./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops-crafted-1/loopv3.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/loopv3.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version de325976 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-crafted-1/loopv3.c ../results/automizer-verification-files/SV-COMP24_unreach-call/loopv3.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-de32597-m [2024-09-17 19:39:22,269 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:39:22,324 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-17 19:39:22,328 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:39:22,329 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:39:22,354 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:39:22,355 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:39:22,355 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:39:22,355 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:39:22,356 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:39:22,356 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:39:22,356 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:39:22,357 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:39:22,358 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:39:22,359 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:39:22,359 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:39:22,360 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:39:22,360 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:39:22,360 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-17 19:39:22,360 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:39:22,360 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:39:22,361 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:39:22,365 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:39:22,365 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:39:22,365 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:39:22,365 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:39:22,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:39:22,366 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:39:22,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:39:22,366 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:39:22,366 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-17 19:39:22,366 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:39:22,367 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:39:22,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:39:22,367 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:39:22,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:39:22,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:39:22,367 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-17 19:39:22,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-17 19:39:22,368 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:39:22,368 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:39:22,368 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:39:22,368 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:39:22,369 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-17 19:39:22,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:39:22,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:39:22,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:39:22,619 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-17 19:39:22,620 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-17 19:39:22,621 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/loopv3.yml/witness-2.1.yml [2024-09-17 19:39:22,712 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:39:22,713 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:39:22,714 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops-crafted-1/loopv3.c [2024-09-17 19:39:24,026 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:39:24,270 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:39:24,270 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops-crafted-1/loopv3.c [2024-09-17 19:39:24,286 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/6e1689bc8/89fa388340184da891e0ae254dc4f390/FLAG3eba438bf [2024-09-17 19:39:24,637 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/6e1689bc8/89fa388340184da891e0ae254dc4f390 [2024-09-17 19:39:24,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:39:24,639 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-17 19:39:24,646 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:39:24,646 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:39:24,654 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:39:24,655 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:39:22" (1/2) ... [2024-09-17 19:39:24,656 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b90a3f9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:39:24, skipping insertion in model container [2024-09-17 19:39:24,656 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:39:22" (1/2) ... [2024-09-17 19:39:24,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2de1b22a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:39:24, skipping insertion in model container [2024-09-17 19:39:24,662 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:39:24" (2/2) ... [2024-09-17 19:39:24,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b90a3f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:24, skipping insertion in model container [2024-09-17 19:39:24,663 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:39:24" (2/2) ... [2024-09-17 19:39:24,671 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-17 19:39:24,676 INFO L1541 ArrayList]: Loop invariant at [L23-L30] (((i % 4) == 0) && (50000001 <= SIZE)) [2024-09-17 19:39:24,677 INFO L1541 ArrayList]: Function contract at [L20]: requires (50000001 <= SIZE), ensures (50000001 <= SIZE) [2024-09-17 19:39:24,677 INFO L1541 ArrayList]: Function contract at [L12]: requires ((1 <= \old(cond)) && (50000001 <= SIZE)), ensures ((1 <= \old(cond)) && (50000001 <= SIZE)) [2024-09-17 19:39:24,706 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:39:24,923 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-crafted-1/loopv3.c[456,469] [2024-09-17 19:39:24,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:39:24,979 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-17 19:39:25,010 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-crafted-1/loopv3.c[456,469] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-17 19:39:25,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:39:25,025 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:39:25,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:25 WrapperNode [2024-09-17 19:39:25,026 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:39:25,027 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:39:25,027 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:39:25,027 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:39:25,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:25" (1/1) ... [2024-09-17 19:39:25,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:25" (1/1) ... [2024-09-17 19:39:25,055 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:25" (1/1) ... [2024-09-17 19:39:25,061 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-17 19:39:25,061 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:25" (1/1) ... [2024-09-17 19:39:25,062 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:25" (1/1) ... [2024-09-17 19:39:25,064 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:25" (1/1) ... [2024-09-17 19:39:25,066 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:25" (1/1) ... [2024-09-17 19:39:25,066 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:25" (1/1) ... [2024-09-17 19:39:25,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:25" (1/1) ... [2024-09-17 19:39:25,068 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:39:25,069 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:39:25,069 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:39:25,069 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:39:25,069 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:25" (1/1) ... [2024-09-17 19:39:25,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:39:25,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-17 19:39:25,090 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) [2024-09-17 19:39:25,092 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 [2024-09-17 19:39:25,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-17 19:39:25,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:39:25,122 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-17 19:39:25,122 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-17 19:39:25,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-17 19:39:25,123 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-17 19:39:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-17 19:39:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-17 19:39:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-17 19:39:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-17 19:39:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:39:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-17 19:39:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-17 19:39:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-17 19:39:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-17 19:39:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-17 19:39:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:39:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-17 19:39:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-17 19:39:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-17 19:39:25,187 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:39:25,192 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:39:25,268 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:39:25,346 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:39:25,355 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:39:25,375 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:39:25,375 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-17 19:39:25,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:39:25 BoogieIcfgContainer [2024-09-17 19:39:25,375 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:39:25,376 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-17 19:39:25,376 INFO L270 PluginConnector]: Initializing Referee... [2024-09-17 19:39:25,377 INFO L274 PluginConnector]: Referee initialized [2024-09-17 19:39:25,377 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:39:22" (1/4) ... [2024-09-17 19:39:25,378 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7e1ebb61 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:39:25, skipping insertion in model container [2024-09-17 19:39:25,378 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:39:24" (2/4) ... [2024-09-17 19:39:25,379 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7e1ebb61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:39:25, skipping insertion in model container [2024-09-17 19:39:25,379 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:25" (3/4) ... [2024-09-17 19:39:25,379 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7e1ebb61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:39:25, skipping insertion in model container [2024-09-17 19:39:25,379 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:39:25" (4/4) ... [2024-09-17 19:39:25,380 INFO L79 RefereeObserver]: Analyzing ICFG loopv3.c [2024-09-17 19:39:25,387 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-17 19:39:25,387 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-17 19:39:25,388 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-2 to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 7 edges. [2024-09-17 19:39:25,388 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-17 19:39:25,388 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-17 19:39:25,388 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-17 19:39:25,388 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-17 19:39:25,388 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-17 19:39:25,388 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-17 19:39:25,440 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-17 19:39:25,441 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:25,443 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:25,444 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:25,449 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:25,451 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:25,475 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-17 19:39:25,476 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:25,476 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:25,476 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:25,477 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:25,486 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:39:25,507 INFO L520 InvariantChecker]: The annotation(s) from loop head L25-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:39:25,528 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-17 19:39:25,528 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:25,528 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:25,528 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:25,528 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:25,528 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:25,541 INFO L101 BaseMinimizeStates]: Removed 15 edges and 5 locations by large block encoding [2024-09-17 19:39:25,541 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:25,541 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:25,541 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:25,541 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:25,543 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:39:25,545 INFO L520 InvariantChecker]: The annotation(s) from loop head L25-2 to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:39:25,551 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:39:25,551 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:25,551 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:25,551 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:25,551 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:25,551 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:25,552 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:39:25,553 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:25,553 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:25,553 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:25,553 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:25,554 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:39:25,558 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:39:25,568 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-17 19:39:25,569 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:25,569 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:25,569 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:25,570 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:25,570 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:25,574 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-17 19:39:25,575 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:25,575 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:25,575 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:25,575 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:25,575 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:39:25,578 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:39:25,586 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-17 19:39:25,590 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:25,590 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:25,590 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:25,591 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:25,591 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:25,608 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-17 19:39:25,608 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:25,608 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:25,609 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:25,609 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:25,615 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:39:25,617 INFO L520 InvariantChecker]: The annotation(s) from loop head L25-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:39:25,624 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-17 19:39:25,624 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:25,624 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:25,624 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:25,625 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:25,625 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:25,629 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-17 19:39:25,630 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:25,630 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:25,630 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:25,630 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:25,631 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:39:25,632 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:39:25,641 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:39:25,642 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:25,642 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:25,643 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:25,644 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:25,644 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:25,645 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:39:25,646 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:25,646 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:25,646 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:25,646 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:25,646 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:39:25,648 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-17 19:39:25,651 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-17 19:39:25,651 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7e1ebb61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 17.09 07:39:25, skipping insertion in model container [2024-09-17 19:39:25,652 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-17 19:39:25,654 INFO L158 Benchmark]: Toolchain (without parser) took 1014.56ms. Allocated memory was 174.1MB in the beginning and 241.2MB in the end (delta: 67.1MB). Free memory was 98.0MB in the beginning and 175.1MB in the end (delta: -77.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:39:25,655 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 174.1MB. Free memory is still 125.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:39:25,656 INFO L158 Benchmark]: CDTParser took 0.85ms. Allocated memory is still 174.1MB. Free memory is still 144.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:39:25,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.55ms. Allocated memory is still 174.1MB. Free memory was 97.8MB in the beginning and 139.4MB in the end (delta: -41.6MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-09-17 19:39:25,657 INFO L158 Benchmark]: Boogie Preprocessor took 41.41ms. Allocated memory was 174.1MB in the beginning and 241.2MB in the end (delta: 67.1MB). Free memory was 139.4MB in the beginning and 210.8MB in the end (delta: -71.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-17 19:39:25,658 INFO L158 Benchmark]: RCFGBuilder took 306.92ms. Allocated memory is still 241.2MB. Free memory was 210.8MB in the beginning and 197.2MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-17 19:39:25,659 INFO L158 Benchmark]: Referee took 276.83ms. Allocated memory is still 241.2MB. Free memory was 197.2MB in the beginning and 175.1MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-17 19:39:25,661 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 entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 23 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 23. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 14. Annotation is valid for all loop-free paths from loop head at line 23 to loop head at line 23. Annotation is valid for all loop-free paths from loop head at line 23 to check that procedure precondition always holds at line 32. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 174.1MB. Free memory is still 125.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.85ms. Allocated memory is still 174.1MB. Free memory is still 144.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.55ms. Allocated memory is still 174.1MB. Free memory was 97.8MB in the beginning and 139.4MB in the end (delta: -41.6MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.41ms. Allocated memory was 174.1MB in the beginning and 241.2MB in the end (delta: 67.1MB). Free memory was 139.4MB in the beginning and 210.8MB in the end (delta: -71.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 306.92ms. Allocated memory is still 241.2MB. Free memory was 210.8MB in the beginning and 197.2MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 276.83ms. Allocated memory is still 241.2MB. Free memory was 197.2MB in the beginning and 175.1MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-17 19:39:25,686 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