./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-lit/bhmr2007.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/bhmr2007.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/loop-lit/bhmr2007.i ../results/automizer-verification-files/SV-COMP24_unreach-call/bhmr2007.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 20:09:06,412 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:09:06,479 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:09:06,482 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:09:06,482 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:09:06,501 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:09:06,501 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:09:06,502 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:09:06,502 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:09:06,503 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:09:06,503 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:09:06,503 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:09:06,504 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:09:06,504 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:09:06,504 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:09:06,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:09:06,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:09:06,505 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:09:06,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:09:06,506 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:09:06,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:09:06,508 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:09:06,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:09:06,508 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:09:06,509 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:09:06,509 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:09:06,509 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:09:06,509 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:09:06,510 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:09:06,510 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:09:06,510 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:09:06,511 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:09:06,511 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:09:06,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:09:06,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:09:06,512 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:09:06,513 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:09:06,513 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:09:06,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:09:06,513 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:09:06,514 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:09:06,517 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:09:06,517 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:09:06,517 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:09:06,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:09:06,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:09:06,822 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:09:06,823 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:09:06,825 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:09:06,826 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/bhmr2007.yml/witness-2.1.yml [2024-09-20 20:09:06,874 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:09:06,875 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:09:06,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/bhmr2007.i [2024-09-20 20:09:08,318 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:09:08,533 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:09:08,534 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/bhmr2007.i [2024-09-20 20:09:08,543 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/1b9af53ad/b4be67efc63e4877be30af9a975b8fb0/FLAG5d2959c14 [2024-09-20 20:09:08,556 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/1b9af53ad/b4be67efc63e4877be30af9a975b8fb0 [2024-09-20 20:09:08,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:09:08,558 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:09:08,560 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:09:08,560 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:09:08,565 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:09:08,565 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 08:09:06" (1/2) ... [2024-09-20 20:09:08,566 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a3a3895 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:09:08, skipping insertion in model container [2024-09-20 20:09:08,566 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 08:09:06" (1/2) ... [2024-09-20 20:09:08,568 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@16503d4c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:09:08, skipping insertion in model container [2024-09-20 20:09:08,568 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:09:08" (2/2) ... [2024-09-20 20:09:08,569 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a3a3895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:08, skipping insertion in model container [2024-09-20 20:09:08,569 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:09:08" (2/2) ... [2024-09-20 20:09:08,580 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:09:08,580 INFO L1541 ArrayList]: Loop invariant at [L28-L37] ((((long long) b + a) <= ((long long) n * 3)) && (((long long) b + a) == ((long long) i * 3))) [2024-09-20 20:09:08,581 INFO L1541 ArrayList]: Function contract at [L17]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-20 20:09:08,599 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:09:08,757 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/loop-lit/bhmr2007.i[895,908] [2024-09-20 20:09:08,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:09:08,786 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 20:09:08,828 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/loop-lit/bhmr2007.i[895,908] Start Parsing Local [2024-09-20 20:09:08,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:09:08,856 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:09:08,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:08 WrapperNode [2024-09-20 20:09:08,857 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:09:08,859 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:09:08,860 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:09:08,860 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:09:08,873 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:08" (1/1) ... [2024-09-20 20:09:08,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:08" (1/1) ... [2024-09-20 20:09:08,881 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:08" (1/1) ... [2024-09-20 20:09:08,893 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 [2024-09-20 20:09:08,894 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:08" (1/1) ... [2024-09-20 20:09:08,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:08" (1/1) ... [2024-09-20 20:09:08,899 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:08" (1/1) ... [2024-09-20 20:09:08,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:08" (1/1) ... [2024-09-20 20:09:08,905 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:08" (1/1) ... [2024-09-20 20:09:08,907 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:08" (1/1) ... [2024-09-20 20:09:08,908 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:09:08,913 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:09:08,913 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:09:08,913 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:09:08,914 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:08" (1/1) ... [2024-09-20 20:09:08,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:09:08,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:09:08,949 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 20:09:08,952 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 20:09:08,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:09:08,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:09:08,999 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:09:08,999 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:09:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:09:09,001 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:09:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:09:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:09:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-20 20:09:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-20 20:09:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:09:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:09:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:09:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:09:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 20:09:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:09:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:09:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:09:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:09:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:09:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:09:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:09:09,093 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:09:09,095 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:09:09,239 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:09:09,253 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:09:09,274 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:09:09,275 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:09:09,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:09:09 BoogieIcfgContainer [2024-09-20 20:09:09,276 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:09:09,277 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:09:09,277 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:09:09,278 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:09:09,278 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 08:09:06" (1/4) ... [2024-09-20 20:09:09,279 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@49a4f12f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:09:09, skipping insertion in model container [2024-09-20 20:09:09,281 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:09:08" (2/4) ... [2024-09-20 20:09:09,281 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@49a4f12f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:09:09, skipping insertion in model container [2024-09-20 20:09:09,281 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:08" (3/4) ... [2024-09-20 20:09:09,282 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@49a4f12f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:09:09, skipping insertion in model container [2024-09-20 20:09:09,282 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:09:09" (4/4) ... [2024-09-20 20:09:09,283 INFO L79 RefereeObserver]: Analyzing ICFG bhmr2007.i [2024-09-20 20:09:09,287 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:09:09,288 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:09:09,288 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-20 20:09:09,288 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-20 20:09:09,288 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:09:09,288 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:09:09,288 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-20 20:09:09,332 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:09:09,333 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:09,333 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:09,334 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:09,336 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:09,338 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:09,354 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:09:09,355 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:09,355 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:09,355 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:09,356 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:09,362 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:09,382 INFO L520 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:09:09,403 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:09:09,403 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:09,403 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:09,403 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:09,403 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:09,403 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:09,412 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:09:09,412 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:09,415 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:09,415 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:09,415 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:09,415 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:09,420 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:09:09,439 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-20 20:09:09,439 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:09,439 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:09,439 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:09,439 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:09,440 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:09,477 INFO L101 BaseMinimizeStates]: Removed 11 edges and 4 locations by large block encoding [2024-09-20 20:09:09,477 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:09,478 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:09,478 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:09,478 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:09,485 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:09,491 INFO L520 InvariantChecker]: The annotation(s) from loop head L28-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:09:09,501 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:09:09,504 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:09,504 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:09,504 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:09,504 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:09,504 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:09,507 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:09:09,509 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:09,510 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:09,510 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:09,510 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:09,511 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:09,512 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:09:09,521 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:09:09,521 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:09,521 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:09,521 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:09,522 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:09,522 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:09,524 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:09:09,524 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:09,524 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:09,525 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:09,525 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:09,525 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:09,528 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:09:09,531 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 20:09:09,534 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@49a4f12f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:09:09, skipping insertion in model container [2024-09-20 20:09:09,534 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:09:09,536 INFO L158 Benchmark]: Toolchain (without parser) took 977.03ms. Allocated memory is still 169.9MB. Free memory was 116.6MB in the beginning and 117.6MB in the end (delta: -1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:09:09,536 INFO L158 Benchmark]: Witness Parser took 0.22ms. Allocated memory is still 96.5MB. Free memory was 59.2MB in the beginning and 59.2MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:09:09,537 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 96.5MB. Free memory is still 57.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:09:09,537 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.54ms. Allocated memory is still 169.9MB. Free memory was 116.6MB in the beginning and 103.1MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:09:09,538 INFO L158 Benchmark]: Boogie Preprocessor took 52.34ms. Allocated memory is still 169.9MB. Free memory was 103.1MB in the beginning and 101.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:09:09,539 INFO L158 Benchmark]: RCFGBuilder took 363.72ms. Allocated memory is still 169.9MB. Free memory was 101.0MB in the beginning and 133.3MB in the end (delta: -32.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-20 20:09:09,540 INFO L158 Benchmark]: Referee took 257.39ms. Allocated memory is still 169.9MB. Free memory was 133.3MB in the beginning and 117.6MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:09:09,542 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 19. 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 loop head at line 28 to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from loop head at line 28 to loop head at line 28. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 28. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.22ms. Allocated memory is still 96.5MB. Free memory was 59.2MB in the beginning and 59.2MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.21ms. Allocated memory is still 96.5MB. Free memory is still 57.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.54ms. Allocated memory is still 169.9MB. Free memory was 116.6MB in the beginning and 103.1MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.34ms. Allocated memory is still 169.9MB. Free memory was 103.1MB in the beginning and 101.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 363.72ms. Allocated memory is still 169.9MB. Free memory was 101.0MB in the beginning and 133.3MB in the end (delta: -32.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 257.39ms. Allocated memory is still 169.9MB. Free memory was 133.3MB in the beginning and 117.6MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 20:09:09,575 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE