./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f 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_cursor_eq_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 87391e14b88adba21a2cadbd4091fa2317508e1d0df9844d1e7f72f208000e39 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 10:55:36,195 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 10:55:36,244 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 10:55:36,247 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 10:55:36,249 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 10:55:36,274 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 10:55:36,276 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 10:55:36,276 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 10:55:36,277 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 10:55:36,278 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 10:55:36,278 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 10:55:36,279 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 10:55:36,279 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 10:55:36,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 10:55:36,281 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 10:55:36,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 10:55:36,281 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 10:55:36,281 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 10:55:36,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 10:55:36,282 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 10:55:36,282 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 10:55:36,286 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 10:55:36,286 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 10:55:36,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 10:55:36,286 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 10:55:36,287 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 10:55:36,287 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 10:55:36,287 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 10:55:36,287 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 10:55:36,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:55:36,288 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 10:55:36,288 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 10:55:36,288 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 10:55:36,289 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 10:55:36,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 10:55:36,289 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 10:55:36,289 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 10:55:36,290 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 10:55:36,290 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 10:55:36,290 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87391e14b88adba21a2cadbd4091fa2317508e1d0df9844d1e7f72f208000e39 [2024-11-10 10:55:36,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 10:55:36,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 10:55:36,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 10:55:36,546 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 10:55:36,547 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 10:55:36,547 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i [2024-11-10 10:55:37,773 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 10:55:38,155 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 10:55:38,156 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i [2024-11-10 10:55:38,190 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7b65cf1f/efd0c67747f949d0992b1aa834707b27/FLAG74da7b33e [2024-11-10 10:55:38,327 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7b65cf1f/efd0c67747f949d0992b1aa834707b27 [2024-11-10 10:55:38,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 10:55:38,332 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 10:55:38,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 10:55:38,336 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 10:55:38,340 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 10:55:38,341 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:55:38" (1/1) ... [2024-11-10 10:55:38,341 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d8c4412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:38, skipping insertion in model container [2024-11-10 10:55:38,341 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:55:38" (1/1) ... [2024-11-10 10:55:38,450 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 10:55:38,672 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_cursor_eq_harness_negated.i[4492,4505] [2024-11-10 10:55:38,679 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_cursor_eq_harness_negated.i[4552,4565] [2024-11-10 10:55:39,187 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:55:39,188 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:55:39,188 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:55:39,191 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:55:39,192 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:55:39,200 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:55:39,201 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:55:39,202 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:55:39,202 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:55:39,664 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:55:39,666 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:55:39,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:55:39,788 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 10:55:39,804 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_cursor_eq_harness_negated.i[4492,4505] [2024-11-10 10:55:39,806 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_cursor_eq_harness_negated.i[4552,4565] [2024-11-10 10:55:39,833 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:55:39,834 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:55:39,834 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:55:39,834 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:55:39,835 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:55:39,840 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:55:39,840 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:55:39,841 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:55:39,841 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:55:39,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2024-11-10 10:55:39,937 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:55:39,938 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:55:39,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2024-11-10 10:55:39,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:55:40,142 INFO L204 MainTranslator]: Completed translation [2024-11-10 10:55:40,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:40 WrapperNode [2024-11-10 10:55:40,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 10:55:40,144 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 10:55:40,144 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 10:55:40,144 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 10:55:40,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:40" (1/1) ... [2024-11-10 10:55:40,228 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:40" (1/1) ... [2024-11-10 10:55:40,341 INFO L138 Inliner]: procedures = 680, calls = 2648, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 880 [2024-11-10 10:55:40,342 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 10:55:40,342 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 10:55:40,342 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 10:55:40,342 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 10:55:40,351 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:40" (1/1) ... [2024-11-10 10:55:40,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:40" (1/1) ... [2024-11-10 10:55:40,363 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:40" (1/1) ... [2024-11-10 10:55:40,423 INFO L175 MemorySlicer]: Split 550 memory accesses to 7 slices as follows [2, 257, 238, 38, 6, 4, 5]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 4, 0, 0, 5]. The 494 writes are split as follows [0, 257, 232, 3, 2, 0, 0]. [2024-11-10 10:55:40,427 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:40" (1/1) ... [2024-11-10 10:55:40,427 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:40" (1/1) ... [2024-11-10 10:55:40,455 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:40" (1/1) ... [2024-11-10 10:55:40,456 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:40" (1/1) ... [2024-11-10 10:55:40,462 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:40" (1/1) ... [2024-11-10 10:55:40,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:40" (1/1) ... [2024-11-10 10:55:40,477 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 10:55:40,478 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 10:55:40,481 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 10:55:40,481 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 10:55:40,482 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:40" (1/1) ... [2024-11-10 10:55:40,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:55:40,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:55:40,520 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) [2024-11-10 10:55:40,524 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 [2024-11-10 10:55:40,558 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-10 10:55:40,558 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-10 10:55:40,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 10:55:40,558 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 10:55:40,559 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 10:55:40,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 10:55:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 10:55:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 10:55:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 10:55:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 10:55:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-10 10:55:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-10 10:55:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 10:55:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 10:55:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 10:55:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 10:55:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 10:55:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 10:55:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-10 10:55:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2024-11-10 10:55:40,560 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2024-11-10 10:55:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 10:55:40,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 10:55:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 10:55:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 10:55:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-10 10:55:40,561 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-10 10:55:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 10:55:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 10:55:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 10:55:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 10:55:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 10:55:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 10:55:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-10 10:55:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 10:55:40,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 10:55:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 10:55:40,561 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 10:55:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-10 10:55:40,561 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-10 10:55:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 10:55:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 10:55:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 10:55:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 10:55:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 10:55:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 10:55:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-10 10:55:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 10:55:40,562 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 10:55:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 10:55:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 10:55:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 10:55:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 10:55:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 10:55:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 10:55:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 10:55:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-10 10:55:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-10 10:55:40,563 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-10 10:55:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 10:55:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 10:55:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 10:55:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 10:55:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 10:55:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 10:55:40,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-10 10:55:40,565 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-10 10:55:40,565 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-10 10:55:40,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 10:55:40,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 10:55:40,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 10:55:40,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 10:55:40,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 10:55:40,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 10:55:40,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-10 10:55:40,566 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-10 10:55:40,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-10 10:55:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 10:55:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 10:55:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 10:55:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 10:55:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 10:55:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 10:55:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-10 10:55:40,794 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 10:55:40,796 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 10:55:40,827 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-10 10:55:40,861 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2024-11-10 10:55:40,886 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-10 10:55:40,904 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7695: havoc #t~nondet818; [2024-11-10 10:55:40,910 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6657: havoc #t~mem509; [2024-11-10 10:55:40,922 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 10:55:40,952 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7363: havoc #t~mem694;havoc #t~mem695;havoc #t~mem696.base, #t~mem696.offset;havoc #t~short697;havoc #t~mem698;havoc #t~mem699.base, #t~mem699.offset;havoc #t~short700;havoc #t~short701;havoc #t~short702;havoc #t~short703; [2024-11-10 10:55:48,047 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-11-10 10:55:48,047 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 10:55:48,062 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 10:55:48,062 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 10:55:48,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:55:48 BoogieIcfgContainer [2024-11-10 10:55:48,062 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 10:55:48,064 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 10:55:48,064 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 10:55:48,068 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 10:55:48,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:55:38" (1/3) ... [2024-11-10 10:55:48,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aba9e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:55:48, skipping insertion in model container [2024-11-10 10:55:48,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:40" (2/3) ... [2024-11-10 10:55:48,070 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aba9e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:55:48, skipping insertion in model container [2024-11-10 10:55:48,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:55:48" (3/3) ... [2024-11-10 10:55:48,071 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_eq_harness_negated.i [2024-11-10 10:55:48,085 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 10:55:48,085 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 10:55:48,141 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:55:48,149 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;@85ac0b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:55:48,149 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 10:55:48,153 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 82 states have (on average 1.2317073170731707) internal successors, (101), 83 states have internal predecessors, (101), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 10:55:48,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-10 10:55:48,166 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:55:48,167 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:55:48,168 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:55:48,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:55:48,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1182762663, now seen corresponding path program 1 times [2024-11-10 10:55:48,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:55:48,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769341246] [2024-11-10 10:55:48,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:55:48,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:57:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:57:07,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:57:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:57:07,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:57:07,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:57:07,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:57:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:57:07,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:57:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:57:07,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 10:57:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:57:07,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 10:57:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:57:07,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 10:57:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:57:07,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 10:57:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:57:07,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 10:57:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:57:08,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-10 10:57:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:57:08,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-10 10:57:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:57:08,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 10:57:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:57:08,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-10 10:57:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:57:08,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-10 10:57:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:57:08,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:57:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:57:08,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:57:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:57:08,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-10 10:57:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:57:08,080 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-10 10:57:08,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:57:08,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769341246] [2024-11-10 10:57:08,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769341246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:57:08,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:57:08,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 10:57:08,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557211033] [2024-11-10 10:57:08,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:57:08,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 10:57:08,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:57:08,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 10:57:08,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 10:57:08,108 INFO L87 Difference]: Start difference. First operand has 135 states, 82 states have (on average 1.2317073170731707) internal successors, (101), 83 states have internal predecessors, (101), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-10 10:57:12,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 10:57:15,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:57:15,260 INFO L93 Difference]: Finished difference Result 268 states and 386 transitions. [2024-11-10 10:57:15,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 10:57:15,262 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 102 [2024-11-10 10:57:15,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:57:15,269 INFO L225 Difference]: With dead ends: 268 [2024-11-10 10:57:15,270 INFO L226 Difference]: Without dead ends: 131 [2024-11-10 10:57:15,273 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 10:57:15,276 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 110 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 90 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2024-11-10 10:57:15,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 175 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 163 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2024-11-10 10:57:15,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-10 10:57:15,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 128. [2024-11-10 10:57:15,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 76 states have (on average 1.2105263157894737) internal successors, (92), 77 states have internal predecessors, (92), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-10 10:57:15,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 171 transitions. [2024-11-10 10:57:15,313 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 171 transitions. Word has length 102 [2024-11-10 10:57:15,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:57:15,314 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 171 transitions. [2024-11-10 10:57:15,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-10 10:57:15,314 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 171 transitions. [2024-11-10 10:57:15,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-10 10:57:15,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:57:15,318 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:57:15,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 10:57:15,319 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:57:15,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:57:15,320 INFO L85 PathProgramCache]: Analyzing trace with hash -355673291, now seen corresponding path program 1 times [2024-11-10 10:57:15,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:57:15,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188338910] [2024-11-10 10:57:15,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:57:15,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms