./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc 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_array_eq_c_str_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 b62eef3129e91aaac3acc29e5a183350b87388a8c6b16bdbf751f7e8be177f34 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 01:58:10,258 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 01:58:10,332 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 01:58:10,339 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 01:58:10,340 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 01:58:10,369 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 01:58:10,369 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 01:58:10,370 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 01:58:10,370 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 01:58:10,374 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 01:58:10,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 01:58:10,374 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 01:58:10,375 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 01:58:10,375 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 01:58:10,375 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 01:58:10,376 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 01:58:10,376 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 01:58:10,376 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 01:58:10,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 01:58:10,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 01:58:10,377 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 01:58:10,378 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 01:58:10,379 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 01:58:10,379 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 01:58:10,379 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 01:58:10,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 01:58:10,380 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 01:58:10,380 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 01:58:10,380 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 01:58:10,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 01:58:10,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 01:58:10,381 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 01:58:10,381 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 01:58:10,381 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 01:58:10,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 01:58:10,382 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 01:58:10,382 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 01:58:10,382 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 01:58:10,382 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 01:58:10,382 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b62eef3129e91aaac3acc29e5a183350b87388a8c6b16bdbf751f7e8be177f34 [2024-11-19 01:58:10,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 01:58:10,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 01:58:10,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 01:58:10,646 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 01:58:10,647 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 01:58:10,647 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness_negated.i [2024-11-19 01:58:12,153 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 01:58:12,674 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 01:58:12,675 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness_negated.i [2024-11-19 01:58:12,745 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f67b4c13/15fffe3174544fd7bf957980e7a76cee/FLAG098583228 [2024-11-19 01:58:12,763 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f67b4c13/15fffe3174544fd7bf957980e7a76cee [2024-11-19 01:58:12,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 01:58:12,768 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 01:58:12,770 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 01:58:12,770 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 01:58:12,775 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 01:58:12,776 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:58:12" (1/1) ... [2024-11-19 01:58:12,777 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73b8e16b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:58:12, skipping insertion in model container [2024-11-19 01:58:12,777 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:58:12" (1/1) ... [2024-11-19 01:58:12,878 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 01:58:13,141 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_array_eq_c_str_harness_negated.i[4492,4505] [2024-11-19 01:58:13,150 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_array_eq_c_str_harness_negated.i[4552,4565] [2024-11-19 01:58:13,843 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 01:58:13,846 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 01:58:13,846 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 01:58:13,847 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 01:58:13,848 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 01:58:13,859 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 01:58:13,859 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 01:58:13,861 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 01:58:13,861 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 01:58:14,416 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 01:58:14,417 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 01:58:14,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 01:58:14,557 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 01:58:14,577 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_array_eq_c_str_harness_negated.i[4492,4505] [2024-11-19 01:58:14,639 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_array_eq_c_str_harness_negated.i[4552,4565] [2024-11-19 01:58:14,671 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 01:58:14,671 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 01:58:14,672 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 01:58:14,672 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 01:58:14,672 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 01:58:14,677 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 01:58:14,677 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 01:58:14,678 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 01:58:14,679 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 01:58:14,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2024-11-19 01:58:14,780 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 01:58:14,780 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 01:58:14,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2024-11-19 01:58:14,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 01:58:15,060 INFO L204 MainTranslator]: Completed translation [2024-11-19 01:58:15,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:58:15 WrapperNode [2024-11-19 01:58:15,061 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 01:58:15,062 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 01:58:15,062 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 01:58:15,062 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 01:58:15,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:58:15" (1/1) ... [2024-11-19 01:58:15,145 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:58:15" (1/1) ... [2024-11-19 01:58:15,212 INFO L138 Inliner]: procedures = 680, calls = 2609, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 802 [2024-11-19 01:58:15,213 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 01:58:15,213 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 01:58:15,213 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 01:58:15,214 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 01:58:15,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:58:15" (1/1) ... [2024-11-19 01:58:15,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:58:15" (1/1) ... [2024-11-19 01:58:15,242 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:58:15" (1/1) ... [2024-11-19 01:58:15,344 INFO L175 MemorySlicer]: Split 516 memory accesses to 6 slices as follows [2, 8, 257, 238, 6, 5]. 50 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 0, 0, 6, 0, 5]. The 491 writes are split as follows [0, 0, 257, 232, 2, 0]. [2024-11-19 01:58:15,351 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:58:15" (1/1) ... [2024-11-19 01:58:15,352 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:58:15" (1/1) ... [2024-11-19 01:58:15,395 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:58:15" (1/1) ... [2024-11-19 01:58:15,402 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:58:15" (1/1) ... [2024-11-19 01:58:15,411 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:58:15" (1/1) ... [2024-11-19 01:58:15,421 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:58:15" (1/1) ... [2024-11-19 01:58:15,436 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 01:58:15,441 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 01:58:15,445 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 01:58:15,445 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 01:58:15,446 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:58:15" (1/1) ... [2024-11-19 01:58:15,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 01:58:15,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 01:58:15,479 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) [2024-11-19 01:58:15,485 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 [2024-11-19 01:58:15,533 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_c_str [2024-11-19 01:58:15,535 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_c_str [2024-11-19 01:58:15,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 01:58:15,536 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 01:58:15,536 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 01:58:15,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 01:58:15,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 01:58:15,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 01:58:15,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 01:58:15,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 01:58:15,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 01:58:15,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 01:58:15,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 01:58:15,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 01:58:15,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 01:58:15,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 01:58:15,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 01:58:15,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 01:58:15,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 01:58:15,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 01:58:15,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 01:58:15,539 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-19 01:58:15,539 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-19 01:58:15,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 01:58:15,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 01:58:15,540 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 01:58:15,540 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 01:58:15,540 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-19 01:58:15,540 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-19 01:58:15,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 01:58:15,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 01:58:15,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 01:58:15,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 01:58:15,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 01:58:15,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 01:58:15,542 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-19 01:58:15,542 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-19 01:58:15,542 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 01:58:15,542 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 01:58:15,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 01:58:15,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 01:58:15,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 01:58:15,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 01:58:15,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 01:58:15,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 01:58:15,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 01:58:15,544 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 01:58:15,544 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 01:58:15,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 01:58:15,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 01:58:15,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 01:58:15,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 01:58:15,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 01:58:15,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 01:58:15,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 01:58:15,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 01:58:15,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 01:58:15,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 01:58:15,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 01:58:15,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 01:58:15,836 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 01:58:15,839 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 01:58:24,020 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2024-11-19 01:58:24,020 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 01:58:24,036 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 01:58:24,036 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 01:58:24,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:58:24 BoogieIcfgContainer [2024-11-19 01:58:24,037 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 01:58:24,039 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 01:58:24,040 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 01:58:24,043 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 01:58:24,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:58:12" (1/3) ... [2024-11-19 01:58:24,044 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@307a0108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:58:24, skipping insertion in model container [2024-11-19 01:58:24,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:58:15" (2/3) ... [2024-11-19 01:58:24,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@307a0108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:58:24, skipping insertion in model container [2024-11-19 01:58:24,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:58:24" (3/3) ... [2024-11-19 01:58:24,048 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_eq_c_str_harness_negated.i [2024-11-19 01:58:24,065 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 01:58:24,065 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 01:58:24,140 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 01:58:24,148 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;@257aed6b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 01:58:24,148 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 01:58:24,153 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 59 states have (on average 1.271186440677966) internal successors, (75), 62 states have internal predecessors, (75), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-19 01:58:24,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-19 01:58:24,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:58:24,165 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-19 01:58:24,165 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:58:24,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:58:24,172 INFO L85 PathProgramCache]: Analyzing trace with hash 511260694, now seen corresponding path program 1 times [2024-11-19 01:58:24,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:58:24,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136621498] [2024-11-19 01:58:24,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:58:24,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:59:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:59:39,438 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-19 01:59:39,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:59:39,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136621498] [2024-11-19 01:59:39,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136621498] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 01:59:39,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825362592] [2024-11-19 01:59:39,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:59:39,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 01:59:39,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 01:59:39,443 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 01:59:39,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process