./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.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.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 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 20:07:04,097 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 20:07:04,148 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 20:07:04,154 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 20:07:04,154 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 20:07:04,176 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 20:07:04,178 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 20:07:04,178 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 20:07:04,178 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 20:07:04,180 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 20:07:04,180 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 20:07:04,180 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 20:07:04,181 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 20:07:04,182 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 20:07:04,182 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 20:07:04,182 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 20:07:04,182 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 20:07:04,183 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 20:07:04,183 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 20:07:04,183 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 20:07:04,183 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 20:07:04,186 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 20:07:04,186 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 20:07:04,186 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 20:07:04,186 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 20:07:04,187 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 20:07:04,187 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 20:07:04,187 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 20:07:04,187 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 20:07:04,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:07:04,188 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 20:07:04,188 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 20:07:04,188 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 20:07:04,188 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 20:07:04,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 20:07:04,188 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 20:07:04,188 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 20:07:04,188 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 20:07:04,188 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 20:07:04,189 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 [2024-11-16 20:07:04,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 20:07:04,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 20:07:04,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 20:07:04,387 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 20:07:04,387 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 20:07:04,388 INFO L431 ainManager$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.i [2024-11-16 20:07:05,637 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 20:07:05,979 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 20:07:05,980 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2024-11-16 20:07:06,010 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15341e310/f174ab42f912488496e02b7df1b5a7fc/FLAGe8d00b8bc [2024-11-16 20:07:06,190 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15341e310/f174ab42f912488496e02b7df1b5a7fc [2024-11-16 20:07:06,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 20:07:06,193 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 20:07:06,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 20:07:06,194 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 20:07:06,198 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 20:07:06,198 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:07:06" (1/1) ... [2024-11-16 20:07:06,199 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a15d7a9 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 20:07:06,199 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:07:06" (1/1) ... [2024-11-16 20:07:06,303 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 20:07:06,505 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.i[4500,4513] [2024-11-16 20:07:06,512 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.i[4560,4573] [2024-11-16 20:07:07,061 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:07,061 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:07,062 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:07,062 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:07,066 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:07,079 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:07,080 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:07,081 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:07,083 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:07,577 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:07,578 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:07,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:07:07,687 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 20:07:07,702 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.i[4500,4513] [2024-11-16 20:07:07,702 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.i[4560,4573] [2024-11-16 20:07:07,726 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:07,727 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:07,727 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:07,727 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:07,728 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:07,732 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:07,733 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:07,734 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:07,735 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:07,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-16 20:07:07,868 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:07,868 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:07:07,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-16 20:07:07,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:07:08,058 INFO L204 MainTranslator]: Completed translation [2024-11-16 20:07:08,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:08 WrapperNode [2024-11-16 20:07:08,059 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 20:07:08,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 20:07:08,060 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 20:07:08,060 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 20:07:08,064 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 20:07:08,128 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 20:07:08,195 INFO L138 Inliner]: procedures = 679, calls = 2733, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 831 [2024-11-16 20:07:08,195 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 20:07:08,196 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 20:07:08,196 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 20:07:08,196 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 20:07:08,205 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 20:07:08,205 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 20:07:08,218 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 20:07:08,282 INFO L175 MemorySlicer]: Split 525 memory accesses to 6 slices as follows [257, 2, 238, 21, 5, 2]. 49 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [0, 2, 6, 0, 5, 0]. The 497 writes are split as follows [257, 0, 232, 7, 0, 1]. [2024-11-16 20:07:08,282 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 20:07:08,283 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 20:07:08,312 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 20:07:08,313 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 20:07:08,322 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 20:07:08,330 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 20:07:08,341 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 20:07:08,343 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 20:07:08,343 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 20:07:08,344 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 20:07:08,345 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 20:07:08,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:07:08,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:07:08,373 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 20:07:08,375 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 20:07:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-16 20:07:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-16 20:07:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 20:07:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 20:07:08,411 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 20:07:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-16 20:07:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-16 20:07:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-16 20:07:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-16 20:07:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-16 20:07:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-16 20:07:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-16 20:07:08,412 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-16 20:07:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-16 20:07:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-16 20:07:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-16 20:07:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-16 20:07:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-16 20:07:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-16 20:07:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 20:07:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 20:07:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 20:07:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 20:07:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 20:07:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 20:07:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 20:07:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 20:07:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 20:07:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 20:07:08,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 20:07:08,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 20:07:08,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-16 20:07:08,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-16 20:07:08,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-16 20:07:08,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-16 20:07:08,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-16 20:07:08,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-16 20:07:08,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-16 20:07:08,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-16 20:07:08,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-16 20:07:08,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-16 20:07:08,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-16 20:07:08,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-16 20:07:08,454 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-16 20:07:08,454 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-16 20:07:08,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 20:07:08,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 20:07:08,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 20:07:08,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 20:07:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 20:07:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 20:07:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 20:07:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 20:07:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 20:07:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 20:07:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 20:07:08,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 20:07:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 20:07:08,455 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 20:07:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-16 20:07:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-16 20:07:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-16 20:07:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-16 20:07:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-16 20:07:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-16 20:07:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 20:07:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 20:07:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 20:07:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 20:07:08,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 20:07:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 20:07:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-16 20:07:08,458 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-16 20:07:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 20:07:08,459 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 20:07:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-16 20:07:08,459 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-16 20:07:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 20:07:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-16 20:07:08,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-16 20:07:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 20:07:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 20:07:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 20:07:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 20:07:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 20:07:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 20:07:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 20:07:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 20:07:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 20:07:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 20:07:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 20:07:08,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 20:07:08,461 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2024-11-16 20:07:08,461 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2024-11-16 20:07:08,461 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 20:07:08,461 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 20:07:08,461 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-16 20:07:08,461 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-16 20:07:08,461 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-16 20:07:08,461 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-16 20:07:08,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 20:07:08,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 20:07:08,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 20:07:08,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 20:07:08,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 20:07:08,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 20:07:08,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-16 20:07:08,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-16 20:07:08,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-16 20:07:08,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-16 20:07:08,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-16 20:07:08,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-16 20:07:08,463 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_string [2024-11-16 20:07:08,463 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_string [2024-11-16 20:07:08,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 20:07:08,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 20:07:08,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 20:07:08,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 20:07:08,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 20:07:08,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 20:07:08,728 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 20:07:08,730 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 20:07:08,763 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-16 20:07:08,792 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6256: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2024-11-16 20:07:08,797 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-16 20:07:08,809 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2024-11-16 20:07:09,167 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 20:07:09,171 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6925: havoc #t~ret569.base, #t~ret569.offset; [2024-11-16 20:07:09,178 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8990: havoc #t~mem1227;havoc #t~ret1228.base, #t~ret1228.offset; [2024-11-16 20:07:09,201 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8985-1: assume true; [2024-11-16 20:07:09,201 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8985-1: assume !true; [2024-11-16 20:07:09,213 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2024-11-16 20:07:15,697 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6803: havoc ensure_string_is_allocated_bounded_length_#t~ret543#1.base, ensure_string_is_allocated_bounded_length_#t~ret543#1.offset; [2024-11-16 20:07:15,698 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6795: havoc ensure_string_is_allocated_nondet_length_#t~ret541#1.base, ensure_string_is_allocated_nondet_length_#t~ret541#1.offset; [2024-11-16 20:07:15,767 INFO L? ?]: Removed 178 outVars from TransFormulas that were not future-live. [2024-11-16 20:07:15,767 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 20:07:15,780 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 20:07:15,781 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 20:07:15,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:07:15 BoogieIcfgContainer [2024-11-16 20:07:15,781 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 20:07:15,783 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 20:07:15,784 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 20:07:15,786 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 20:07:15,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:07:06" (1/3) ... [2024-11-16 20:07:15,787 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44c07a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:07:15, skipping insertion in model container [2024-11-16 20:07:15,787 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 20:07:15,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44c07a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:07:15, skipping insertion in model container [2024-11-16 20:07:15,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:07:15" (3/3) ... [2024-11-16 20:07:15,789 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_string_harness.i [2024-11-16 20:07:15,801 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 20:07:15,802 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 20:07:15,861 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 20:07:15,866 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;@1ccaac84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 20:07:15,867 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 20:07:15,870 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 20:07:15,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-16 20:07:15,880 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:07:15,881 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 20:07:15,881 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:07:15,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:07:15,886 INFO L85 PathProgramCache]: Analyzing trace with hash -2108804264, now seen corresponding path program 1 times [2024-11-16 20:07:15,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:07:15,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094004551] [2024-11-16 20:07:15,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:07:15,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:08:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:31,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:08:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:31,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 20:08:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:32,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 20:08:32,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:32,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:08:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:32,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 20:08:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:32,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 20:08:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:32,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:08:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:32,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 20:08:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:32,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:08:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:32,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 20:08:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:32,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:08:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:32,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:08:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:08:32,629 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 20:08:32,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:08:32,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094004551] [2024-11-16 20:08:32,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094004551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:08:32,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:08:32,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 20:08:32,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483948291] [2024-11-16 20:08:32,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:08:32,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 20:08:32,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:08:32,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 20:08:32,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:08:32,660 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 20:08:36,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:08:41,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:08:45,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []