./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_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_byte_cursor_compare_lexical_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', 'fa640d76b01d20471995032e33acbe8cd362fa74ac26bb02247b6be5b51a4b6c'] 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_compare_lexical_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 fa640d76b01d20471995032e33acbe8cd362fa74ac26bb02247b6be5b51a4b6c --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:49:27,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:49:27,719 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:49:27,728 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:49:27,731 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:49:27,763 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:49:27,764 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:49:27,765 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:49:27,765 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:49:27,765 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:49:27,766 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:49:27,766 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:49:27,766 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:49:27,767 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:49:27,767 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:49:27,768 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:49:27,768 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:49:27,768 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:49:27,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:49:27,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:49:27,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:49:27,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:49:27,769 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:49:27,769 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:49:27,769 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:49:27,769 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:49:27,769 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:49:27,769 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:49:27,769 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:49:27,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:49:27,769 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:49:27,769 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:49:27,769 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:49:27,769 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:49:27,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:49:27,769 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:49:27,770 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:49:27,770 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:49:27,770 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:49:27,770 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 -> fa640d76b01d20471995032e33acbe8cd362fa74ac26bb02247b6be5b51a4b6c [2024-11-07 11:49:28,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:49:28,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:49:28,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:49:28,068 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:49:28,068 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:49:28,070 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i [2024-11-07 11:49:29,340 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:49:29,798 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:49:29,798 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i [2024-11-07 11:49:29,846 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ab6cf1d8e/8c188fa16811481b9c8d2055a71277b0/FLAG010f5ff6a [2024-11-07 11:49:29,864 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ab6cf1d8e/8c188fa16811481b9c8d2055a71277b0 [2024-11-07 11:49:29,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:49:29,869 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:49:29,870 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:49:29,870 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:49:29,875 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:49:29,876 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:49:29" (1/1) ... [2024-11-07 11:49:29,878 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3756f8e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:49:29, skipping insertion in model container [2024-11-07 11:49:29,878 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:49:29" (1/1) ... [2024-11-07 11:49:29,957 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:49:30,177 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_compare_lexical_harness.i[4505,4518] [2024-11-07 11:49:30,188 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_compare_lexical_harness.i[4565,4578] [2024-11-07 11:49:30,725 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:30,726 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:30,726 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:30,727 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:30,731 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:30,745 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:30,746 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:30,748 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:30,748 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:31,180 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:31,180 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:31,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:49:31,289 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:49:31,303 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_compare_lexical_harness.i[4505,4518] [2024-11-07 11:49:31,303 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_compare_lexical_harness.i[4565,4578] [2024-11-07 11:49:31,349 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:31,350 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:31,350 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:31,351 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:31,351 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:31,358 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:31,359 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:31,360 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:31,360 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:31,532 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-11-07 11:49:31,534 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:31,535 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:31,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-11-07 11:49:31,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:49:31,798 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:49:31,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:49:31 WrapperNode [2024-11-07 11:49:31,800 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:49:31,801 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:49:31,801 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:49:31,801 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:49:31,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:49:31" (1/1) ... [2024-11-07 11:49:31,897 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:49:31" (1/1) ... [2024-11-07 11:49:31,991 INFO L138 Inliner]: procedures = 680, calls = 2654, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 928 [2024-11-07 11:49:31,992 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:49:31,992 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:49:31,993 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:49:31,993 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:49:32,003 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:49:31" (1/1) ... [2024-11-07 11:49:32,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:49:31" (1/1) ... [2024-11-07 11:49:32,013 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:49:31" (1/1) ... [2024-11-07 11:49:32,092 INFO L175 MemorySlicer]: Split 558 memory accesses to 7 slices as follows [2, 46, 257, 238, 4, 6, 5]. 46 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 4, 0, 6, 0, 0, 5]. The 494 writes are split as follows [0, 3, 257, 232, 0, 2, 0]. [2024-11-07 11:49:32,093 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:49:31" (1/1) ... [2024-11-07 11:49:32,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:49:31" (1/1) ... [2024-11-07 11:49:32,143 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:49:31" (1/1) ... [2024-11-07 11:49:32,149 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:49:31" (1/1) ... [2024-11-07 11:49:32,157 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:49:31" (1/1) ... [2024-11-07 11:49:32,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:49:31" (1/1) ... [2024-11-07 11:49:32,168 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:49:32,169 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:49:32,169 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:49:32,169 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:49:32,170 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:49:31" (1/1) ... [2024-11-07 11:49:32,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:49:32,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:49:32,226 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 11:49:32,229 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 11:49:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-07 11:49:32,254 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-07 11:49:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lexical [2024-11-07 11:49:32,255 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lexical [2024-11-07 11:49:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:49:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:49:32,256 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:49:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:49:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:49:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:49:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:49:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 11:49:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 11:49:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 11:49:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:49:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:49:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:49:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:49:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 11:49:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 11:49:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 11:49:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2024-11-07 11:49:32,259 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2024-11-07 11:49:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:49:32,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:49:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:49:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:49:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-07 11:49:32,260 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-07 11:49:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 11:49:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 11:49:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 11:49:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 11:49:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 11:49:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 11:49:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 11:49:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:49:32,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:49:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:49:32,261 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:49:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-07 11:49:32,262 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-07 11:49:32,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 11:49:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 11:49:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 11:49:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 11:49:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 11:49:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 11:49:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-07 11:49:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:49:32,263 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:49:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:49:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 11:49:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 11:49:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 11:49:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 11:49:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 11:49:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 11:49:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 11:49:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:49:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:49:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:49:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:49:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 11:49:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 11:49:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-07 11:49:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-07 11:49:32,264 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-07 11:49:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:49:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:49:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:49:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:49:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 11:49:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 11:49:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 11:49:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-07 11:49:32,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-07 11:49:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:49:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:49:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:49:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:49:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 11:49:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 11:49:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 11:49:32,556 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:49:32,557 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:49:40,953 INFO L? ?]: Removed 95 outVars from TransFormulas that were not future-live. [2024-11-07 11:49:40,953 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:49:40,967 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:49:40,970 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 11:49:40,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:49:40 BoogieIcfgContainer [2024-11-07 11:49:40,970 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:49:40,973 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:49:40,973 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:49:40,977 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:49:40,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:49:29" (1/3) ... [2024-11-07 11:49:40,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a2f5f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:49:40, skipping insertion in model container [2024-11-07 11:49:40,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:49:31" (2/3) ... [2024-11-07 11:49:40,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a2f5f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:49:40, skipping insertion in model container [2024-11-07 11:49:40,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:49:40" (3/3) ... [2024-11-07 11:49:40,980 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lexical_harness.i [2024-11-07 11:49:40,994 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:49:40,994 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:49:41,046 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:49:41,056 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;@72db7bc7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:49:41,056 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:49:41,060 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 90 states have (on average 1.2222222222222223) internal successors, (110), 91 states have internal predecessors, (110), 46 states have call successors, (46), 11 states have call predecessors, (46), 11 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-07 11:49:41,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-07 11:49:41,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:49:41,072 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1] [2024-11-07 11:49:41,072 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:49:41,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:49:41,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1411432407, now seen corresponding path program 1 times [2024-11-07 11:49:41,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:49:41,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252967061] [2024-11-07 11:49:41,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:49:41,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:50:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:50:48,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:50:48,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:50:48,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 11:50:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:50:48,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 11:50:48,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:50:48,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:50:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:50:48,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 11:50:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:50:48,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 11:50:48,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:50:48,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 11:50:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:50:48,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 11:50:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:50:48,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 11:50:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:50:48,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 11:50:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:50:48,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 11:50:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:50:48,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 11:50:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:50:48,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 11:50:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:50:48,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 11:50:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:50:48,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 11:50:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:50:48,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 11:50:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:50:48,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 11:50:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:50:48,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 11:50:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:50:48,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 11:50:48,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:50:48,910 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-07 11:50:48,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:50:48,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252967061] [2024-11-07 11:50:48,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252967061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:50:48,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:50:48,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 11:50:48,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118663153] [2024-11-07 11:50:48,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:50:48,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 11:50:48,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:50:48,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 11:50:48,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 11:50:48,935 INFO L87 Difference]: Start difference. First operand has 149 states, 90 states have (on average 1.2222222222222223) internal successors, (110), 91 states have internal predecessors, (110), 46 states have call successors, (46), 11 states have call predecessors, (46), 11 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-07 11:50:53,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:50:56,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:50:56,810 INFO L93 Difference]: Finished difference Result 297 states and 435 transitions. [2024-11-07 11:50:56,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 11:50:56,812 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 120 [2024-11-07 11:50:56,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:50:56,819 INFO L225 Difference]: With dead ends: 297 [2024-11-07 11:50:56,819 INFO L226 Difference]: Without dead ends: 146 [2024-11-07 11:50:56,822 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 11:50:56,825 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 132 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 122 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2024-11-07 11:50:56,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 163 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 187 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2024-11-07 11:50:56,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-07 11:50:56,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 143. [2024-11-07 11:50:56,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 85 states have (on average 1.2) internal successors, (102), 86 states have internal predecessors, (102), 46 states have call successors, (46), 11 states have call predecessors, (46), 11 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-07 11:50:56,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 193 transitions. [2024-11-07 11:50:56,886 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 193 transitions. Word has length 120 [2024-11-07 11:50:56,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:50:56,887 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 193 transitions. [2024-11-07 11:50:56,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-07 11:50:56,887 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 193 transitions. [2024-11-07 11:50:56,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-07 11:50:56,891 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:50:56,892 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1] [2024-11-07 11:50:56,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 11:50:56,893 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:50:56,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:50:56,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1331612261, now seen corresponding path program 1 times [2024-11-07 11:50:56,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:50:56,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114652201] [2024-11-07 11:50:56,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:50:56,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms