./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d 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_string_new_from_string_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 f794b74895d86811f31f266061230bbe472937829675777db1e7aa35770837b1 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 20:07:04,360 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 20:07:04,416 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 20:07:04,428 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 20:07:04,430 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 20:07:04,457 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 20:07:04,458 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 20:07:04,458 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 20:07:04,459 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 20:07:04,461 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 20:07:04,461 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 20:07:04,462 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 20:07:04,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 20:07:04,463 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 20:07:04,464 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 20:07:04,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 20:07:04,464 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 20:07:04,464 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 20:07:04,464 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 20:07:04,465 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 20:07:04,465 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 20:07:04,465 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 20:07:04,465 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 20:07:04,466 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 20:07:04,466 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 20:07:04,466 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 20:07:04,466 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 20:07:04,467 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 20:07:04,467 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 20:07:04,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:07:04,467 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 20:07:04,468 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 20:07:04,468 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 20:07:04,468 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 20:07:04,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 20:07:04,468 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 20:07:04,469 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 20:07:04,469 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 20:07:04,469 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 20:07:04,469 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f794b74895d86811f31f266061230bbe472937829675777db1e7aa35770837b1 [2024-11-16 20:07:04,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 20:07:04,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 20:07:04,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 20:07:04,678 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 20:07:04,678 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 20:07:04,679 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness_negated.i [2024-11-16 20:07:05,902 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 20:07:06,317 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 20:07:06,318 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness_negated.i [2024-11-16 20:07:06,350 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b1e2bbbb/90ddbee16aa444ada4bc05be2ede3ff2/FLAG58cebcaec [2024-11-16 20:07:06,488 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b1e2bbbb/90ddbee16aa444ada4bc05be2ede3ff2 [2024-11-16 20:07:06,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 20:07:06,493 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 20:07:06,494 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 20:07:06,494 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 20:07:06,503 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 20:07:06,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:07:06" (1/1) ... [2024-11-16 20:07:06,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8820e6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:06, skipping insertion in model container [2024-11-16 20:07:06,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:07:06" (1/1) ... [2024-11-16 20:07:06,577 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 20:07:06,801 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_string_new_from_string_harness_negated.i[4500,4513] [2024-11-16 20:07:06,808 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_string_new_from_string_harness_negated.i[4560,4573] [2024-11-16 20:07:07,411 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:07,412 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:07,412 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:07,413 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:07,414 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:07,431 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:07,432 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:07,434 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:07,436 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:08,057 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:08,060 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:08,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:07:08,174 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 20:07:08,196 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_string_new_from_string_harness_negated.i[4500,4513] [2024-11-16 20:07:08,197 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_string_new_from_string_harness_negated.i[4560,4573] [2024-11-16 20:07:08,216 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:08,216 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:08,216 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:08,219 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:08,219 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:08,226 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:08,226 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:08,227 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:08,227 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:08,316 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-16 20:07:08,318 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:08,318 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:08,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2024-11-16 20:07:08,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:07:08,558 INFO L204 MainTranslator]: Completed translation [2024-11-16 20:07:08,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:08 WrapperNode [2024-11-16 20:07:08,558 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 20:07:08,559 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 20:07:08,559 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 20:07:08,559 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 20:07:08,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:08" (1/1) ... [2024-11-16 20:07:08,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:08" (1/1) ... [2024-11-16 20:07:08,701 INFO L138 Inliner]: procedures = 679, calls = 2733, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 831 [2024-11-16 20:07:08,702 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 20:07:08,703 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 20:07:08,703 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 20:07:08,703 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 20:07:08,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:08" (1/1) ... [2024-11-16 20:07:08,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:08" (1/1) ... [2024-11-16 20:07:08,725 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:08" (1/1) ... [2024-11-16 20:07:08,790 INFO L175 MemorySlicer]: Split 525 memory accesses to 6 slices as follows [257, 2, 2, 238, 21, 5]. 49 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [0, 0, 2, 6, 0, 5]. The 497 writes are split as follows [257, 1, 0, 232, 7, 0]. [2024-11-16 20:07:08,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:08" (1/1) ... [2024-11-16 20:07:08,790 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:08" (1/1) ... [2024-11-16 20:07:08,815 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:08" (1/1) ... [2024-11-16 20:07:08,816 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:08" (1/1) ... [2024-11-16 20:07:08,823 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:08" (1/1) ... [2024-11-16 20:07:08,827 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:08" (1/1) ... [2024-11-16 20:07:08,879 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 20:07:08,883 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 20:07:08,883 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 20:07:08,883 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 20:07:08,884 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:08" (1/1) ... [2024-11-16 20:07:08,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:07:08,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:07:08,915 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) [2024-11-16 20:07:08,920 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 [2024-11-16 20:07:08,951 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-16 20:07:08,952 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-16 20:07:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 20:07:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 20:07:08,952 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 20:07:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-16 20:07:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-16 20:07:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-16 20:07:08,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-16 20:07:08,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-16 20:07:08,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-16 20:07:08,953 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-16 20:07:08,953 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-16 20:07:08,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-16 20:07:08,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-16 20:07:08,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-16 20:07:08,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-16 20:07:08,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-16 20:07:08,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-16 20:07:08,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 20:07:08,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 20:07:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 20:07:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 20:07:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 20:07:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 20:07:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 20:07:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 20:07:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 20:07:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 20:07:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 20:07:08,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 20:07:08,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-16 20:07:08,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-16 20:07:08,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-16 20:07:08,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-16 20:07:08,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-16 20:07:08,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-16 20:07:08,956 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-16 20:07:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-16 20:07:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-16 20:07:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-16 20:07:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-16 20:07:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-16 20:07:08,957 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-16 20:07:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-16 20:07:08,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 20:07:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 20:07:08,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 20:07:08,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 20:07:08,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 20:07:08,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 20:07:08,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 20:07:08,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 20:07:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 20:07:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 20:07:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 20:07:08,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 20:07:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 20:07:08,960 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 20:07:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-16 20:07:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-16 20:07:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-16 20:07:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-16 20:07:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-16 20:07:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-16 20:07:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 20:07:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 20:07:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 20:07:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 20:07:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 20:07:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 20:07:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-16 20:07:08,961 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-16 20:07:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 20:07:08,961 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 20:07:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-16 20:07:08,961 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-16 20:07:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 20:07:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-16 20:07:08,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-16 20:07:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 20:07:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 20:07:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 20:07:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 20:07:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 20:07:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 20:07:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 20:07:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 20:07:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 20:07:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 20:07:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 20:07:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 20:07:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2024-11-16 20:07:08,962 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2024-11-16 20:07:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 20:07:08,962 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 20:07:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-16 20:07:08,963 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-16 20:07:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-16 20:07:08,963 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-16 20:07:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 20:07:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 20:07:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 20:07:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 20:07:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 20:07:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 20:07:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-16 20:07:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-16 20:07:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-16 20:07:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-16 20:07:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-16 20:07:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-16 20:07:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_string [2024-11-16 20:07:08,965 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_string [2024-11-16 20:07:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 20:07:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 20:07:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 20:07:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 20:07:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 20:07:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 20:07:09,236 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 20:07:09,238 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 20:07:09,265 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-16 20:07:09,296 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6244: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2024-11-16 20:07:09,298 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-16 20:07:09,314 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6888: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2024-11-16 20:07:09,727 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 20:07:09,732 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6913: havoc #t~ret569.base, #t~ret569.offset; [2024-11-16 20:07:09,743 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8958: havoc #t~mem1227;havoc #t~ret1228.base, #t~ret1228.offset; [2024-11-16 20:07:09,773 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8953-1: assume true; [2024-11-16 20:07:09,774 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8953-1: assume !true; [2024-11-16 20:07:09,791 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2024-11-16 20:07:16,459 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791: havoc ensure_string_is_allocated_bounded_length_#t~ret543#1.base, ensure_string_is_allocated_bounded_length_#t~ret543#1.offset; [2024-11-16 20:07:16,459 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6783: havoc ensure_string_is_allocated_nondet_length_#t~ret541#1.base, ensure_string_is_allocated_nondet_length_#t~ret541#1.offset; [2024-11-16 20:07:16,530 INFO L? ?]: Removed 178 outVars from TransFormulas that were not future-live. [2024-11-16 20:07:16,530 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 20:07:16,543 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 20:07:16,543 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 20:07:16,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:07:16 BoogieIcfgContainer [2024-11-16 20:07:16,544 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 20:07:16,545 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 20:07:16,546 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 20:07:16,548 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 20:07:16,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:07:06" (1/3) ... [2024-11-16 20:07:16,549 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11b5053d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:07:16, skipping insertion in model container [2024-11-16 20:07:16,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:08" (2/3) ... [2024-11-16 20:07:16,550 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11b5053d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:07:16, skipping insertion in model container [2024-11-16 20:07:16,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:07:16" (3/3) ... [2024-11-16 20:07:16,551 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_string_harness_negated.i [2024-11-16 20:07:16,563 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 20:07:16,563 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 20:07:16,619 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 20:07:16,625 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;@6e676c61, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 20:07:16,628 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 20:07:16,632 INFO L276 IsEmpty]: Start isEmpty. Operand has 156 states, 99 states have (on average 1.1818181818181819) internal successors, (117), 100 states have internal predecessors, (117), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-16 20:07:16,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-16 20:07:16,640 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:07:16,641 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:07:16,642 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:07:16,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:07:16,646 INFO L85 PathProgramCache]: Analyzing trace with hash -2108804264, now seen corresponding path program 1 times [2024-11-16 20:07:16,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:07:16,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699761682] [2024-11-16 20:07:16,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:07:16,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:08:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:32,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:08:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:32,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 20:08:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:32,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 20:08:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:32,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:08:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:32,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 20:08:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:33,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 20:08:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:33,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:08:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:33,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 20:08:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:33,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:08:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:33,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 20:08:33,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:33,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:08:33,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:33,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:08:33,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:33,230 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-16 20:08:33,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:08:33,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699761682] [2024-11-16 20:08:33,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699761682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:08:33,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:08:33,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 20:08:33,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117171321] [2024-11-16 20:08:33,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:08:33,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 20:08:33,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:08:33,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 20:08:33,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:08:33,260 INFO L87 Difference]: Start difference. First operand has 156 states, 99 states have (on average 1.1818181818181819) internal successors, (117), 100 states have internal predecessors, (117), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-16 20:08:37,393 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 [] [2024-11-16 20:08:41,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.51s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:08:46,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.47s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:08:50,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:08:50,548 INFO L93 Difference]: Finished difference Result 326 states and 428 transitions. [2024-11-16 20:08:50,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 20:08:50,551 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 80 [2024-11-16 20:08:50,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:08:50,561 INFO L225 Difference]: With dead ends: 326 [2024-11-16 20:08:50,561 INFO L226 Difference]: Without dead ends: 170 [2024-11-16 20:08:50,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-16 20:08:50,569 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 91 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 44 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2024-11-16 20:08:50,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 221 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 231 Invalid, 3 Unknown, 0 Unchecked, 17.0s Time] [2024-11-16 20:08:50,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-16 20:08:50,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 149. [2024-11-16 20:08:50,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 93 states have (on average 1.1612903225806452) internal successors, (108), 94 states have internal predecessors, (108), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-16 20:08:50,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 185 transitions. [2024-11-16 20:08:50,611 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 185 transitions. Word has length 80 [2024-11-16 20:08:50,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:08:50,611 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 185 transitions. [2024-11-16 20:08:50,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-16 20:08:50,612 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 185 transitions. [2024-11-16 20:08:50,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-16 20:08:50,614 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:08:50,614 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:08:50,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 20:08:50,615 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:08:50,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:08:50,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1906879577, now seen corresponding path program 1 times [2024-11-16 20:08:50,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:08:50,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298552802] [2024-11-16 20:08:50,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:08:50,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms