./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', 'c3c4a9e584379924ee65c46a83a6da8fed615179d4e8c5775609e5e7922fb6da'] 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_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c3c4a9e584379924ee65c46a83a6da8fed615179d4e8c5775609e5e7922fb6da --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:49:50,615 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:49:50,693 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:49:50,698 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:49:50,698 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:49:50,720 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:49:50,721 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:49:50,721 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:49:50,721 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:49:50,722 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:49:50,722 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:49:50,722 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:49:50,722 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:49:50,722 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:49:50,722 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:49:50,722 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:49:50,722 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:49:50,722 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:49:50,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:49:50,722 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:49:50,722 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:49:50,722 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:49:50,722 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:49:50,723 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:49:50,723 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:49:50,723 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:49:50,723 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:49:50,723 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:49:50,723 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:49:50,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:49:50,723 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:49:50,724 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:49:50,724 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:49:50,724 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:49:50,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:49:50,724 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:49:50,724 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:49:50,725 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:49:50,725 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:49:50,725 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 -> c3c4a9e584379924ee65c46a83a6da8fed615179d4e8c5775609e5e7922fb6da [2024-11-07 11:49:50,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:49:50,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:49:50,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:49:50,961 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:49:50,961 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:49:50,962 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i [2024-11-07 11:49:52,092 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:49:52,617 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:49:52,618 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i [2024-11-07 11:49:52,654 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8f7d929e5/dc728ac4edff4df1980822f1845d1302/FLAG391773bee [2024-11-07 11:49:52,684 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8f7d929e5/dc728ac4edff4df1980822f1845d1302 [2024-11-07 11:49:52,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:49:52,689 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:49:52,692 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:49:52,692 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:49:52,696 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:49:52,698 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:49:52" (1/1) ... [2024-11-07 11:49:52,699 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c8b5de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:49:52, skipping insertion in model container [2024-11-07 11:49:52,699 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:49:52" (1/1) ... [2024-11-07 11:49:52,766 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:49:52,970 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_negated.i[4505,4518] [2024-11-07 11:49:52,978 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_negated.i[4565,4578] [2024-11-07 11:49:53,465 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:53,468 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:53,468 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:53,469 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:53,469 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:53,480 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:53,481 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:53,482 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:53,482 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:53,883 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:53,883 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:53,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:49:53,982 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:49:53,991 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_negated.i[4505,4518] [2024-11-07 11:49:53,992 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_negated.i[4565,4578] [2024-11-07 11:49:54,028 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:54,028 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:54,028 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:54,028 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:54,029 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:54,033 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:54,033 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:54,033 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:54,033 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:54,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2024-11-07 11:49:54,162 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:54,163 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:49:54,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2024-11-07 11:49:54,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:49:54,336 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:49:54,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:49:54 WrapperNode [2024-11-07 11:49:54,336 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:49:54,337 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:49:54,337 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:49:54,337 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:49:54,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:49:54" (1/1) ... [2024-11-07 11:49:54,399 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:49:54" (1/1) ... [2024-11-07 11:49:54,465 INFO L138 Inliner]: procedures = 680, calls = 2654, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 928 [2024-11-07 11:49:54,465 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:49:54,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:49:54,466 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:49:54,466 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:49:54,480 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:49:54" (1/1) ... [2024-11-07 11:49:54,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:49:54" (1/1) ... [2024-11-07 11:49:54,486 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:49:54" (1/1) ... [2024-11-07 11:49:54,555 INFO L175 MemorySlicer]: Split 558 memory accesses to 7 slices as follows [2, 257, 238, 4, 6, 46, 5]. 46 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 0, 0, 4, 5]. The 494 writes are split as follows [0, 257, 232, 0, 2, 3, 0]. [2024-11-07 11:49:54,555 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:49:54" (1/1) ... [2024-11-07 11:49:54,556 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:49:54" (1/1) ... [2024-11-07 11:49:54,588 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:49:54" (1/1) ... [2024-11-07 11:49:54,594 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:49:54" (1/1) ... [2024-11-07 11:49:54,600 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:49:54" (1/1) ... [2024-11-07 11:49:54,603 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:49:54" (1/1) ... [2024-11-07 11:49:54,610 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:49:54,610 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:49:54,611 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:49:54,611 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:49:54,613 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:49:54" (1/1) ... [2024-11-07 11:49:54,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:49:54,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:49:54,652 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 11:49:54,654 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 11:49:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-07 11:49:54,671 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-07 11:49:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lexical [2024-11-07 11:49:54,672 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lexical [2024-11-07 11:49:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:49:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:49:54,673 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:49:54,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:49:54,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:49:54,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:49:54,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:49:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 11:49:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 11:49:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 11:49:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:49:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:49:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:49:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:49:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 11:49:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 11:49:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 11:49:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2024-11-07 11:49:54,674 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2024-11-07 11:49:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:49:54,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:49:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:49:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:49:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-07 11:49:54,674 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-07 11:49:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 11:49:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 11:49:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 11:49:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 11:49:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 11:49:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 11:49:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 11:49:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:49:54,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:49:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:49:54,675 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:49:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-07 11:49:54,675 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-07 11:49:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 11:49:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 11:49:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 11:49:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 11:49:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 11:49:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 11:49:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-07 11:49:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:49:54,675 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:49:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:49:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 11:49:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 11:49:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 11:49:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 11:49:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 11:49:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 11:49:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 11:49:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:49:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:49:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:49:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:49:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 11:49:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 11:49:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-07 11:49:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-07 11:49:54,675 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-07 11:49:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:49:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:49:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:49:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:49:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 11:49:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 11:49:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 11:49:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-07 11:49:54,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-07 11:49:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:49:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:49:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:49:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:49:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 11:49:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 11:49:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 11:49:54,938 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:49:54,940 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:50:02,449 INFO L? ?]: Removed 95 outVars from TransFormulas that were not future-live. [2024-11-07 11:50:02,449 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:50:02,459 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:50:02,459 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 11:50:02,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:50:02 BoogieIcfgContainer [2024-11-07 11:50:02,460 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:50:02,462 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:50:02,462 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:50:02,465 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:50:02,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:49:52" (1/3) ... [2024-11-07 11:50:02,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@786bcf85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:50:02, skipping insertion in model container [2024-11-07 11:50:02,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:49:54" (2/3) ... [2024-11-07 11:50:02,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@786bcf85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:50:02, skipping insertion in model container [2024-11-07 11:50:02,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:50:02" (3/3) ... [2024-11-07 11:50:02,467 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lexical_harness_negated.i [2024-11-07 11:50:02,477 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:50:02,477 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:50:02,528 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:50:02,536 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;@4f790a4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:50:02,536 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:50:02,540 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 11:50:02,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-07 11:50:02,548 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:50:02,549 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 11:50:02,549 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:50:02,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:50:02,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1411432407, now seen corresponding path program 1 times [2024-11-07 11:50:02,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:50:02,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178128842] [2024-11-07 11:50:02,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:50:02,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:51:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:11,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:51:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:11,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 11:51:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:11,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 11:51:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:11,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:51:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:11,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 11:51:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:11,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 11:51:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:11,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 11:51:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:11,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 11:51:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:12,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 11:51:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:12,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 11:51:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:12,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 11:51:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:12,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 11:51:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:12,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 11:51:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:12,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 11:51:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:12,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 11:51:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:12,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 11:51:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:12,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 11:51:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:12,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 11:51:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:12,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 11:51:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:12,175 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 11:51:12,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:51:12,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178128842] [2024-11-07 11:51:12,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178128842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:51:12,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:51:12,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 11:51:12,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086904251] [2024-11-07 11:51:12,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:51:12,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 11:51:12,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:51:12,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 11:51:12,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 11:51:12,197 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 11:51:16,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:51:19,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:51:19,811 INFO L93 Difference]: Finished difference Result 297 states and 435 transitions. [2024-11-07 11:51:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 11:51:19,813 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 11:51:19,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:51:19,818 INFO L225 Difference]: With dead ends: 297 [2024-11-07 11:51:19,818 INFO L226 Difference]: Without dead ends: 146 [2024-11-07 11:51:19,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 11:51:19,823 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 132 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 122 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s 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, 7.1s IncrementalHoareTripleChecker+Time [2024-11-07 11:51:19,823 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 163 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 187 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2024-11-07 11:51:19,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-07 11:51:19,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 143. [2024-11-07 11:51:19,856 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 11:51:19,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 193 transitions. [2024-11-07 11:51:19,861 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 193 transitions. Word has length 120 [2024-11-07 11:51:19,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:51:19,862 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 193 transitions. [2024-11-07 11:51:19,862 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 11:51:19,862 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 193 transitions. [2024-11-07 11:51:19,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-07 11:51:19,865 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:51:19,865 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 11:51:19,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 11:51:19,866 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:51:19,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:51:19,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1331612261, now seen corresponding path program 1 times [2024-11-07 11:51:19,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:51:19,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911513955] [2024-11-07 11:51:19,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:51:19,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms