./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_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_buf_append_dynamic_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', '2645e4add29ef9adc891aaf11068209afc07e559232dc682f343d102e9e79145'] 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_buf_append_dynamic_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 2645e4add29ef9adc891aaf11068209afc07e559232dc682f343d102e9e79145 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:42:03,972 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:42:04,052 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:42:04,059 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:42:04,061 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:42:04,090 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:42:04,091 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:42:04,092 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:42:04,092 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:42:04,092 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:42:04,093 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:42:04,093 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:42:04,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:42:04,094 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:42:04,094 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:42:04,094 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:42:04,094 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:42:04,095 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:42:04,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:42:04,095 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:42:04,095 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:42:04,095 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:42:04,095 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:42:04,096 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:42:04,096 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:42:04,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:42:04,096 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:42:04,096 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:42:04,096 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:42:04,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:42:04,097 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:42:04,097 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:42:04,097 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:42:04,097 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:42:04,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:42:04,098 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:42:04,098 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:42:04,098 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:42:04,098 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:42:04,098 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 -> 2645e4add29ef9adc891aaf11068209afc07e559232dc682f343d102e9e79145 [2024-11-07 11:42:04,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:42:04,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:42:04,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:42:04,541 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:42:04,542 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:42:04,543 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_harness.i [2024-11-07 11:42:05,871 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:42:06,436 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:42:06,437 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_harness.i [2024-11-07 11:42:06,486 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/695cab1e2/32bd1e2e26cf468389e5aba649c5acba/FLAGd0c04384a [2024-11-07 11:42:06,503 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/695cab1e2/32bd1e2e26cf468389e5aba649c5acba [2024-11-07 11:42:06,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:42:06,510 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:42:06,511 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:42:06,512 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:42:06,516 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:42:06,517 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:42:06" (1/1) ... [2024-11-07 11:42:06,518 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29a66b3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:06, skipping insertion in model container [2024-11-07 11:42:06,518 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:42:06" (1/1) ... [2024-11-07 11:42:06,612 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:42:06,847 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_buf_append_dynamic_harness.i[4501,4514] [2024-11-07 11:42:06,855 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_buf_append_dynamic_harness.i[4561,4574] [2024-11-07 11:42:07,401 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:07,406 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:07,410 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:07,412 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:07,414 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:07,431 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:07,432 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:07,434 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:07,434 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:07,854 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:07,854 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:07,948 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:07,949 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:08,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:42:08,073 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:42:08,091 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_buf_append_dynamic_harness.i[4501,4514] [2024-11-07 11:42:08,092 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_buf_append_dynamic_harness.i[4561,4574] [2024-11-07 11:42:08,135 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:08,136 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:08,136 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:08,136 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:08,137 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:08,143 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:08,144 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:08,144 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:08,145 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:08,223 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:08,223 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:08,329 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8297] [2024-11-07 11:42:08,331 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:08,332 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:08,345 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8783-8794] [2024-11-07 11:42:08,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:42:08,582 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:42:08,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:08 WrapperNode [2024-11-07 11:42:08,583 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:42:08,584 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:42:08,584 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:42:08,584 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:42:08,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:08" (1/1) ... [2024-11-07 11:42:08,676 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:08" (1/1) ... [2024-11-07 11:42:08,781 INFO L138 Inliner]: procedures = 680, calls = 2637, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 1080 [2024-11-07 11:42:08,782 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:42:08,783 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:42:08,783 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:42:08,783 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:42:08,792 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:08" (1/1) ... [2024-11-07 11:42:08,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:08" (1/1) ... [2024-11-07 11:42:08,800 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:08" (1/1) ... [2024-11-07 11:42:08,884 INFO L175 MemorySlicer]: Split 595 memory accesses to 9 slices as follows [2, 5, 257, 238, 9, 8, 25, 47, 4]. 43 percent of accesses are in the largest equivalence class. The 26 initializations are split as follows [2, 1, 0, 6, 5, 4, 2, 4, 2]. The 497 writes are split as follows [0, 1, 257, 232, 1, 0, 1, 5, 0]. [2024-11-07 11:42:08,888 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:08" (1/1) ... [2024-11-07 11:42:08,889 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:08" (1/1) ... [2024-11-07 11:42:08,933 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:08" (1/1) ... [2024-11-07 11:42:08,938 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:08" (1/1) ... [2024-11-07 11:42:08,949 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:08" (1/1) ... [2024-11-07 11:42:08,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:08" (1/1) ... [2024-11-07 11:42:08,992 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:42:08,993 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:42:08,994 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:42:08,994 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:42:08,995 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:08" (1/1) ... [2024-11-07 11:42:09,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:42:09,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:42:09,033 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 11:42:09,038 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 11:42:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-07 11:42:09,064 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-07 11:42:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-07 11:42:09,064 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-07 11:42:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:42:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:42:09,064 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:42:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-07 11:42:09,064 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-07 11:42:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:42:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:42:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:42:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:42:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 11:42:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 11:42:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 11:42:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-07 11:42:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-07 11:42:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:42:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:42:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:42:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:42:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 11:42:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 11:42:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 11:42:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-07 11:42:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-07 11:42:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-07 11:42:09,067 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-07 11:42:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:42:09,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:42:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:42:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:42:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 11:42:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 11:42:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 11:42:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 11:42:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 11:42:09,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 11:42:09,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 11:42:09,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-07 11:42:09,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-07 11:42:09,068 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-07 11:42:09,068 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-07 11:42:09,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:42:09,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:42:09,068 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:42:09,069 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:42:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 11:42:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 11:42:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 11:42:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 11:42:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 11:42:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 11:42:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-07 11:42:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-07 11:42:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-07 11:42:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-07 11:42:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-07 11:42:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-07 11:42:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-07 11:42:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:42:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:42:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-07 11:42:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-07 11:42:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-07 11:42:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-07 11:42:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:42:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-07 11:42:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-07 11:42:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 11:42:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 11:42:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 11:42:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 11:42:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 11:42:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 11:42:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 11:42:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-07 11:42:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-07 11:42:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:42:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:42:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:42:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:42:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 11:42:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 11:42:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-07 11:42:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-07 11:42:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-07 11:42:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 11:42:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 11:42:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-07 11:42:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-07 11:42:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2024-11-07 11:42:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2024-11-07 11:42:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-07 11:42:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-07 11:42:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:42:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:42:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:42:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:42:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 11:42:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 11:42:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 11:42:09,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-07 11:42:09,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-07 11:42:09,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:42:09,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:42:09,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:42:09,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:42:09,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 11:42:09,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 11:42:09,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 11:42:09,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-07 11:42:09,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-07 11:42:09,422 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:42:09,425 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:42:18,149 INFO L? ?]: Removed 141 outVars from TransFormulas that were not future-live. [2024-11-07 11:42:18,150 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:42:18,168 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:42:18,169 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-07 11:42:18,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:42:18 BoogieIcfgContainer [2024-11-07 11:42:18,172 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:42:18,175 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:42:18,176 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:42:18,180 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:42:18,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:42:06" (1/3) ... [2024-11-07 11:42:18,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2afbfda7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:42:18, skipping insertion in model container [2024-11-07 11:42:18,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:08" (2/3) ... [2024-11-07 11:42:18,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2afbfda7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:42:18, skipping insertion in model container [2024-11-07 11:42:18,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:42:18" (3/3) ... [2024-11-07 11:42:18,184 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_dynamic_harness.i [2024-11-07 11:42:18,198 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:42:18,199 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:42:18,272 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:42:18,284 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;@38ee4b47, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:42:18,285 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:42:18,292 INFO L276 IsEmpty]: Start isEmpty. Operand has 248 states, 156 states have (on average 1.2371794871794872) internal successors, (193), 157 states have internal predecessors, (193), 72 states have call successors, (72), 18 states have call predecessors, (72), 18 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-07 11:42:18,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-07 11:42:18,304 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:42:18,305 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 11:42:18,305 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:42:18,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:42:18,310 INFO L85 PathProgramCache]: Analyzing trace with hash 2028514092, now seen corresponding path program 1 times [2024-11-07 11:42:18,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:42:18,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11505624] [2024-11-07 11:42:18,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:42:18,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:43:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:28,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:43:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:28,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 11:43:28,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:28,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:43:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:28,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 11:43:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:28,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 11:43:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:28,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 11:43:28,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:28,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 11:43:28,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:28,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 11:43:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:28,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 11:43:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:28,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 11:43:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:28,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-07 11:43:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:28,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 11:43:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:28,711 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-07 11:43:28,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:43:28,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11505624] [2024-11-07 11:43:28,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11505624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:43:28,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:43:28,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 11:43:28,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29236351] [2024-11-07 11:43:28,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:43:28,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 11:43:28,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:43:28,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 11:43:28,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 11:43:28,743 INFO L87 Difference]: Start difference. First operand has 248 states, 156 states have (on average 1.2371794871794872) internal successors, (193), 157 states have internal predecessors, (193), 72 states have call successors, (72), 18 states have call predecessors, (72), 18 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-07 11:43:32,952 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 11:43:35,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:43:35,946 INFO L93 Difference]: Finished difference Result 500 states and 722 transitions. [2024-11-07 11:43:35,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 11:43:35,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 83 [2024-11-07 11:43:35,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:43:35,958 INFO L225 Difference]: With dead ends: 500 [2024-11-07 11:43:35,958 INFO L226 Difference]: Without dead ends: 255 [2024-11-07 11:43:35,965 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 11:43:35,968 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 116 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 61 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2024-11-07 11:43:35,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 289 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 190 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2024-11-07 11:43:35,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-07 11:43:36,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 243. [2024-11-07 11:43:36,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 152 states have (on average 1.2171052631578947) internal successors, (185), 153 states have internal predecessors, (185), 72 states have call successors, (72), 18 states have call predecessors, (72), 18 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-07 11:43:36,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 328 transitions. [2024-11-07 11:43:36,050 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 328 transitions. Word has length 83 [2024-11-07 11:43:36,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:43:36,051 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 328 transitions. [2024-11-07 11:43:36,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-07 11:43:36,052 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 328 transitions. [2024-11-07 11:43:36,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-07 11:43:36,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:43:36,057 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 11:43:36,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 11:43:36,057 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:43:36,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:43:36,061 INFO L85 PathProgramCache]: Analyzing trace with hash -2028390636, now seen corresponding path program 1 times [2024-11-07 11:43:36,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:43:36,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985822838] [2024-11-07 11:43:36,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:43:36,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms