./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_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 f5dd39c48ce76f8326a75ac77da422c73e3ef3e01f39ceb8a7824c99e1b5196d --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 09:58:38,437 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 09:58:38,504 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 09:58:38,509 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 09:58:38,511 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 09:58:38,548 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 09:58:38,550 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 09:58:38,550 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 09:58:38,551 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 09:58:38,562 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 09:58:38,563 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 09:58:38,563 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 09:58:38,564 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 09:58:38,564 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 09:58:38,565 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 09:58:38,565 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 09:58:38,565 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 09:58:38,566 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 09:58:38,566 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 09:58:38,566 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 09:58:38,567 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 09:58:38,569 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 09:58:38,569 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 09:58:38,570 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 09:58:38,570 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 09:58:38,570 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 09:58:38,571 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 09:58:38,571 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 09:58:38,571 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 09:58:38,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 09:58:38,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 09:58:38,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 09:58:38,573 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 09:58:38,573 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 09:58:38,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 09:58:38,573 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 09:58:38,574 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 09:58:38,574 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 09:58:38,574 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 09:58:38,574 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5dd39c48ce76f8326a75ac77da422c73e3ef3e01f39ceb8a7824c99e1b5196d [2024-11-20 09:58:38,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 09:58:38,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 09:58:38,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 09:58:38,830 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 09:58:38,831 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 09:58:38,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i [2024-11-20 09:58:40,309 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 09:58:40,785 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 09:58:40,786 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i [2024-11-20 09:58:40,848 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9c117d48/cb5758b3277e4f0485bd4d15d28b3bd3/FLAGdb5b733d3 [2024-11-20 09:58:40,867 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9c117d48/cb5758b3277e4f0485bd4d15d28b3bd3 [2024-11-20 09:58:40,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 09:58:40,872 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 09:58:40,874 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 09:58:40,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 09:58:40,881 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 09:58:40,882 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:58:40" (1/1) ... [2024-11-20 09:58:40,883 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a288ac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:58:40, skipping insertion in model container [2024-11-20 09:58:40,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:58:40" (1/1) ... [2024-11-20 09:58:40,972 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 09:58:41,313 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_init_copy_harness_negated.i[4496,4509] [2024-11-20 09:58:41,323 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_init_copy_harness_negated.i[4556,4569] [2024-11-20 09:58:42,205 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:58:42,206 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:58:42,207 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:58:42,207 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:58:42,208 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:58:42,226 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:58:42,229 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:58:42,231 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:58:42,231 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:58:42,926 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:58:42,926 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:58:42,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 09:58:43,060 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 09:58:43,076 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_init_copy_harness_negated.i[4496,4509] [2024-11-20 09:58:43,077 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_init_copy_harness_negated.i[4556,4569] [2024-11-20 09:58:43,111 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:58:43,112 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:58:43,112 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:58:43,112 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:58:43,113 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:58:43,125 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:58:43,126 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:58:43,127 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:58:43,128 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:58:43,324 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-11-20 09:58:43,330 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:58:43,330 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:58:43,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-11-20 09:58:43,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 09:58:43,685 INFO L204 MainTranslator]: Completed translation [2024-11-20 09:58:43,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:58:43 WrapperNode [2024-11-20 09:58:43,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 09:58:43,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 09:58:43,688 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 09:58:43,688 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 09:58:43,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:58:43" (1/1) ... [2024-11-20 09:58:43,813 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:58:43" (1/1) ... [2024-11-20 09:58:43,919 INFO L138 Inliner]: procedures = 680, calls = 2622, calls flagged for inlining = 63, calls inlined = 11, statements flattened = 948 [2024-11-20 09:58:43,920 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 09:58:43,921 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 09:58:43,921 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 09:58:43,921 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 09:58:43,933 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:58:43" (1/1) ... [2024-11-20 09:58:43,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:58:43" (1/1) ... [2024-11-20 09:58:43,948 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:58:43" (1/1) ... [2024-11-20 09:58:44,051 INFO L175 MemorySlicer]: Split 566 memory accesses to 5 slices as follows [257, 2, 238, 63, 6]. 45 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [0, 2, 6, 9, 0]. The 503 writes are split as follows [257, 0, 232, 12, 2]. [2024-11-20 09:58:44,052 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:58:43" (1/1) ... [2024-11-20 09:58:44,052 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:58:43" (1/1) ... [2024-11-20 09:58:44,098 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:58:43" (1/1) ... [2024-11-20 09:58:44,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:58:43" (1/1) ... [2024-11-20 09:58:44,126 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:58:43" (1/1) ... [2024-11-20 09:58:44,137 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:58:43" (1/1) ... [2024-11-20 09:58:44,154 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 09:58:44,155 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 09:58:44,155 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 09:58:44,156 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 09:58:44,156 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:58:43" (1/1) ... [2024-11-20 09:58:44,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 09:58:44,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 09:58:44,210 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) [2024-11-20 09:58:44,216 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 [2024-11-20 09:58:44,260 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-20 09:58:44,261 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-20 09:58:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 09:58:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 09:58:44,263 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 09:58:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-20 09:58:44,263 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-20 09:58:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 09:58:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 09:58:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 09:58:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 09:58:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 09:58:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 09:58:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 09:58:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 09:58:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 09:58:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 09:58:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-20 09:58:44,265 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-20 09:58:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 09:58:44,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 09:58:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 09:58:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 09:58:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 09:58:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 09:58:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 09:58:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 09:58:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 09:58:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-20 09:58:44,266 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-20 09:58:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 09:58:44,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 09:58:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 09:58:44,266 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 09:58:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-20 09:58:44,266 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-20 09:58:44,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 09:58:44,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 09:58:44,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 09:58:44,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 09:58:44,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 09:58:44,267 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-20 09:58:44,267 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-20 09:58:44,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-20 09:58:44,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-20 09:58:44,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-20 09:58:44,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-20 09:58:44,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-20 09:58:44,268 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-20 09:58:44,268 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-20 09:58:44,269 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-20 09:58:44,269 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-20 09:58:44,269 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-20 09:58:44,269 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 09:58:44,269 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 09:58:44,269 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-20 09:58:44,269 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-20 09:58:44,269 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-20 09:58:44,270 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-20 09:58:44,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 09:58:44,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 09:58:44,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 09:58:44,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 09:58:44,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 09:58:44,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 09:58:44,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 09:58:44,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 09:58:44,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 09:58:44,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 09:58:44,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 09:58:44,271 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-20 09:58:44,271 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-20 09:58:44,271 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-20 09:58:44,271 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-20 09:58:44,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 09:58:44,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 09:58:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 09:58:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 09:58:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 09:58:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 09:58:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 09:58:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 09:58:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 09:58:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 09:58:44,551 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 09:58:44,555 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 09:58:53,064 INFO L? ?]: Removed 155 outVars from TransFormulas that were not future-live. [2024-11-20 09:58:53,065 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 09:58:53,084 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 09:58:53,086 INFO L316 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-20 09:58:53,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:58:53 BoogieIcfgContainer [2024-11-20 09:58:53,087 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 09:58:53,089 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 09:58:53,089 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 09:58:53,093 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 09:58:53,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:58:40" (1/3) ... [2024-11-20 09:58:53,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cad7562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:58:53, skipping insertion in model container [2024-11-20 09:58:53,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:58:43" (2/3) ... [2024-11-20 09:58:53,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cad7562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:58:53, skipping insertion in model container [2024-11-20 09:58:53,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:58:53" (3/3) ... [2024-11-20 09:58:53,097 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_init_copy_harness_negated.i [2024-11-20 09:58:53,115 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 09:58:53,116 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 09:58:53,193 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 09:58:53,201 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;@13040c36, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 09:58:53,201 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 09:58:53,206 INFO L276 IsEmpty]: Start isEmpty. Operand has 185 states, 122 states have (on average 1.221311475409836) internal successors, (149), 121 states have internal predecessors, (149), 49 states have call successors, (49), 15 states have call predecessors, (49), 15 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-20 09:58:53,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-20 09:58:53,217 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:58:53,218 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 09:58:53,218 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:58:53,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:58:53,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1965116141, now seen corresponding path program 1 times [2024-11-20 09:58:53,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:58:53,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715959633] [2024-11-20 09:58:53,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:58:53,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:00:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:00:06,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:00:06,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:00:06,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:00:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:00:07,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 10:00:07,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:00:07,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:00:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:00:07,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 10:00:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:00:07,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 10:00:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:00:07,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 10:00:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:00:07,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:00:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:00:07,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 10:00:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:00:07,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 10:00:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:00:07,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 10:00:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:00:07,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 10:00:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:00:07,299 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-20 10:00:07,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:00:07,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715959633] [2024-11-20 10:00:07,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715959633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:00:07,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:00:07,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 10:00:07,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957599956] [2024-11-20 10:00:07,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:00:07,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 10:00:07,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:00:07,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 10:00:07,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 10:00:07,341 INFO L87 Difference]: Start difference. First operand has 185 states, 122 states have (on average 1.221311475409836) internal successors, (149), 121 states have internal predecessors, (149), 49 states have call successors, (49), 15 states have call predecessors, (49), 15 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-20 10:00:11,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:00:13,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:00:13,720 INFO L93 Difference]: Finished difference Result 376 states and 532 transitions. [2024-11-20 10:00:13,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 10:00:13,723 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 82 [2024-11-20 10:00:13,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:00:13,731 INFO L225 Difference]: With dead ends: 376 [2024-11-20 10:00:13,731 INFO L226 Difference]: Without dead ends: 189 [2024-11-20 10:00:13,734 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 10:00:13,738 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 82 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 45 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-20 10:00:13,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 225 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 122 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2024-11-20 10:00:13,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-11-20 10:00:13,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 179. [2024-11-20 10:00:13,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 114 states have (on average 1.1666666666666667) internal successors, (133), 115 states have internal predecessors, (133), 49 states have call successors, (49), 15 states have call predecessors, (49), 15 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-20 10:00:13,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 230 transitions. [2024-11-20 10:00:13,794 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 230 transitions. Word has length 82 [2024-11-20 10:00:13,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:00:13,794 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 230 transitions. [2024-11-20 10:00:13,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-20 10:00:13,795 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 230 transitions. [2024-11-20 10:00:13,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-20 10:00:13,798 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:00:13,799 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 10:00:13,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 10:00:13,799 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:00:13,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:00:13,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1792620296, now seen corresponding path program 1 times [2024-11-20 10:00:13,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:00:13,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836731272] [2024-11-20 10:00:13,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:00:13,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms