./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 ca4ee3dd 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-ca4ee3d-m [2024-09-20 20:08:25,347 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:08:25,425 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:08:25,429 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:08:25,431 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:08:25,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:08:25,456 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:08:25,456 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:08:25,457 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:08:25,459 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:08:25,459 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:08:25,460 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:08:25,460 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:08:25,461 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:08:25,462 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:08:25,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:08:25,463 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:08:25,463 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:08:25,464 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:08:25,464 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:08:25,464 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:08:25,466 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:08:25,466 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:08:25,467 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:08:25,467 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:08:25,467 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:08:25,468 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:08:25,468 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:08:25,468 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:08:25,469 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:08:25,469 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:08:25,469 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:08:25,469 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:08:25,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:08:25,471 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:08:25,471 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:08:25,472 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:08:25,472 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:08:25,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:08:25,472 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:08:25,472 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:08:25,473 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:08:25,473 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:08:25,473 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:08:25,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:08:25,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:08:25,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:08:25,741 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:08:25,741 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:08:25,743 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops/heavy-2.c [2024-09-20 20:08:27,175 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:08:27,340 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:08:27,341 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/heavy-2.c [2024-09-20 20:08:27,347 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/00dfccfa9/26fe4a0ffb3f4f95bd662d77481524ce/FLAGba27d2a1f [2024-09-20 20:08:27,747 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/00dfccfa9/26fe4a0ffb3f4f95bd662d77481524ce [2024-09-20 20:08:27,750 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:08:27,751 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:08:27,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/heavy-2.yml/witness-2.1.yml [2024-09-20 20:08:27,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:08:27,800 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:08:27,801 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:08:27,803 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:08:27,808 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:08:27,809 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:08:27" (1/2) ... [2024-09-20 20:08:27,810 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c2d075c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:27, skipping insertion in model container [2024-09-20 20:08:27,810 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:08:27" (1/2) ... [2024-09-20 20:08:27,813 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@efcbe80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:27, skipping insertion in model container [2024-09-20 20:08:27,814 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 08:08:27" (2/2) ... [2024-09-20 20:08:27,814 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c2d075c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:27, skipping insertion in model container [2024-09-20 20:08:27,814 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 08:08:27" (2/2) ... [2024-09-20 20:08:27,823 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:08:27,824 INFO L1541 ArrayList]: Loop invariant at [L13-L15] (a == 1) [2024-09-20 20:08:27,824 INFO L1541 ArrayList]: Loop invariant at [L14-L15] (a == 1) [2024-09-20 20:08:27,824 INFO L1541 ArrayList]: Location invariant before [L21-L21] 0 [2024-09-20 20:08:27,824 INFO L1541 ArrayList]: Loop invariant at [L12-L15] (a == 1) [2024-09-20 20:08:27,840 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:08:28,019 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 20:08:28,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:08:28,057 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-20 20:08:28,089 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 20:08:28,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:08:28,151 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:08:28,152 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:28 WrapperNode [2024-09-20 20:08:28,152 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:08:28,156 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:08:28,156 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:08:28,156 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:08:28,168 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:28" (1/1) ... [2024-09-20 20:08:28,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:28" (1/1) ... [2024-09-20 20:08:28,176 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:28" (1/1) ... [2024-09-20 20:08:28,188 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 20:08:28,189 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:28" (1/1) ... [2024-09-20 20:08:28,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:28" (1/1) ... [2024-09-20 20:08:28,196 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:28" (1/1) ... [2024-09-20 20:08:28,201 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:28" (1/1) ... [2024-09-20 20:08:28,202 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:28" (1/1) ... [2024-09-20 20:08:28,203 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:28" (1/1) ... [2024-09-20 20:08:28,205 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:08:28,206 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:08:28,206 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:08:28,206 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:08:28,207 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:28" (1/1) ... [2024-09-20 20:08:28,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:08:28,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:08:28,233 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 20:08:28,234 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 20:08:28,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:08:28,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:08:28,270 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:08:28,270 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:08:28,271 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:08:28,271 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:08:28,271 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:08:28,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:08:28,271 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:08:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-20 20:08:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-20 20:08:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-20 20:08:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-20 20:08:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:08:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-20 20:08:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-20 20:08:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-09-20 20:08:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-09-20 20:08:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:08:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:08:28,350 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:08:28,352 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:08:28,461 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:08:28,487 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:08:28,487 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-20 20:08:28,487 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:08:28 BoogieIcfgContainer [2024-09-20 20:08:28,488 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:08:28,488 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:08:28,488 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:08:28,489 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:08:28,489 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:08:27" (1/4) ... [2024-09-20 20:08:28,489 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@305546eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:08:28, skipping insertion in model container [2024-09-20 20:08:28,490 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 08:08:27" (2/4) ... [2024-09-20 20:08:28,490 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@305546eb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:08:28, skipping insertion in model container [2024-09-20 20:08:28,490 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:28" (3/4) ... [2024-09-20 20:08:28,490 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@305546eb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:08:28, skipping insertion in model container [2024-09-20 20:08:28,491 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:08:28" (4/4) ... [2024-09-20 20:08:28,491 INFO L79 RefereeObserver]: Analyzing ICFG heavy-2.c [2024-09-20 20:08:28,494 INFO L113 InvariantChecker]: Found 3 loops. [2024-09-20 20:08:28,495 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 20:08:28,495 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 20:08:28,495 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 20:08:28,495 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 20:08:28,496 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 20:08:28,496 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 20:08:28,496 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 20:08:28,496 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 20:08:28,496 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 5 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-20 20:08:28,533 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:08:28,534 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:28,534 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:28,535 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:28,536 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:28,538 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:28,551 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-20 20:08:28,552 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:28,553 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:28,553 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:28,554 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:28,560 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:08:28,582 INFO L520 InvariantChecker]: The annotation(s) from loop head L12-4 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:08:28,599 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:08:28,599 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:28,599 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:28,600 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:28,600 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:28,600 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:28,607 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-20 20:08:28,608 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:28,608 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:28,608 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:28,608 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:28,609 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:08:28,611 INFO L520 InvariantChecker]: The annotation(s) from loop head L14-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:08:28,624 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:08:28,624 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:28,624 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:28,624 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:28,625 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:28,625 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:28,628 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:08:28,628 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:28,628 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:28,629 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:28,629 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:28,629 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:08:28,631 INFO L520 InvariantChecker]: The annotation(s) from loop head L12-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:08:28,653 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:08:28,653 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:28,653 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:28,653 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:28,653 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:28,653 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:28,656 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:08:28,656 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:28,656 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:28,656 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:28,656 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:28,657 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:08:28,661 INFO L520 InvariantChecker]: The annotation(s) from loop head L13-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:08:28,672 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:08:28,672 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:28,673 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:28,673 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:28,673 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:28,673 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:28,680 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:08:28,680 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:28,681 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:28,681 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:28,681 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:28,681 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:08:28,685 INFO L520 InvariantChecker]: The annotation(s) from loop head L14-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:08:28,699 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-20 20:08:28,699 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:28,700 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:28,700 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:28,700 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:28,700 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:28,706 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:08:28,706 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:28,706 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:28,707 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:28,707 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:28,707 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:08:28,712 INFO L520 InvariantChecker]: The annotation(s) from loop head L12-4 to error location mainErr4ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:08:28,728 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:08:28,728 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:28,728 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:28,729 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:28,729 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:28,729 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:28,734 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-20 20:08:28,734 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:28,734 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:28,735 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:28,735 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:28,736 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:08:28,737 INFO L520 InvariantChecker]: The annotation(s) from loop head L13-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:08:28,744 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 20:08:28,747 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:28,747 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:28,748 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:28,748 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:28,748 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:28,750 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 20:08:28,754 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:28,754 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:28,754 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:28,755 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:28,755 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:08:28,764 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:08:28,768 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 20:08:28,769 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@305546eb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:08:28, skipping insertion in model container [2024-09-20 20:08:28,770 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:08:28,771 INFO L158 Benchmark]: Toolchain (without parser) took 970.95ms. Allocated memory was 153.1MB in the beginning and 203.4MB in the end (delta: 50.3MB). Free memory was 106.0MB in the beginning and 133.0MB in the end (delta: -27.0MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2024-09-20 20:08:28,773 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 153.1MB. Free memory is still 114.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:08:28,773 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 153.1MB. Free memory is still 107.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:08:28,774 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.12ms. Allocated memory was 153.1MB in the beginning and 203.4MB in the end (delta: 50.3MB). Free memory was 105.6MB in the beginning and 169.7MB in the end (delta: -64.1MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2024-09-20 20:08:28,775 INFO L158 Benchmark]: Boogie Preprocessor took 48.96ms. Allocated memory is still 203.4MB. Free memory was 169.7MB in the beginning and 167.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:08:28,776 INFO L158 Benchmark]: RCFGBuilder took 281.92ms. Allocated memory is still 203.4MB. Free memory was 167.6MB in the beginning and 152.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:08:28,776 INFO L158 Benchmark]: Referee took 281.48ms. Allocated memory is still 203.4MB. Free memory was 152.9MB in the beginning and 133.0MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-20 20:08:28,779 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 14 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 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 13 to loop head at line 12. 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 12 to check that invariant of correctness witness holds at line 21. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 153.1MB. Free memory is still 114.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.19ms. Allocated memory is still 153.1MB. Free memory is still 107.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.12ms. Allocated memory was 153.1MB in the beginning and 203.4MB in the end (delta: 50.3MB). Free memory was 105.6MB in the beginning and 169.7MB in the end (delta: -64.1MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.96ms. Allocated memory is still 203.4MB. Free memory was 169.7MB in the beginning and 167.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 281.92ms. Allocated memory is still 203.4MB. Free memory was 167.6MB in the beginning and 152.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 281.48ms. Allocated memory is still 203.4MB. Free memory was 152.9MB in the beginning and 133.0MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 20:08:28,811 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