./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.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.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', '617e08addfe2d13b261907959d3757079a581721356bb3e7b4090decaff2b168'] 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.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 617e08addfe2d13b261907959d3757079a581721356bb3e7b4090decaff2b168 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:56:19,216 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:56:19,293 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:56:19,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:56:19,299 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:56:19,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:56:19,319 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:56:19,319 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:56:19,320 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:56:19,320 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:56:19,320 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:56:19,320 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:56:19,320 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:56:19,321 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:56:19,321 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:56:19,321 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:56:19,321 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:56:19,321 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:56:19,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:56:19,321 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:56:19,321 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:56:19,322 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:56:19,322 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:56:19,322 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:56:19,322 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:56:19,322 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:56:19,322 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:56:19,322 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:56:19,323 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:56:19,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:56:19,323 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:56:19,323 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:56:19,323 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:56:19,323 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:56:19,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:56:19,323 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:56:19,324 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:56:19,324 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:56:19,324 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:56:19,324 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 -> 617e08addfe2d13b261907959d3757079a581721356bb3e7b4090decaff2b168 [2024-11-07 11:56:19,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:56:19,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:56:19,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:56:19,612 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:56:19,612 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:56:19,614 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i [2024-11-07 11:56:20,980 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:56:21,623 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:56:21,624 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i [2024-11-07 11:56:21,675 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/13e8a8ea7/3895bb75c0eb48c3977f6fcc6c9348a9/FLAGa314bdf7f [2024-11-07 11:56:21,691 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/13e8a8ea7/3895bb75c0eb48c3977f6fcc6c9348a9 [2024-11-07 11:56:21,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:56:21,694 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:56:21,695 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:56:21,695 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:56:21,699 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:56:21,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:56:21" (1/1) ... [2024-11-07 11:56:21,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e2e032a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:56:21, skipping insertion in model container [2024-11-07 11:56:21,701 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:56:21" (1/1) ... [2024-11-07 11:56:21,794 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:56:22,090 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.i[4501,4514] [2024-11-07 11:56:22,101 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.i[4561,4574] [2024-11-07 11:56:23,019 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:23,020 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:23,020 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:23,021 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:23,021 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:23,034 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:23,034 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:23,039 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:23,039 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:23,573 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:23,573 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:23,782 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:23,821 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:23,847 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:23,848 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:23,856 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:23,856 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:23,873 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:23,874 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:23,875 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:23,875 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:23,876 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:23,876 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:23,877 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:23,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:56:23,961 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:56:23,981 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.i[4501,4514] [2024-11-07 11:56:23,981 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.i[4561,4574] [2024-11-07 11:56:24,025 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,027 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,027 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,027 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,028 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,035 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,035 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,036 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,036 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,136 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8255] [2024-11-07 11:56:24,137 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,138 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,251 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,251 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,258 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,262 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,265 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,266 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,274 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,275 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,275 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,276 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,276 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,276 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,277 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:56:24,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:56:24,512 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:56:24,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:56:24 WrapperNode [2024-11-07 11:56:24,513 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:56:24,514 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:56:24,514 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:56:24,514 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:56:24,520 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 11:56:24,611 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 11:56:24,674 INFO L138 Inliner]: procedures = 757, calls = 3256, calls flagged for inlining = 77, calls inlined = 7, statements flattened = 403 [2024-11-07 11:56:24,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:56:24,677 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:56:24,677 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:56:24,678 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:56:24,688 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 11:56:24,689 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 11:56:24,694 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 11:56:24,724 INFO L175 MemorySlicer]: Split 277 memory accesses to 4 slices as follows [2, 13, 257, 5]. 93 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 0, 0, 5]. The 260 writes are split as follows [0, 3, 257, 0]. [2024-11-07 11:56:24,725 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 11:56:24,725 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 11:56:24,744 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:56:24" (1/1) ... [2024-11-07 11:56:24,751 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 11:56:24,761 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 11:56:24,764 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 11:56:24,774 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:56:24,775 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:56:24,779 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:56:24,779 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:56:24,780 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 11:56:24,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:56:24,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:56:24,833 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 11:56:24,836 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 11:56:24,858 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-07 11:56:24,859 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-07 11:56:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-07 11:56:24,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-07 11:56:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:56:24,859 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:56:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:56:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:56:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:56:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:56:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:56:24,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:56:24,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:56:24,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:56:24,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:56:24,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:56:24,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:56:24,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:56:24,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 11:56:24,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 11:56:24,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 11:56:24,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 11:56:24,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:56:24,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:56:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:56:24,862 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:56:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:56:24,862 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:56:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-07 11:56:24,862 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-07 11:56:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:56:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:56:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:56:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:56:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 11:56:24,862 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 11:56:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-07 11:56:24,863 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-07 11:56:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:56:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:56:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:56:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:56:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure aws_c_string_is_valid [2024-11-07 11:56:24,864 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_c_string_is_valid [2024-11-07 11:56:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:56:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:56:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:56:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:56:25,164 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:56:25,166 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:56:32,031 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !true; [2024-11-07 11:56:32,122 INFO L? ?]: Removed 82 outVars from TransFormulas that were not future-live. [2024-11-07 11:56:32,123 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:56:32,132 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:56:32,132 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-07 11:56:32,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:56:32 BoogieIcfgContainer [2024-11-07 11:56:32,133 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:56:32,135 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:56:32,135 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:56:32,140 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:56:32,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:56:21" (1/3) ... [2024-11-07 11:56:32,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32465819 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 11:56:32,142 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 11:56:32,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32465819 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 11:56:32,142 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 11:56:32,143 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_string_eq_harness.i [2024-11-07 11:56:32,157 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:56:32,157 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:56:32,212 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:56:32,224 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;@5b40d71f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:56:32,224 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:56:32,229 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 11:56:32,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-07 11:56:32,240 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:56:32,241 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 11:56:32,241 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:56:32,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:56:32,246 INFO L85 PathProgramCache]: Analyzing trace with hash 436511225, now seen corresponding path program 1 times [2024-11-07 11:56:32,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:56:32,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779813844] [2024-11-07 11:56:32,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:56:32,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:57:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:16,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:57:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:17,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:57:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:17,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 11:57:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:17,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 11:57:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:17,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:57:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:17,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 11:57:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:17,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-07 11:57:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:17,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-07 11:57:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:17,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 11:57:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:17,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 11:57:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:17,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 11:57:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:17,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 11:57:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:17,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 11:57:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:17,364 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 11:57:17,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:57:17,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779813844] [2024-11-07 11:57:17,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779813844] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:57:17,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:57:17,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 11:57:17,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605606035] [2024-11-07 11:57:17,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:57:17,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 11:57:17,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:57:17,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 11:57:17,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 11:57:17,394 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 11:57:21,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:57:25,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:57:28,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:57:28,069 INFO L93 Difference]: Finished difference Result 217 states and 299 transitions. [2024-11-07 11:57:28,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 11:57:28,072 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 11:57:28,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:57:28,078 INFO L225 Difference]: With dead ends: 217 [2024-11-07 11:57:28,078 INFO L226 Difference]: Without dead ends: 104 [2024-11-07 11:57:28,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 11:57:28,082 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 36 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 25 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s 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, 10.6s IncrementalHoareTripleChecker+Time [2024-11-07 11:57:28,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 194 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 90 Invalid, 2 Unknown, 0 Unchecked, 10.6s Time] [2024-11-07 11:57:28,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-07 11:57:28,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-07 11:57:28,119 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 11:57:28,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 132 transitions. [2024-11-07 11:57:28,132 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 132 transitions. Word has length 93 [2024-11-07 11:57:28,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:57:28,133 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 132 transitions. [2024-11-07 11:57:28,133 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 11:57:28,134 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 132 transitions. [2024-11-07 11:57:28,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 11:57:28,139 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:57:28,139 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 11:57:28,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 11:57:28,139 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:57:28,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:57:28,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1648273971, now seen corresponding path program 1 times [2024-11-07 11:57:28,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:57:28,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706958216] [2024-11-07 11:57:28,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:57:28,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms