./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 983481f5e23e9dbaf95892c19981dd4a39c2fab33de5cb70c70e0ce781cf6fc6 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:06:47,660 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:06:47,742 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:06:47,746 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:06:47,746 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:06:47,769 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:06:47,769 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:06:47,770 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:06:47,771 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:06:47,772 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:06:47,774 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:06:47,774 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:06:47,774 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:06:47,774 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:06:47,775 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:06:47,775 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:06:47,775 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:06:47,775 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:06:47,776 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:06:47,776 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:06:47,777 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:06:47,778 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:06:47,778 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:06:47,778 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:06:47,778 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:06:47,778 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:06:47,779 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:06:47,779 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:06:47,779 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:06:47,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:06:47,780 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:06:47,780 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:06:47,781 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:06:47,781 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:06:47,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:06:47,781 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:06:47,782 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:06:47,782 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:06:47,782 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:06:47,782 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983481f5e23e9dbaf95892c19981dd4a39c2fab33de5cb70c70e0ce781cf6fc6 [2024-11-09 03:06:47,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:06:48,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:06:48,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:06:48,006 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:06:48,006 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:06:48,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness_negated.i [2024-11-09 03:06:49,220 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:06:49,619 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:06:49,619 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness_negated.i [2024-11-09 03:06:49,652 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/392fc3ae8/aa3c2e62e4c64db19edb108d0c7a6fb8/FLAG40e6bf54b [2024-11-09 03:06:49,798 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/392fc3ae8/aa3c2e62e4c64db19edb108d0c7a6fb8 [2024-11-09 03:06:49,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:06:49,801 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:06:49,802 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:06:49,803 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:06:49,809 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:06:49,809 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:06:49" (1/1) ... [2024-11-09 03:06:49,810 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70d288f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:49, skipping insertion in model container [2024-11-09 03:06:49,810 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:06:49" (1/1) ... [2024-11-09 03:06:49,881 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:06:50,112 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness_negated.i[4492,4505] [2024-11-09 03:06:50,121 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness_negated.i[4552,4565] [2024-11-09 03:06:50,702 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:50,703 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:50,704 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:50,704 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:50,705 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:50,715 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:50,715 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:50,717 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:50,717 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:51,139 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:51,140 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:51,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:06:51,256 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:06:51,272 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness_negated.i[4492,4505] [2024-11-09 03:06:51,272 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness_negated.i[4552,4565] [2024-11-09 03:06:51,309 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:51,309 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:51,310 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:51,310 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:51,311 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:51,316 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:51,316 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:51,317 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:51,317 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:51,505 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-09 03:06:51,510 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:51,510 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:51,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2024-11-09 03:06:51,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:06:51,763 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:06:51,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:51 WrapperNode [2024-11-09 03:06:51,763 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:06:51,764 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:06:51,764 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:06:51,764 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:06:51,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:51" (1/1) ... [2024-11-09 03:06:51,850 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:51" (1/1) ... [2024-11-09 03:06:51,919 INFO L138 Inliner]: procedures = 679, calls = 2631, calls flagged for inlining = 61, calls inlined = 8, statements flattened = 873 [2024-11-09 03:06:51,920 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:06:51,921 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:06:51,921 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:06:51,921 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:06:51,929 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:51" (1/1) ... [2024-11-09 03:06:51,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:51" (1/1) ... [2024-11-09 03:06:51,942 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:51" (1/1) ... [2024-11-09 03:06:52,005 INFO L175 MemorySlicer]: Split 562 memory accesses to 6 slices as follows [2, 257, 238, 49, 10, 6]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 8, 5, 0]. The 495 writes are split as follows [0, 257, 232, 3, 1, 2]. [2024-11-09 03:06:52,005 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:51" (1/1) ... [2024-11-09 03:06:52,005 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:51" (1/1) ... [2024-11-09 03:06:52,039 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:51" (1/1) ... [2024-11-09 03:06:52,045 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:51" (1/1) ... [2024-11-09 03:06:52,057 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:51" (1/1) ... [2024-11-09 03:06:52,062 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:51" (1/1) ... [2024-11-09 03:06:52,079 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:06:52,080 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:06:52,082 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:06:52,082 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:06:52,083 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:51" (1/1) ... [2024-11-09 03:06:52,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:06:52,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:06:52,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 03:06:52,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 03:06:52,150 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 03:06:52,152 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 03:06:52,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:06:52,152 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:06:52,152 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:06:52,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-09 03:06:52,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-09 03:06:52,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-09 03:06:52,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-09 03:06:52,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-09 03:06:52,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-09 03:06:52,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-09 03:06:52,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-09 03:06:52,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-09 03:06:52,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-09 03:06:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-09 03:06:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-09 03:06:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:06:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:06:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:06:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:06:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:06:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:06:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:06:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:06:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:06:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:06:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:06:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:06:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-09 03:06:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-09 03:06:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-09 03:06:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-09 03:06:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-09 03:06:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-09 03:06:52,156 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-09 03:06:52,156 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-09 03:06:52,156 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-09 03:06:52,156 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-09 03:06:52,156 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-09 03:06:52,156 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-09 03:06:52,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:06:52,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:06:52,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:06:52,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:06:52,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:06:52,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:06:52,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:06:52,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:06:52,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:06:52,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:06:52,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:06:52,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:06:52,158 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:06:52,158 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:06:52,158 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 03:06:52,158 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 03:06:52,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-09 03:06:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-09 03:06:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-09 03:06:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-09 03:06:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-09 03:06:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-09 03:06:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:06:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:06:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:06:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:06:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:06:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:06:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:06:52,160 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:06:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:06:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:06:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:06:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:06:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:06:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:06:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:06:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-09 03:06:52,161 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-09 03:06:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:06:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:06:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:06:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:06:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:06:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:06:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:06:52,162 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:06:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 03:06:52,162 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 03:06:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:06:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:06:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:06:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:06:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:06:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:06:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-09 03:06:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-09 03:06:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-09 03:06:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-09 03:06:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-09 03:06:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-09 03:06:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:06:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:06:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:06:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:06:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:06:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:06:52,419 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:06:52,421 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:06:59,986 INFO L? ?]: Removed 194 outVars from TransFormulas that were not future-live. [2024-11-09 03:06:59,986 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:07:00,002 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:07:00,003 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 03:07:00,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:07:00 BoogieIcfgContainer [2024-11-09 03:07:00,003 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:07:00,005 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:07:00,005 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:07:00,007 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:07:00,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:06:49" (1/3) ... [2024-11-09 03:07:00,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74cc82d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:07:00, skipping insertion in model container [2024-11-09 03:07:00,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:51" (2/3) ... [2024-11-09 03:07:00,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74cc82d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:07:00, skipping insertion in model container [2024-11-09 03:07:00,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:07:00" (3/3) ... [2024-11-09 03:07:00,011 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_harness_negated.i [2024-11-09 03:07:00,025 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:07:00,026 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:07:00,084 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:07:00,090 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;@261e9099, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:07:00,090 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:07:00,094 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 85 states have (on average 1.2705882352941176) internal successors, (108), 86 states have internal predecessors, (108), 32 states have call successors, (32), 10 states have call predecessors, (32), 10 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-09 03:07:00,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 03:07:00,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:07:00,105 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 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] [2024-11-09 03:07:00,105 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:07:00,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:07:00,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1745725323, now seen corresponding path program 1 times [2024-11-09 03:07:00,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:07:00,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282529658] [2024-11-09 03:07:00,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:07:00,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:08:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:08:17,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:08:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:08:17,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:08:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:08:17,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 03:08:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:08:17,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-09 03:08:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:08:17,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:08:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:08:17,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 03:08:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:08:17,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 03:08:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:08:17,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 03:08:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:08:17,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 03:08:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:08:17,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 03:08:17,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:08:17,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 03:08:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:08:17,914 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 03:08:17,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:08:17,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282529658] [2024-11-09 03:08:17,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282529658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:08:17,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:08:17,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 03:08:17,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683596103] [2024-11-09 03:08:17,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:08:17,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 03:08:17,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:08:17,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 03:08:17,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 03:08:17,943 INFO L87 Difference]: Start difference. First operand has 129 states, 85 states have (on average 1.2705882352941176) internal successors, (108), 86 states have internal predecessors, (108), 32 states have call successors, (32), 10 states have call predecessors, (32), 10 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-09 03:08:22,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:08:23,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:08:23,942 INFO L93 Difference]: Finished difference Result 255 states and 363 transitions. [2024-11-09 03:08:23,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 03:08:23,945 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) Word has length 77 [2024-11-09 03:08:23,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:08:23,951 INFO L225 Difference]: With dead ends: 255 [2024-11-09 03:08:23,951 INFO L226 Difference]: Without dead ends: 124 [2024-11-09 03:08:23,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 03:08:23,955 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 69 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 22 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-09 03:08:23,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 134 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 103 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2024-11-09 03:08:23,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-09 03:08:23,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2024-11-09 03:08:23,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 81 states have (on average 1.2592592592592593) internal successors, (102), 82 states have internal predecessors, (102), 32 states have call successors, (32), 10 states have call predecessors, (32), 10 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-09 03:08:23,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 165 transitions. [2024-11-09 03:08:23,989 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 165 transitions. Word has length 77 [2024-11-09 03:08:23,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:08:23,989 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 165 transitions. [2024-11-09 03:08:23,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-09 03:08:23,990 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 165 transitions. [2024-11-09 03:08:23,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 03:08:23,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:08:23,992 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 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] [2024-11-09 03:08:23,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 03:08:23,993 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:08:23,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:08:23,993 INFO L85 PathProgramCache]: Analyzing trace with hash 626337391, now seen corresponding path program 1 times [2024-11-09 03:08:23,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:08:23,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656172534] [2024-11-09 03:08:23,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:08:23,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms