024-11-07 11:56:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:56:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:56:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:56:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:56:25,502 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:56:25,503 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:56:32,168 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !true; [2024-11-07 11:56:32,311 INFO L? ?]: Removed 82 outVars from TransFormulas that were not future-live. [2024-11-07 11:56:32,311 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:56:32,326 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:56:32,326 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-07 11:56:32,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:56:32 BoogieIcfgContainer [2024-11-07 11:56:32,327 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:56:32,333 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:56:32,334 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:56:32,342 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:56:32,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:56:22" (1/3) ... [2024-11-07 11:56:32,343 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@635de7c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:56:32, skipping insertion in model container [2024-11-07 11:56:32,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:56:24" (2/3) ... [2024-11-07 11:56:32,343 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@635de7c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:56:32, skipping insertion in model container [2024-11-07 11:56:32,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:56:32" (3/3) ... [2024-11-07 11:56:32,345 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_string_eq_harness_negated.i [2024-11-07 11:56:32,363 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:56:32,370 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:56:32,445 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:56:32,461 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;@2571f8ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:56:32,465 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:56:32,469 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 71 states have internal predecessors, (87), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-07 11:56:32,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-07 11:56:32,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:56:32,476 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 11:56:32,476 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:56:32,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:56:32,479 INFO L85 PathProgramCache]: Analyzing trace with hash 436511225, now seen corresponding path program 1 times [2024-11-07 11:56:32,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:56:32,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007950110] [2024-11-07 11:56:32,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:56:32,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:57:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:25,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:57:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:25,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:57:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:25,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 11:57:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:25,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 11:57:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:25,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:57:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:25,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 11:57:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:25,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-07 11:57:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:25,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-07 11:57:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:25,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 11:57:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:25,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 11:57:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:25,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 11:57:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:26,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 11:57:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:26,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 11:57:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:26,018 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 11:57:26,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:57:26,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007950110] [2024-11-07 11:57:26,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007950110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:57:26,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:57:26,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 11:57:26,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052057039] [2024-11-07 11:57:26,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:57:26,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 11:57:26,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:57:26,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 11:57:26,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 11:57:26,036 INFO L87 Difference]: Start difference. First operand has 110 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 71 states have internal predecessors, (87), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 11:57:30,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:57:34,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:57:36,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:57:36,453 INFO L93 Difference]: Finished difference Result 217 states and 299 transitions. [2024-11-07 11:57:36,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 11:57:36,455 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 93 [2024-11-07 11:57:36,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:57:36,460 INFO L225 Difference]: With dead ends: 217 [2024-11-07 11:57:36,460 INFO L226 Difference]: Without dead ends: 104 [2024-11-07 11:57:36,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 11:57:36,465 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 36 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 25 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2024-11-07 11:57:36,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 194 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 90 Invalid, 2 Unknown, 0 Unchecked, 10.3s Time] [2024-11-07 11:57:36,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-07 11:57:36,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-07 11:57:36,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 65 states have (on average 1.1846153846153846) internal successors, (77), 66 states have internal predecessors, (77), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-07 11:57:36,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 132 transitions. [2024-11-07 11:57:36,498 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 132 transitions. Word has length 93 [2024-11-07 11:57:36,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:57:36,499 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 132 transitions. [2024-11-07 11:57:36,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 11:57:36,499 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 132 transitions. [2024-11-07 11:57:36,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 11:57:36,505 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:57:36,505 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 11:57:36,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 11:57:36,506 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:57:36,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:57:36,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1648273971, now seen corresponding path program 1 times [2024-11-07 11:57:36,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:57:36,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676708636] [2024-11-07 11:57:36,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:57:36,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms