./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/heavy-2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/heavy-2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f1d7dc9d 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/loops/heavy-2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/heavy-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-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:25:02,803 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:25:02,872 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:25:02,877 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:25:02,880 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:25:02,903 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:25:02,903 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:25:02,904 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:25:02,904 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:25:02,905 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:25:02,906 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:25:02,906 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:25:02,907 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:25:02,908 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:25:02,909 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:25:02,909 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:25:02,909 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:25:02,909 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:25:02,910 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:25:02,910 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:25:02,910 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:25:02,914 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:25:02,914 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:25:02,915 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:25:02,915 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:25:02,915 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:25:02,915 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:25:02,915 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:25:02,916 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:25:02,916 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:25:02,916 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:25:02,916 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:25:02,916 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:25:02,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:25:02,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:25:02,919 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:25:02,919 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:25:02,919 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:25:02,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:25:02,920 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:25:02,920 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:25:02,921 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:25:02,921 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:25:02,921 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:25:03,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:25:03,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:25:03,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:25:03,201 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:25:03,201 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:25:03,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/heavy-2.yml/witness-2.1.yml [2024-09-20 13:25:03,255 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:25:03,256 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:25:03,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops/heavy-2.c [2024-09-20 13:25:04,728 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:25:04,910 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:25:04,911 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/heavy-2.c [2024-09-20 13:25:04,916 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/8474f44e5/9078a79f8d79404a820d49b5aea9a76b/FLAG1f007acfa [2024-09-20 13:25:05,305 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/8474f44e5/9078a79f8d79404a820d49b5aea9a76b [2024-09-20 13:25:05,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:25:05,306 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:25:05,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:25:05,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:25:05,313 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:25:05,314 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:03" (1/2) ... [2024-09-20 13:25:05,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a5f1ed8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:05, skipping insertion in model container [2024-09-20 13:25:05,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:03" (1/2) ... [2024-09-20 13:25:05,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@67ef3a98 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:05, skipping insertion in model container [2024-09-20 13:25:05,317 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:25:05" (2/2) ... [2024-09-20 13:25:05,317 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a5f1ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:05, skipping insertion in model container [2024-09-20 13:25:05,317 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:25:05" (2/2) ... [2024-09-20 13:25:05,324 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:25:05,325 INFO L1541 ArrayList]: Location invariant before [L21-L21] 0 [2024-09-20 13:25:05,325 INFO L1541 ArrayList]: Loop invariant at [L12-L15] (a == 1) [2024-09-20 13:25:05,325 INFO L1541 ArrayList]: Loop invariant at [L14-L15] (a == 1) [2024-09-20 13:25:05,325 INFO L1541 ArrayList]: Loop invariant at [L13-L15] (a == 1) [2024-09-20 13:25:05,341 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:25:05,498 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/heavy-2.c[600,613] [2024-09-20 13:25:05,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:25:05,589 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-20 13:25:05,625 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/heavy-2.c[600,613] Start Parsing Local [2024-09-20 13:25:05,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:25:05,703 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:25:05,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:05 WrapperNode [2024-09-20 13:25:05,703 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:25:05,704 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:25:05,704 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:25:05,704 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:25:05,718 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:05" (1/1) ... [2024-09-20 13:25:05,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:05" (1/1) ... [2024-09-20 13:25:05,731 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:05" (1/1) ... [2024-09-20 13:25:05,746 INFO L175 MemorySlicer]: Split 8 memory accesses to 2 slices as follows [2, 6]. 75 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 3 writes are split as follows [0, 3]. [2024-09-20 13:25:05,746 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:05" (1/1) ... [2024-09-20 13:25:05,746 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:05" (1/1) ... [2024-09-20 13:25:05,753 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:05" (1/1) ... [2024-09-20 13:25:05,761 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:05" (1/1) ... [2024-09-20 13:25:05,762 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:05" (1/1) ... [2024-09-20 13:25:05,763 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:05" (1/1) ... [2024-09-20 13:25:05,767 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:25:05,768 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:25:05,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:25:05,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:25:05,769 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:05" (1/1) ... [2024-09-20 13:25:05,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:25:05,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:25:05,812 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) [2024-09-20 13:25:05,815 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 [2024-09-20 13:25:05,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:25:05,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:25:05,868 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:25:05,870 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:25:05,870 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:25:05,870 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:25:05,871 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:25:05,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:25:05,871 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:25:05,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-20 13:25:05,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-20 13:25:05,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-20 13:25:05,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-20 13:25:05,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:25:05,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-20 13:25:05,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-20 13:25:05,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-09-20 13:25:05,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-09-20 13:25:05,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:25:05,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:25:05,983 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:25:05,985 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:25:06,162 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:25:06,201 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:25:06,204 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-20 13:25:06,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:25:06 BoogieIcfgContainer [2024-09-20 13:25:06,204 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:25:06,205 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:25:06,205 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:25:06,207 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:25:06,207 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:03" (1/4) ... [2024-09-20 13:25:06,207 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@63eaca63 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:25:06, skipping insertion in model container [2024-09-20 13:25:06,207 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:25:05" (2/4) ... [2024-09-20 13:25:06,207 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@63eaca63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:25:06, skipping insertion in model container [2024-09-20 13:25:06,207 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:05" (3/4) ... [2024-09-20 13:25:06,208 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@63eaca63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:25:06, skipping insertion in model container [2024-09-20 13:25:06,208 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:25:06" (4/4) ... [2024-09-20 13:25:06,209 INFO L79 RefereeObserver]: Analyzing ICFG heavy-2.c [2024-09-20 13:25:06,213 INFO L113 InvariantChecker]: Found 3 loops. [2024-09-20 13:25:06,214 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L12-4 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-20 13:25:06,215 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L14-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-20 13:25:06,215 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L12-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-20 13:25:06,215 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L13-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-20 13:25:06,215 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L14-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-20 13:25:06,216 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L12-4 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 6 edges. [2024-09-20 13:25:06,216 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L13-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-20 13:25:06,216 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-20 13:25:06,216 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 5 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-20 13:25:06,259 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:25:06,260 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:06,260 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:06,261 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:06,262 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:06,263 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:06,270 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-20 13:25:06,271 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:06,271 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:06,271 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:06,272 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:06,274 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:06,284 INFO L520 InvariantChecker]: The annotation(s) from loop head L12-4 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:25:06,306 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:25:06,309 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:06,309 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:06,309 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:06,309 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:06,310 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:06,315 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-20 13:25:06,315 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:06,315 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:06,315 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:06,315 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:06,316 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:06,318 INFO L520 InvariantChecker]: The annotation(s) from loop head L14-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:25:06,327 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:25:06,327 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:06,327 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:06,328 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:06,328 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:06,328 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:06,330 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:25:06,330 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:06,331 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:06,331 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:06,331 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:06,331 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:06,333 INFO L520 InvariantChecker]: The annotation(s) from loop head L12-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:25:06,342 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:25:06,343 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:06,343 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:06,343 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:06,343 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:06,343 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:06,346 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:25:06,346 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:06,346 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:06,346 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:06,346 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:06,347 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:06,348 INFO L520 InvariantChecker]: The annotation(s) from loop head L13-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:25:06,358 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:25:06,358 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:06,358 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:06,358 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:06,359 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:06,359 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:06,365 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:25:06,365 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:06,366 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:06,366 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:06,366 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:06,366 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:06,367 INFO L520 InvariantChecker]: The annotation(s) from loop head L14-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:25:06,376 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-20 13:25:06,376 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:06,376 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:06,377 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:06,377 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:06,377 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:06,381 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 13:25:06,381 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:06,381 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:06,382 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:06,382 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:06,382 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:06,384 INFO L520 InvariantChecker]: The annotation(s) from loop head L12-4 to error location mainErr4ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:25:06,394 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:25:06,394 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:06,394 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:06,394 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:06,394 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:06,395 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:06,399 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-20 13:25:06,399 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:06,400 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:06,400 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:06,400 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:06,401 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:06,402 INFO L520 InvariantChecker]: The annotation(s) from loop head L13-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:25:06,410 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 13:25:06,410 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:06,410 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:06,410 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:06,410 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:06,411 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:06,412 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 13:25:06,412 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:06,412 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:06,413 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:06,413 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:06,413 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:06,418 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:25:06,425 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 13:25:06,425 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@63eaca63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:25:06, skipping insertion in model container [2024-09-20 13:25:06,425 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:25:06,427 INFO L158 Benchmark]: Toolchain (without parser) took 1120.16ms. Allocated memory is still 153.1MB. Free memory was 98.1MB in the beginning and 93.7MB in the end (delta: 4.4MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2024-09-20 13:25:06,427 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 96.5MB. Free memory was 58.9MB in the beginning and 58.8MB in the end (delta: 70.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:25:06,428 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory was 56.8MB in the beginning and 56.8MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:25:06,430 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.32ms. Allocated memory is still 153.1MB. Free memory was 97.5MB in the beginning and 95.8MB in the end (delta: 1.7MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-09-20 13:25:06,431 INFO L158 Benchmark]: Boogie Preprocessor took 62.93ms. Allocated memory is still 153.1MB. Free memory was 95.8MB in the beginning and 93.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:25:06,432 INFO L158 Benchmark]: RCFGBuilder took 436.84ms. Allocated memory is still 153.1MB. Free memory was 93.7MB in the beginning and 113.3MB in the end (delta: -19.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-20 13:25:06,432 INFO L158 Benchmark]: Referee took 220.33ms. Allocated memory is still 153.1MB. Free memory was 113.3MB in the beginning and 93.7MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-20 13:25:06,436 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 12 to check that invariant of correctness witness holds at line 21. Annotation is valid for all loop-free paths from loop head at line 12 to check that a call to reach_error is unreachable at line 21. Annotation is valid for all loop-free paths from loop head at line 12 to loop head at line 13. Annotation is valid for all loop-free paths from loop head at line 14 to loop head at line 14. Annotation is valid for all loop-free paths from loop head at line 13 to loop head at line 14. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 12. Annotation is valid for all loop-free paths from loop head at line 14 to loop head at line 13. Annotation is valid for all loop-free paths from loop head at line 13 to loop head at line 12. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 96.5MB. Free memory was 58.9MB in the beginning and 58.8MB in the end (delta: 70.2kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory was 56.8MB in the beginning and 56.8MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.32ms. Allocated memory is still 153.1MB. Free memory was 97.5MB in the beginning and 95.8MB in the end (delta: 1.7MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.93ms. Allocated memory is still 153.1MB. Free memory was 95.8MB in the beginning and 93.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 436.84ms. Allocated memory is still 153.1MB. Free memory was 93.7MB in the beginning and 113.3MB in the end (delta: -19.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Referee took 220.33ms. Allocated memory is still 153.1MB. Free memory was 113.3MB in the beginning and 93.7MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 13:25:06,471 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: TRUE