./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-simple/nested_2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/nested_2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-simple/nested_2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/nested_2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:47:43,799 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:47:43,874 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:47:43,880 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:47:43,880 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:47:43,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:47:43,913 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:47:43,913 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:47:43,914 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:47:43,916 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:47:43,916 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:47:43,918 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:47:43,918 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:47:43,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:47:43,922 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:47:43,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:47:43,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:47:43,923 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:47:43,923 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:47:43,923 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:47:43,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:47:43,924 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:47:43,924 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:47:43,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:47:43,926 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:47:43,927 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:47:43,927 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:47:43,927 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:47:43,927 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:47:43,928 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:47:43,928 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:47:43,928 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:47:43,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:43,928 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:47:43,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:47:43,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:47:43,929 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:47:43,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:47:43,930 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:47:43,931 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:47:43,931 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:47:43,932 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:47:43,932 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/certificate-witnesses-artifact/referee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:47:44,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:47:44,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:47:44,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:47:44,203 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:47:44,203 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:47:44,205 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/nested_2.yml/witness-2.1.yml [2024-09-11 20:47:44,286 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:47:44,286 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:47:44,287 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-simple/nested_2.c [2024-09-11 20:47:45,771 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:47:45,962 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:47:45,962 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-simple/nested_2.c [2024-09-11 20:47:45,968 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/379a3c65a/edd9b86faf274b42b523e8974112b49e/FLAG84e857796 [2024-09-11 20:47:46,354 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/379a3c65a/edd9b86faf274b42b523e8974112b49e [2024-09-11 20:47:46,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:47:46,356 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:47:46,357 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:46,357 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:47:46,363 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:47:46,364 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:44" (1/2) ... [2024-09-11 20:47:46,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7448755d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:46, skipping insertion in model container [2024-09-11 20:47:46,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:44" (1/2) ... [2024-09-11 20:47:46,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@ad48d4c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:46, skipping insertion in model container [2024-09-11 20:47:46,369 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:46" (2/2) ... [2024-09-11 20:47:46,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7448755d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:46, skipping insertion in model container [2024-09-11 20:47:46,370 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:46" (2/2) ... [2024-09-11 20:47:46,377 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:47:46,381 INFO L1541 ArrayList]: Loop invariant at [L21-L23] ((a <= 5) && (b <= 6)) [2024-09-11 20:47:46,381 INFO L1541 ArrayList]: Loop invariant at [L20-L24] ((a <= 6) && (6 == b)) [2024-09-11 20:47:46,399 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:47:46,554 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-simple/nested_2.c[730,743] [2024-09-11 20:47:46,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:46,574 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local [2024-09-11 20:47:46,622 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-simple/nested_2.c[730,743] [2024-09-11 20:47:46,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:46,637 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:47:46,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:46 WrapperNode [2024-09-11 20:47:46,638 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:46,639 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:47:46,640 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:47:46,640 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:47:46,653 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:46" (1/1) ... [2024-09-11 20:47:46,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:46" (1/1) ... [2024-09-11 20:47:46,660 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:46" (1/1) ... [2024-09-11 20:47:46,674 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-11 20:47:46,674 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:46" (1/1) ... [2024-09-11 20:47:46,675 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:46" (1/1) ... [2024-09-11 20:47:46,683 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:46" (1/1) ... [2024-09-11 20:47:46,689 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:46" (1/1) ... [2024-09-11 20:47:46,690 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:46" (1/1) ... [2024-09-11 20:47:46,691 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:46" (1/1) ... [2024-09-11 20:47:46,696 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:47:46,697 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:47:46,700 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:47:46,700 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:47:46,701 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:46" (1/1) ... [2024-09-11 20:47:46,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:46,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:47:46,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:47:46,741 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:47:46,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:47:46,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:47:46,789 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:47:46,790 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:47:46,790 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:47:46,790 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:47:46,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:47:46,791 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:47:46,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:47:46,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-11 20:47:46,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:47:46,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-11 20:47:46,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-11 20:47:46,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:47:46,864 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:47:46,866 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:47:46,972 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-09-11 20:47:46,973 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:47:46,995 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:47:46,996 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-11 20:47:46,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:46 BoogieIcfgContainer [2024-09-11 20:47:46,996 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:47:46,997 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:47:46,997 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:47:46,999 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:47:47,000 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:44" (1/4) ... [2024-09-11 20:47:47,000 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@cbee7cb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:47:47, skipping insertion in model container [2024-09-11 20:47:47,000 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:47:46" (2/4) ... [2024-09-11 20:47:47,000 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@cbee7cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:47, skipping insertion in model container [2024-09-11 20:47:47,000 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:46" (3/4) ... [2024-09-11 20:47:47,001 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@cbee7cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:47, skipping insertion in model container [2024-09-11 20:47:47,001 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:46" (4/4) ... [2024-09-11 20:47:47,002 INFO L79 RefereeObserver]: Analyzing ICFG nested_2.c [2024-09-11 20:47:47,008 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-11 20:47:47,009 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-11 20:47:47,009 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-11 20:47:47,010 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:47:47,010 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-11 20:47:47,010 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-11 20:47:47,011 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to error location [2024-09-11 20:47:47,043 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:47,044 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:47,044 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:47,045 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:47,046 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:47,048 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:47,063 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:47,064 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:47,065 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:47,065 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:47,066 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:47,066 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:47,084 INFO L514 InvariantChecker]: The annotation(s) from loop head L21-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:47,095 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:47,095 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:47,095 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:47,095 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:47,095 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:47,096 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:47,099 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:47,100 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:47,100 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:47,100 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:47,100 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:47,100 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:47,102 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:47,109 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:47:47,110 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:47,110 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:47,110 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:47,114 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:47,115 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:47,122 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-11 20:47:47,122 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:47,123 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:47,123 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:47,123 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:47,128 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:47,131 INFO L514 InvariantChecker]: The annotation(s) from loop head L21-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:47,140 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:47:47,141 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:47,141 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:47,141 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:47,141 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:47,141 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:47,143 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:47:47,144 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:47,144 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:47,144 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:47,144 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:47,144 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:47,149 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:47,155 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:47:47,156 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:47,156 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:47,156 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:47,156 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:47,156 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:47,161 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-11 20:47:47,161 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:47,161 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:47,162 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:47,162 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:47,163 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:47,165 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-4 to error location mainErr2ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:47:47,169 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:47:47,169 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@cbee7cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:47:47, skipping insertion in model container [2024-09-11 20:47:47,169 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:47:47,172 INFO L158 Benchmark]: Toolchain (without parser) took 814.50ms. Allocated memory is still 153.1MB. Free memory was 80.2MB in the beginning and 98.5MB in the end (delta: -18.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:47,172 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 109.1MB. Free memory is still 69.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:47,172 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 153.1MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:47,173 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.51ms. Allocated memory is still 153.1MB. Free memory was 80.0MB in the beginning and 123.7MB in the end (delta: -43.7MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-09-11 20:47:47,174 INFO L158 Benchmark]: Boogie Preprocessor took 56.56ms. Allocated memory is still 153.1MB. Free memory was 123.7MB in the beginning and 121.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:47:47,175 INFO L158 Benchmark]: RCFGBuilder took 299.91ms. Allocated memory is still 153.1MB. Free memory was 121.4MB in the beginning and 109.5MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-11 20:47:47,176 INFO L158 Benchmark]: Referee took 172.29ms. Allocated memory is still 153.1MB. Free memory was 109.5MB in the beginning and 98.5MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:47:47,180 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from loop head at line 21 to loop head at line 20. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 20. Annotation is valid for all loop-free paths from loop head at line 21 to loop head at line 21. Annotation is valid for all loop-free paths from loop head at line 20 to check that a call to reach_error is unreachable at line 26. Annotation is valid for all loop-free paths from loop head at line 20 to loop head at line 21. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.21ms. Allocated memory is still 109.1MB. Free memory is still 69.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 153.1MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.51ms. Allocated memory is still 153.1MB. Free memory was 80.0MB in the beginning and 123.7MB in the end (delta: -43.7MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.56ms. Allocated memory is still 153.1MB. Free memory was 123.7MB in the beginning and 121.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 299.91ms. Allocated memory is still 153.1MB. Free memory was 121.4MB in the beginning and 109.5MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 172.29ms. Allocated memory is still 153.1MB. Free memory was 109.5MB in the beginning and 98.5MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:47:47,204 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-simple/nested_2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/nested_2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:47:49,449 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:47:49,530 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:47:49,537 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:47:49,537 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:47:49,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:47:49,568 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:47:49,569 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:47:49,570 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:47:49,571 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:47:49,571 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:47:49,572 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:47:49,572 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:47:49,576 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:47:49,576 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:47:49,577 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:47:49,577 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:47:49,577 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:47:49,578 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:47:49,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:47:49,578 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:47:49,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:47:49,579 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:47:49,579 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:47:49,579 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:47:49,580 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:47:49,580 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:47:49,580 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:47:49,580 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:47:49,581 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:47:49,585 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:47:49,586 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:47:49,586 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:47:49,593 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:47:49,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:49,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:47:49,597 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:47:49,598 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:47:49,598 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:47:49,599 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:47:49,599 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:47:49,599 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:47:49,599 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:47:49,600 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:47:49,600 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:47:49,600 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/certificate-witnesses-artifact/referee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:47:49,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:47:49,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:47:49,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:47:49,954 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:47:49,956 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:47:49,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/nested_2.yml/witness-2.1.yml [2024-09-11 20:47:50,007 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:47:50,008 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:47:50,008 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-simple/nested_2.c [2024-09-11 20:47:51,712 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:47:51,896 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:47:51,897 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-simple/nested_2.c [2024-09-11 20:47:51,907 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/88880e7be/7314c6a9b01b47a4a56e03b7d315ac8a/FLAG4ec01037a [2024-09-11 20:47:51,924 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/88880e7be/7314c6a9b01b47a4a56e03b7d315ac8a [2024-09-11 20:47:51,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:47:51,926 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:47:51,927 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:51,927 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:47:51,932 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:47:51,933 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:50" (1/2) ... [2024-09-11 20:47:51,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@126258e4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:51, skipping insertion in model container [2024-09-11 20:47:51,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:50" (1/2) ... [2024-09-11 20:47:51,936 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@66460c7e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:51, skipping insertion in model container [2024-09-11 20:47:51,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:51" (2/2) ... [2024-09-11 20:47:51,936 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@126258e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:51, skipping insertion in model container [2024-09-11 20:47:51,936 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:51" (2/2) ... [2024-09-11 20:47:51,943 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:47:51,944 INFO L1541 ArrayList]: Loop invariant at [L21-L23] ((a <= 5) && (b <= 6)) [2024-09-11 20:47:51,944 INFO L1541 ArrayList]: Loop invariant at [L20-L24] ((a <= 6) && (6 == b)) [2024-09-11 20:47:51,966 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:47:52,136 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-simple/nested_2.c[730,743] [2024-09-11 20:47:52,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:52,157 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local [2024-09-11 20:47:52,195 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-simple/nested_2.c[730,743] [2024-09-11 20:47:52,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:52,216 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:47:52,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:52 WrapperNode [2024-09-11 20:47:52,217 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:52,218 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:47:52,218 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:47:52,218 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:47:52,237 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:52" (1/1) ... [2024-09-11 20:47:52,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:52" (1/1) ... [2024-09-11 20:47:52,251 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:52" (1/1) ... [2024-09-11 20:47:52,264 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-11 20:47:52,265 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:52" (1/1) ... [2024-09-11 20:47:52,265 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:52" (1/1) ... [2024-09-11 20:47:52,274 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:52" (1/1) ... [2024-09-11 20:47:52,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:52" (1/1) ... [2024-09-11 20:47:52,280 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:52" (1/1) ... [2024-09-11 20:47:52,282 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:52" (1/1) ... [2024-09-11 20:47:52,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:47:52,286 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:47:52,287 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:47:52,287 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:47:52,288 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:52" (1/1) ... [2024-09-11 20:47:52,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:52,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:47:52,319 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:47:52,322 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:47:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:47:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:47:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:47:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:47:52,375 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:47:52,375 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:47:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:47:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:47:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:47:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-11 20:47:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:47:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-11 20:47:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-11 20:47:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:47:52,454 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:47:52,456 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:47:52,646 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-09-11 20:47:52,646 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:47:52,686 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:47:52,687 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-11 20:47:52,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:52 BoogieIcfgContainer [2024-09-11 20:47:52,688 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:47:52,689 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:47:52,689 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:47:52,690 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:47:52,690 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:50" (1/4) ... [2024-09-11 20:47:52,692 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2f04cea4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:47:52, skipping insertion in model container [2024-09-11 20:47:52,692 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:47:51" (2/4) ... [2024-09-11 20:47:52,692 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2f04cea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:52, skipping insertion in model container [2024-09-11 20:47:52,692 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:52" (3/4) ... [2024-09-11 20:47:52,693 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2f04cea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:52, skipping insertion in model container [2024-09-11 20:47:52,693 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:52" (4/4) ... [2024-09-11 20:47:52,695 INFO L79 RefereeObserver]: Analyzing ICFG nested_2.c [2024-09-11 20:47:52,698 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-11 20:47:52,699 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-11 20:47:52,699 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-11 20:47:52,699 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:47:52,700 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-11 20:47:52,700 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-11 20:47:52,701 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to error location [2024-09-11 20:47:52,738 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:52,739 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:52,740 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:52,740 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:52,741 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:52,743 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:52,759 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:52,762 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:52,762 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:52,763 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:52,763 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:52,764 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:52,781 INFO L514 InvariantChecker]: The annotation(s) from loop head L21-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:52,796 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:52,797 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:52,797 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:52,797 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:52,797 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:52,798 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:52,806 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:52,806 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:52,807 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:52,807 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:52,807 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:52,807 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:52,811 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:52,827 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:47:52,827 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:52,827 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:52,827 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:52,828 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:52,828 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:52,837 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-11 20:47:52,840 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:52,840 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:52,840 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:52,840 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:52,845 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:52,849 INFO L514 InvariantChecker]: The annotation(s) from loop head L21-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:52,862 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:47:52,862 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:52,862 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:52,863 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:52,863 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:52,863 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:52,864 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:47:52,864 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:52,864 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:52,864 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:52,865 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:52,865 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:52,873 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:52,883 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:47:52,883 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:52,884 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:52,884 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:52,884 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:52,884 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:52,890 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-11 20:47:52,890 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:52,890 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:52,891 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:52,891 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:52,892 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:52,894 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-4 to error location mainErr2ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:47:52,898 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:47:52,898 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2f04cea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:47:52, skipping insertion in model container [2024-09-11 20:47:52,899 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:47:52,901 INFO L158 Benchmark]: Toolchain (without parser) took 974.18ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 35.0MB in the beginning and 43.7MB in the end (delta: -8.6MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2024-09-11 20:47:52,902 INFO L158 Benchmark]: Witness Parser took 0.27ms. Allocated memory is still 41.9MB. Free memory was 25.5MB in the beginning and 25.5MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:52,902 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 41.9MB. Free memory was 23.5MB in the beginning and 23.4MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:52,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.62ms. Allocated memory is still 54.5MB. Free memory was 34.9MB in the beginning and 21.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:47:52,904 INFO L158 Benchmark]: Boogie Preprocessor took 66.67ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 21.8MB in the beginning and 50.2MB in the end (delta: -28.4MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2024-09-11 20:47:52,906 INFO L158 Benchmark]: RCFGBuilder took 402.24ms. Allocated memory is still 71.3MB. Free memory was 50.2MB in the beginning and 37.7MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:47:52,906 INFO L158 Benchmark]: Referee took 209.73ms. Allocated memory is still 71.3MB. Free memory was 37.7MB in the beginning and 43.7MB in the end (delta: -6.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-11 20:47:52,910 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from loop head at line 21 to loop head at line 21. Annotation is valid for all loop-free paths from loop head at line 20 to check that a call to reach_error is unreachable at line 26. Annotation is valid for all loop-free paths from loop head at line 21 to loop head at line 20. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 20. Annotation is valid for all loop-free paths from loop head at line 20 to loop head at line 21. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.27ms. Allocated memory is still 41.9MB. Free memory was 25.5MB in the beginning and 25.5MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.19ms. Allocated memory is still 41.9MB. Free memory was 23.5MB in the beginning and 23.4MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.62ms. Allocated memory is still 54.5MB. Free memory was 34.9MB in the beginning and 21.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.67ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 21.8MB in the beginning and 50.2MB in the end (delta: -28.4MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * RCFGBuilder took 402.24ms. Allocated memory is still 71.3MB. Free memory was 50.2MB in the beginning and 37.7MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 209.73ms. Allocated memory is still 71.3MB. Free memory was 37.7MB in the beginning and 43.7MB in the end (delta: -6.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:47:52,933 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN