./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/egcd-ll.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll.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/nla-digbench/egcd-ll.c ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll.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 20:10:02,506 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:10:02,571 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:10:02,575 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:10:02,577 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:10:02,602 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:10:02,603 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:10:02,604 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:10:02,604 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:10:02,605 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:10:02,605 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:10:02,606 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:10:02,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:10:02,608 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:10:02,610 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:10:02,610 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:10:02,611 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:10:02,611 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:10:02,611 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:10:02,611 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:10:02,611 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:10:02,613 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:10:02,613 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:10:02,613 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:10:02,614 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:10:02,614 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:10:02,614 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:10:02,614 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:10:02,615 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:10:02,615 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:10:02,615 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:10:02,616 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:10:02,616 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:10:02,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:02,617 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:10:02,617 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:10:02,617 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:10:02,617 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:10:02,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:10:02,618 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:10:02,618 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:10:02,618 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:10:02,619 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:10:02,619 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:10:02,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:10:02,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:10:02,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:10:02,886 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:10:02,886 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:10:02,887 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll.yml/witness-2.1.yml [2024-09-20 20:10:02,955 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:10:02,955 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:10:02,955 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/egcd-ll.c [2024-09-20 20:10:04,230 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:10:04,382 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:10:04,382 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/egcd-ll.c [2024-09-20 20:10:04,389 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/415caf720/7ee268c7143448d38a023b716944d8ac/FLAG89921f0b1 [2024-09-20 20:10:04,786 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/415caf720/7ee268c7143448d38a023b716944d8ac [2024-09-20 20:10:04,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:10:04,787 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:10:04,789 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:04,789 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:10:04,792 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:10:04,793 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 08:10:02" (1/2) ... [2024-09-20 20:10:04,794 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e92588b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:04, skipping insertion in model container [2024-09-20 20:10:04,794 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 08:10:02" (1/2) ... [2024-09-20 20:10:04,795 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2aa33e1e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:04, skipping insertion in model container [2024-09-20 20:10:04,795 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:04" (2/2) ... [2024-09-20 20:10:04,796 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e92588b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:04, skipping insertion in model container [2024-09-20 20:10:04,796 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:04" (2/2) ... [2024-09-20 20:10:04,804 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:10:04,804 INFO L1541 ArrayList]: Loop invariant at [L33-L50] (((((((__int128) q * x) + a) + ((__int128) y * s)) == ((((__int128) y * r) + b) + ((__int128) p * x))) && (a == (((__int128) y * r) + ((__int128) p * x)))) && (((__int128) p * s) == (((__int128) q * r) + 1))) [2024-09-20 20:10:04,805 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:10:04,824 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:10:04,969 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/nla-digbench/egcd-ll.c[489,502] [2024-09-20 20:10:04,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:05,009 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 20:10:05,039 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/nla-digbench/egcd-ll.c[489,502] Start Parsing Local [2024-09-20 20:10:05,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:05,068 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:10:05,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:05 WrapperNode [2024-09-20 20:10:05,068 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:05,069 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:10:05,069 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:10:05,069 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:10:05,080 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:05" (1/1) ... [2024-09-20 20:10:05,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:05" (1/1) ... [2024-09-20 20:10:05,090 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:05" (1/1) ... [2024-09-20 20:10:05,101 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 20:10:05,105 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:05" (1/1) ... [2024-09-20 20:10:05,105 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:05" (1/1) ... [2024-09-20 20:10:05,109 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:05" (1/1) ... [2024-09-20 20:10:05,112 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:05" (1/1) ... [2024-09-20 20:10:05,113 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:05" (1/1) ... [2024-09-20 20:10:05,114 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:05" (1/1) ... [2024-09-20 20:10:05,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:10:05,120 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:10:05,120 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:10:05,120 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:10:05,121 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:05" (1/1) ... [2024-09-20 20:10:05,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:05,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:10:05,159 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 20:10:05,188 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 20:10:05,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:10:05,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:10:05,281 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:10:05,281 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:10:05,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:10:05,282 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:10:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:10:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:10:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:10:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:10:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 20:10:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:10:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:10:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:10:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:10:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:10:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:10:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:10:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:10:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:10:05,343 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:10:05,345 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:10:05,490 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:05,503 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:10:05,525 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:10:05,526 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:10:05,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:05 BoogieIcfgContainer [2024-09-20 20:10:05,526 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:10:05,527 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:10:05,527 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:10:05,528 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:10:05,528 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 08:10:02" (1/4) ... [2024-09-20 20:10:05,528 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6fc8535b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:10:05, skipping insertion in model container [2024-09-20 20:10:05,529 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:10:04" (2/4) ... [2024-09-20 20:10:05,529 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6fc8535b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:10:05, skipping insertion in model container [2024-09-20 20:10:05,529 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:05" (3/4) ... [2024-09-20 20:10:05,529 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6fc8535b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:10:05, skipping insertion in model container [2024-09-20 20:10:05,529 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:05" (4/4) ... [2024-09-20 20:10:05,531 INFO L79 RefereeObserver]: Analyzing ICFG egcd-ll.c [2024-09-20 20:10:05,538 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:10:05,539 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:10:05,540 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-20 20:10:05,540 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-20 20:10:05,540 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-20 20:10:05,540 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-20 20:10:05,540 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:05,541 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-20 20:10:05,541 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-20 20:10:05,541 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 20:10:05,542 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 20:10:05,542 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:10:05,542 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 7 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-20 20:10:05,593 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:10:05,594 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:05,595 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:05,595 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:05,596 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:05,598 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:05,620 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:10:05,624 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:05,624 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:05,624 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:05,625 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:05,625 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:05,640 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:05,667 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-20 20:10:05,668 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:05,668 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:05,668 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:05,668 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:05,668 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:05,701 INFO L101 BaseMinimizeStates]: Removed 28 edges and 9 locations by large block encoding [2024-09-20 20:10:05,702 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:05,702 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:05,702 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:05,702 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:05,709 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:05,713 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:05,732 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 20:10:05,732 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:05,732 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:05,732 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:05,732 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:05,732 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:05,746 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-20 20:10:05,746 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:05,747 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:05,747 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:05,747 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:05,753 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:05,759 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:05,770 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:10:05,771 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:05,771 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:05,771 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:05,771 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:05,771 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:05,777 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:10:05,777 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:05,778 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:05,778 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:05,778 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:05,778 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:05,782 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:05,791 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-20 20:10:05,791 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:05,792 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:05,792 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:05,792 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:05,792 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:05,807 INFO L101 BaseMinimizeStates]: Removed 16 edges and 7 locations by large block encoding [2024-09-20 20:10:05,807 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:05,808 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:05,808 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:05,809 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:05,815 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:09,825 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:10:09,832 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:09,832 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:09,832 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:09,833 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:09,833 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:09,833 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:09,835 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:09,835 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:09,835 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:09,835 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:09,836 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:09,836 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:09,838 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:09,845 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-20 20:10:09,845 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:09,845 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:09,845 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:09,846 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:09,846 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:09,852 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-20 20:10:09,852 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:09,853 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:09,853 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:09,853 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:09,854 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:09,856 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:09,863 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-20 20:10:09,863 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:09,863 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:09,864 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:09,864 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:09,864 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:09,875 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-20 20:10:09,877 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:09,877 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:09,877 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:09,879 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:09,881 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:09,884 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:09,894 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:10:09,894 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:09,894 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:09,895 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:09,895 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:09,895 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:09,899 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:10:09,899 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:09,899 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:09,900 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:09,900 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:09,901 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:09,902 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:09,912 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:09,912 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:09,912 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:09,912 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:09,912 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:09,912 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:09,914 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:09,915 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:09,915 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:09,915 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:09,915 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:09,915 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:09,917 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:10:09,927 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:10:09,928 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:09,929 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:09,929 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:09,929 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:09,929 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:09,937 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:10:09,937 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:09,937 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:09,938 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:09,938 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:09,938 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:09,940 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:09,943 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 20:10:09,943 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6fc8535b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:10:09, skipping insertion in model container [2024-09-20 20:10:09,944 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:10:09,946 INFO L158 Benchmark]: Toolchain (without parser) took 5157.32ms. Allocated memory is still 182.5MB. Free memory was 112.5MB in the beginning and 75.3MB in the end (delta: 37.2MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2024-09-20 20:10:09,946 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 182.5MB. Free memory is still 140.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:09,947 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 182.5MB. Free memory is still 156.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:09,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.96ms. Allocated memory is still 182.5MB. Free memory was 112.3MB in the beginning and 98.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:10:09,948 INFO L158 Benchmark]: Boogie Preprocessor took 50.08ms. Allocated memory is still 182.5MB. Free memory was 98.7MB in the beginning and 96.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:10:09,949 INFO L158 Benchmark]: RCFGBuilder took 406.57ms. Allocated memory is still 182.5MB. Free memory was 96.6MB in the beginning and 141.4MB in the end (delta: -44.9MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2024-09-20 20:10:09,949 INFO L158 Benchmark]: Referee took 4416.83ms. Allocated memory is still 182.5MB. Free memory was 141.4MB in the beginning and 75.3MB in the end (delta: 66.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-09-20 20:10:09,952 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 33 to loop head at line 33. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 54. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 33. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 53. 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 33. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 34. 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 12. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 52. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.17ms. Allocated memory is still 182.5MB. Free memory is still 140.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 182.5MB. Free memory is still 156.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.96ms. Allocated memory is still 182.5MB. Free memory was 112.3MB in the beginning and 98.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.08ms. Allocated memory is still 182.5MB. Free memory was 98.7MB in the beginning and 96.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 406.57ms. Allocated memory is still 182.5MB. Free memory was 96.6MB in the beginning and 141.4MB in the end (delta: -44.9MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Referee took 4416.83ms. Allocated memory is still 182.5MB. Free memory was 141.4MB in the beginning and 75.3MB in the end (delta: 66.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:10:09,971 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench/egcd-ll.c ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:10:12,235 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:10:12,302 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 20:10:12,306 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:10:12,306 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:10:12,326 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:10:12,327 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:10:12,327 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:10:12,328 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:10:12,328 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:10:12,328 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:10:12,328 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:10:12,329 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:10:12,329 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:10:12,329 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:10:12,330 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:10:12,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:10:12,331 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:10:12,331 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:10:12,331 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:10:12,332 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:10:12,334 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:10:12,334 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:10:12,335 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 20:10:12,335 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 20:10:12,335 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:10:12,336 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 20:10:12,336 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:10:12,336 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:10:12,337 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:10:12,337 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:10:12,337 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:10:12,338 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:10:12,338 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:10:12,338 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:10:12,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:12,339 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:10:12,339 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:10:12,340 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:10:12,340 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 20:10:12,340 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 20:10:12,341 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:10:12,341 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:10:12,341 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:10:12,342 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:10:12,342 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 20:10:12,342 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:10:12,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:10:12,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:10:12,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:10:12,663 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:10:12,666 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:10:12,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/egcd-ll.c [2024-09-20 20:10:14,153 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:10:14,319 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:10:14,320 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/egcd-ll.c [2024-09-20 20:10:14,326 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d8bce1fab/154252adff284643804af8bc3bef3649/FLAG1e7257b20 [2024-09-20 20:10:14,337 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d8bce1fab/154252adff284643804af8bc3bef3649 [2024-09-20 20:10:14,340 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:10:14,340 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:10:14,341 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll.yml/witness-2.1.yml [2024-09-20 20:10:14,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:10:14,396 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:10:14,398 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:14,399 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:10:14,402 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:10:14,406 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:14" (1/2) ... [2024-09-20 20:10:14,407 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@766032e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:14, skipping insertion in model container [2024-09-20 20:10:14,407 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:14" (1/2) ... [2024-09-20 20:10:14,409 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@327b0f62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:14, skipping insertion in model container [2024-09-20 20:10:14,409 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 08:10:14" (2/2) ... [2024-09-20 20:10:14,409 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@766032e7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:14, skipping insertion in model container [2024-09-20 20:10:14,409 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 08:10:14" (2/2) ... [2024-09-20 20:10:14,417 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:10:14,418 INFO L1541 ArrayList]: Loop invariant at [L33-L50] (((((((__int128) q * x) + a) + ((__int128) y * s)) == ((((__int128) y * r) + b) + ((__int128) p * x))) && (a == (((__int128) y * r) + ((__int128) p * x)))) && (((__int128) p * s) == (((__int128) q * r) + 1))) [2024-09-20 20:10:14,418 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:10:14,445 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:10:14,582 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/nla-digbench/egcd-ll.c[489,502] [2024-09-20 20:10:14,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:14,620 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 20:10:14,652 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/nla-digbench/egcd-ll.c[489,502] Start Parsing Local [2024-09-20 20:10:14,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:14,686 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:10:14,687 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:14 WrapperNode [2024-09-20 20:10:14,687 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:14,689 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:10:14,690 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:10:14,690 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:10:14,700 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 08:10:14" (1/1) ... [2024-09-20 20:10:14,701 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 08:10:14" (1/1) ... [2024-09-20 20:10:14,709 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 08:10:14" (1/1) ... [2024-09-20 20:10:14,721 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 20:10:14,721 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 08:10:14" (1/1) ... [2024-09-20 20:10:14,721 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 08:10:14" (1/1) ... [2024-09-20 20:10:14,728 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 08:10:14" (1/1) ... [2024-09-20 20:10:14,731 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 08:10:14" (1/1) ... [2024-09-20 20:10:14,733 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 08:10:14" (1/1) ... [2024-09-20 20:10:14,737 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 08:10:14" (1/1) ... [2024-09-20 20:10:14,739 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:10:14,740 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:10:14,740 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:10:14,741 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:10:14,741 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 08:10:14" (1/1) ... [2024-09-20 20:10:14,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:14,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:10:14,769 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 20:10:14,775 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 20:10:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:10:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:10:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:10:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:10:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:10:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:10:14,812 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:10:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:10:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:10:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:10:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 20:10:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:10:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:10:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:10:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:10:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 20:10:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:10:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 20:10:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 20:10:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:10:14,880 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:10:14,882 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:10:23,408 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:23,502 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:10:23,521 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:10:23,521 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:10:23,522 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:23 BoogieIcfgContainer [2024-09-20 20:10:23,522 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:10:23,523 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:10:23,523 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:10:23,524 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:10:23,524 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:10:14" (1/4) ... [2024-09-20 20:10:23,524 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@637ced18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:10:23, skipping insertion in model container [2024-09-20 20:10:23,525 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 08:10:14" (2/4) ... [2024-09-20 20:10:23,525 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@637ced18 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:10:23, skipping insertion in model container [2024-09-20 20:10:23,525 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 08:10:14" (3/4) ... [2024-09-20 20:10:23,525 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@637ced18 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:10:23, skipping insertion in model container [2024-09-20 20:10:23,525 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 08:10:23" (4/4) ... [2024-09-20 20:10:23,527 INFO L79 RefereeObserver]: Analyzing ICFG egcd-ll.c [2024-09-20 20:10:23,530 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:10:23,531 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:10:23,531 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-20 20:10:23,531 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-20 20:10:23,532 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-20 20:10:23,532 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-20 20:10:23,532 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:23,532 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-20 20:10:23,532 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-20 20:10:23,532 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 20:10:23,532 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 20:10:23,533 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:10:23,533 INFO L131 InvariantChecker]: Will check 7 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-20 20:10:23,586 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:10:23,587 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:23,587 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:23,588 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:23,589 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:23,591 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:23,610 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:10:23,611 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:23,612 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:23,612 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:23,612 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:23,612 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:27,889 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:10:28,007 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-20 20:10:28,008 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:28,008 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:28,008 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:28,008 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:28,008 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:28,069 INFO L101 BaseMinimizeStates]: Removed 28 edges and 9 locations by large block encoding [2024-09-20 20:10:28,069 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:28,069 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:28,070 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:28,070 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:28,079 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:32,345 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:10:32,457 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 20:10:32,457 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:32,458 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:32,458 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:32,458 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:32,458 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:32,484 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-20 20:10:32,484 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:32,484 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:32,485 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:32,485 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:32,488 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:36,750 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:10:36,838 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:10:36,838 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:36,838 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:36,838 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:36,839 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:36,839 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:36,843 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:10:36,843 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:36,843 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:36,843 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:36,843 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:36,843 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:36,977 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:36,989 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-20 20:10:36,989 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:36,990 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:36,990 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:36,990 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:36,990 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,010 INFO L101 BaseMinimizeStates]: Removed 16 edges and 7 locations by large block encoding [2024-09-20 20:10:37,010 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,010 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:37,010 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:37,011 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:37,016 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:42,024 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:10:42,304 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:42,305 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:42,305 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:42,305 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:42,305 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:42,305 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:42,308 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:42,308 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:42,308 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:42,308 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:42,308 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:42,309 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:46,551 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:10:46,661 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-20 20:10:46,661 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:46,661 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:46,662 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:46,662 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:46,662 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:46,681 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-20 20:10:46,682 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:46,682 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:46,682 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:46,682 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:46,684 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:46,691 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:46,700 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-20 20:10:46,701 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:46,701 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:46,701 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:46,703 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:46,703 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:46,718 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-20 20:10:46,719 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:46,719 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:46,719 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:46,719 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:46,723 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:51,009 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:10:51,123 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:10:51,123 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:51,123 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:51,124 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:51,124 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:51,124 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:51,125 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:10:51,125 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:51,125 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:51,125 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:51,126 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:51,126 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:51,127 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:51,133 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:51,133 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:51,133 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:51,134 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:51,134 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:51,134 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:51,135 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:51,135 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:51,135 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:51,135 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:51,135 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:51,135 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:51,136 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:10:51,143 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:10:51,143 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:51,143 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:51,143 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:51,143 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:51,144 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:51,149 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:10:51,149 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:51,150 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:51,150 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:51,150 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:51,150 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:55,435 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:10:55,531 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 20:10:55,532 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@637ced18 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:10:55, skipping insertion in model container [2024-09-20 20:10:55,532 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:10:55,533 INFO L158 Benchmark]: Toolchain (without parser) took 41136.11ms. Allocated memory is still 115.3MB. Free memory was 93.8MB in the beginning and 58.0MB in the end (delta: 35.8MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2024-09-20 20:10:55,533 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 75.5MB. Free memory is still 44.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:55,533 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 75.5MB. Free memory is still 36.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:55,533 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.29ms. Allocated memory is still 115.3MB. Free memory was 93.6MB in the beginning and 79.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:10:55,534 INFO L158 Benchmark]: Boogie Preprocessor took 50.39ms. Allocated memory is still 115.3MB. Free memory was 79.1MB in the beginning and 77.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:10:55,534 INFO L158 Benchmark]: RCFGBuilder took 8781.91ms. Allocated memory is still 115.3MB. Free memory was 76.8MB in the beginning and 90.8MB in the end (delta: -14.0MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2024-09-20 20:10:55,534 INFO L158 Benchmark]: Referee took 32008.91ms. Allocated memory is still 115.3MB. Free memory was 90.8MB in the beginning and 58.0MB in the end (delta: 32.8MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2024-09-20 20:10:55,536 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 35. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 53. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 34. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 52. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 33 to loop head at line 33. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 54. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 33. 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 12. 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 33 to check that procedure precondition always holds at line 33. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 75.5MB. Free memory is still 44.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.08ms. Allocated memory is still 75.5MB. Free memory is still 36.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.29ms. Allocated memory is still 115.3MB. Free memory was 93.6MB in the beginning and 79.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.39ms. Allocated memory is still 115.3MB. Free memory was 79.1MB in the beginning and 77.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 8781.91ms. Allocated memory is still 115.3MB. Free memory was 76.8MB in the beginning and 90.8MB in the end (delta: -14.0MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * Referee took 32008.91ms. Allocated memory is still 115.3MB. Free memory was 90.8MB in the beginning and 58.0MB in the end (delta: 32.8MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:10:55,745 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN