./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll_valuebound20.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 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-scaling/egcd-ll_valuebound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll_valuebound20.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-dev-a9b967e-m [2024-09-11 20:49:08,544 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:49:08,611 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:49:08,617 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:49:08,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:49:08,642 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:49:08,643 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:49:08,643 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:49:08,644 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:49:08,644 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:49:08,644 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:49:08,645 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:49:08,645 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:49:08,646 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:49:08,646 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:49:08,646 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:49:08,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:49:08,647 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:49:08,648 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:49:08,648 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:49:08,648 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:49:08,649 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:49:08,650 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:49:08,650 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:49:08,650 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:49:08,651 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:49:08,651 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:49:08,651 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:49:08,652 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:49:08,652 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:49:08,652 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:49:08,652 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:49:08,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:08,653 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:49:08,654 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:49:08,654 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:49:08,654 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:49:08,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:49:08,655 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:49:08,655 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:49:08,655 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:49:08,657 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:49:08,658 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:49:08,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:49:08,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:49:08,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:49:08,945 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:49:08,945 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:49:08,947 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c [2024-09-11 20:49:10,300 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:49:10,484 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:49:10,485 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c [2024-09-11 20:49:10,492 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/554e9f3eb/ef8349f1afe54256998dd3fa7bee2bb7/FLAG49dbadbd0 [2024-09-11 20:49:10,872 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/554e9f3eb/ef8349f1afe54256998dd3fa7bee2bb7 [2024-09-11 20:49:10,874 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:49:10,875 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:49:10,875 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll_valuebound20.yml/witness-2.1.yml [2024-09-11 20:49:10,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:49:10,927 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:49:10,928 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:10,928 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:49:10,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:49:10,934 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:10" (1/2) ... [2024-09-11 20:49:10,936 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6754f3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:10, skipping insertion in model container [2024-09-11 20:49:10,937 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:10" (1/2) ... [2024-09-11 20:49:10,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1d11218c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:10, skipping insertion in model container [2024-09-11 20:49:10,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:49:10" (2/2) ... [2024-09-11 20:49:10,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6754f3b1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:10, skipping insertion in model container [2024-09-11 20:49:10,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:49:10" (2/2) ... [2024-09-11 20:49:10,949 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:49:10,950 INFO L1541 ArrayList]: Loop invariant at [L35-L52] (((((__int128) p * s) == (((__int128) q * r) + 1)) && (((((__int128) r * y) + b) + ((__int128) p * x)) == ((a + ((__int128) s * y)) + ((__int128) q * x)))) && ((((__int128) r * y) + ((__int128) p * x)) == a)) [2024-09-11 20:49:10,950 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:49:10,970 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:49:11,136 WARN L247 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-scaling/egcd-ll_valuebound20.c[489,502] [2024-09-11 20:49:11,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:11,164 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:49:11,194 WARN L247 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-scaling/egcd-ll_valuebound20.c[489,502] Start Parsing Local [2024-09-11 20:49:11,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:11,227 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:49:11,227 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:11 WrapperNode [2024-09-11 20:49:11,227 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:11,228 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:49:11,228 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:49:11,228 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:49:11,241 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 11.09 08:49:11" (1/1) ... [2024-09-11 20:49:11,242 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 11.09 08:49:11" (1/1) ... [2024-09-11 20:49:11,248 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 11.09 08:49:11" (1/1) ... [2024-09-11 20:49:11,258 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 [2024-09-11 20:49:11,258 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 11.09 08:49:11" (1/1) ... [2024-09-11 20:49:11,259 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 11.09 08:49:11" (1/1) ... [2024-09-11 20:49:11,263 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 11.09 08:49:11" (1/1) ... [2024-09-11 20:49:11,266 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 11.09 08:49:11" (1/1) ... [2024-09-11 20:49:11,268 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 11.09 08:49:11" (1/1) ... [2024-09-11 20:49:11,268 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 11.09 08:49:11" (1/1) ... [2024-09-11 20:49:11,272 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:49:11,273 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:49:11,273 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:49:11,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:49:11,275 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 11.09 08:49:11" (1/1) ... [2024-09-11 20:49:11,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:11,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:49:11,305 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) [2024-09-11 20:49:11,309 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 [2024-09-11 20:49:11,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:49:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:49:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:49:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:49:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:49:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:49:11,363 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:49:11,363 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:49:11,363 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:49:11,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:49:11,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:49:11,363 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:49:11,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:49:11,364 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:49:11,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:49:11,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:49:11,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:49:11,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:49:11,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:49:11,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:49:11,433 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:49:11,435 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:49:11,670 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:49:11,723 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-09-11 20:49:11,723 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:49:11,745 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:49:11,745 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:49:11,746 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:11 BoogieIcfgContainer [2024-09-11 20:49:11,746 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:49:11,747 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:49:11,747 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:49:11,747 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:49:11,748 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:49:10" (1/4) ... [2024-09-11 20:49:11,748 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7627f20e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:11, skipping insertion in model container [2024-09-11 20:49:11,748 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:49:10" (2/4) ... [2024-09-11 20:49:11,749 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7627f20e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:11, skipping insertion in model container [2024-09-11 20:49:11,749 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 11.09 08:49:11" (3/4) ... [2024-09-11 20:49:11,749 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7627f20e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:11, skipping insertion in model container [2024-09-11 20:49:11,749 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:11" (4/4) ... [2024-09-11 20:49:11,750 INFO L79 RefereeObserver]: Analyzing ICFG egcd-ll_valuebound20.c [2024-09-11 20:49:11,754 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:49:11,757 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:49:11,757 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-11 20:49:11,757 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-11 20:49:11,757 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:11,757 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-11 20:49:11,757 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-11 20:49:11,758 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:49:11,758 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:11,758 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:49:11,758 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-11 20:49:11,758 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:49:11,758 INFO L130 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 [2024-09-11 20:49:11,807 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:49:11,810 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:11,810 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:11,811 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:11,812 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:11,814 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:11,844 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:49:11,846 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:11,846 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:11,846 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:11,846 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:11,847 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:11,872 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:11,910 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-11 20:49:11,911 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:11,911 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:11,911 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:11,911 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:11,911 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:11,957 INFO L101 BaseMinimizeStates]: Removed 28 edges and 9 locations by large block encoding [2024-09-11 20:49:11,957 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:11,958 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:11,958 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:11,958 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:11,965 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:11,968 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:11,989 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:49:11,990 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:11,991 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:11,991 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:11,991 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:11,991 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:12,008 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-11 20:49:12,008 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:12,009 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:12,009 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:12,009 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:12,013 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:12,019 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:12,035 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:12,036 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:12,036 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:12,036 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:12,036 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:12,036 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:12,041 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:12,042 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:12,042 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:12,042 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:12,042 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:12,042 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:12,044 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:12,063 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-11 20:49:12,064 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:12,064 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:12,064 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:12,065 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:12,065 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:12,076 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-11 20:49:12,077 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:12,077 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:12,077 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:12,078 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:12,082 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:12,086 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:12,099 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:49:12,099 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:12,100 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:12,100 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:12,100 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:12,100 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:12,123 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-11 20:49:12,124 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:12,124 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:12,124 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:12,124 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:12,127 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:12,129 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:12,140 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:49:12,141 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:12,141 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:12,142 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:12,142 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:12,142 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:12,145 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:49:12,145 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:12,145 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:12,146 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:12,146 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:12,147 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:12,151 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:12,161 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:12,162 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:12,162 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:12,162 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:12,162 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:12,163 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:12,164 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:12,166 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:12,166 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:12,166 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:12,166 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:12,166 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:12,168 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:49:12,178 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:49:12,178 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:12,178 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:12,179 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:12,179 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:12,179 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:12,189 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:49:12,190 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:12,190 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:12,190 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:12,190 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:12,190 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:12,191 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:12,208 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-11 20:49:12,208 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:12,208 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:12,209 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:12,209 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:12,209 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:12,237 INFO L101 BaseMinimizeStates]: Removed 16 edges and 7 locations by large block encoding [2024-09-11 20:49:12,238 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:12,238 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:12,238 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:12,238 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:12,244 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:12,247 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:12,258 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:12,258 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:12,259 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:12,259 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:12,259 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:12,259 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:12,265 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:12,266 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:12,266 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:12,266 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:12,266 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:12,267 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:12,271 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:12,274 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:49:12,275 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7627f20e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:49:12, skipping insertion in model container [2024-09-11 20:49:12,275 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:49:12,279 INFO L158 Benchmark]: Toolchain (without parser) took 1351.35ms. Allocated memory is still 176.2MB. Free memory was 106.4MB in the beginning and 73.9MB in the end (delta: 32.5MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2024-09-11 20:49:12,280 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 176.2MB. Free memory was 134.8MB in the beginning and 134.7MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:12,280 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 176.2MB. Free memory is still 108.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:12,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.34ms. Allocated memory is still 176.2MB. Free memory was 106.2MB in the beginning and 92.4MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:49:12,281 INFO L158 Benchmark]: Boogie Preprocessor took 44.37ms. Allocated memory is still 176.2MB. Free memory was 92.4MB in the beginning and 90.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:49:12,282 INFO L158 Benchmark]: RCFGBuilder took 472.69ms. Allocated memory is still 176.2MB. Free memory was 90.3MB in the beginning and 142.6MB in the end (delta: -52.3MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-09-11 20:49:12,283 INFO L158 Benchmark]: Referee took 528.41ms. Allocated memory is still 176.2MB. Free memory was 142.6MB in the beginning and 73.9MB in the end (delta: 68.6MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2024-09-11 20:49:12,286 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 54. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 55. 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 35 to check that procedure precondition always holds at line 56. 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 35 to loop head at line 35. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 176.2MB. Free memory was 134.8MB in the beginning and 134.7MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 176.2MB. Free memory is still 108.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.34ms. Allocated memory is still 176.2MB. Free memory was 106.2MB in the beginning and 92.4MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.37ms. Allocated memory is still 176.2MB. Free memory was 92.4MB in the beginning and 90.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 472.69ms. Allocated memory is still 176.2MB. Free memory was 90.3MB in the beginning and 142.6MB in the end (delta: -52.3MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * Referee took 528.41ms. Allocated memory is still 176.2MB. Free memory was 142.6MB in the beginning and 73.9MB in the end (delta: 68.6MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:49:12,319 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 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-scaling/egcd-ll_valuebound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll_valuebound20.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-dev-a9b967e-m [2024-09-11 20:49:14,522 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:49:14,604 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:49:14,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:49:14,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:49:14,647 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:49:14,647 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:49:14,648 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:49:14,648 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:49:14,652 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:49:14,652 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:49:14,653 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:49:14,653 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:49:14,656 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:49:14,657 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:49:14,657 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:49:14,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:49:14,657 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:49:14,657 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:49:14,658 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:49:14,658 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:49:14,658 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:49:14,659 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:49:14,659 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:49:14,660 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:49:14,660 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:49:14,661 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:49:14,661 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:49:14,661 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:49:14,661 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:49:14,662 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:49:14,662 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:49:14,662 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:49:14,663 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:49:14,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:14,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:49:14,664 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:49:14,664 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:49:14,665 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:49:14,665 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:49:14,665 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:49:14,665 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:49:14,666 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:49:14,666 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:49:14,666 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:49:14,666 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:49:14,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:49:14,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:49:14,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:49:14,999 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:49:14,999 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:49:15,001 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c [2024-09-11 20:49:16,506 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:49:16,690 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:49:16,691 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c [2024-09-11 20:49:16,698 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ebb8d4679/0c5f5fc5138c4f9ca93eb6c5971fc696/FLAG2bddab66a [2024-09-11 20:49:16,709 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ebb8d4679/0c5f5fc5138c4f9ca93eb6c5971fc696 [2024-09-11 20:49:16,711 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:49:16,712 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:49:16,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll_valuebound20.yml/witness-2.1.yml [2024-09-11 20:49:16,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:49:16,765 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:49:16,767 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:16,768 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:49:16,773 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:49:16,773 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:16" (1/2) ... [2024-09-11 20:49:16,774 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a8eb99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:16, skipping insertion in model container [2024-09-11 20:49:16,777 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:16" (1/2) ... [2024-09-11 20:49:16,779 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6934d6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:16, skipping insertion in model container [2024-09-11 20:49:16,779 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:49:16" (2/2) ... [2024-09-11 20:49:16,779 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a8eb99 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:16, skipping insertion in model container [2024-09-11 20:49:16,779 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:49:16" (2/2) ... [2024-09-11 20:49:16,789 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:49:16,790 INFO L1541 ArrayList]: Loop invariant at [L35-L52] (((((__int128) p * s) == (((__int128) q * r) + 1)) && (((((__int128) r * y) + b) + ((__int128) p * x)) == ((a + ((__int128) s * y)) + ((__int128) q * x)))) && ((((__int128) r * y) + ((__int128) p * x)) == a)) [2024-09-11 20:49:16,790 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:49:16,810 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:49:16,973 WARN L247 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-scaling/egcd-ll_valuebound20.c[489,502] [2024-09-11 20:49:17,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:17,021 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:49:17,058 WARN L247 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-scaling/egcd-ll_valuebound20.c[489,502] Start Parsing Local [2024-09-11 20:49:17,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:17,107 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:49:17,107 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:17 WrapperNode [2024-09-11 20:49:17,108 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:17,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:49:17,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:49:17,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:49:17,122 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 11.09 08:49:17" (1/1) ... [2024-09-11 20:49:17,123 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 11.09 08:49:17" (1/1) ... [2024-09-11 20:49:17,135 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 11.09 08:49:17" (1/1) ... [2024-09-11 20:49:17,153 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 [2024-09-11 20:49:17,153 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 11.09 08:49:17" (1/1) ... [2024-09-11 20:49:17,153 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 11.09 08:49:17" (1/1) ... [2024-09-11 20:49:17,165 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 11.09 08:49:17" (1/1) ... [2024-09-11 20:49:17,171 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 11.09 08:49:17" (1/1) ... [2024-09-11 20:49:17,173 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 11.09 08:49:17" (1/1) ... [2024-09-11 20:49:17,178 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 11.09 08:49:17" (1/1) ... [2024-09-11 20:49:17,180 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:49:17,181 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:49:17,183 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:49:17,183 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:49:17,184 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 11.09 08:49:17" (1/1) ... [2024-09-11 20:49:17,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:17,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:49:17,215 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) [2024-09-11 20:49:17,222 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 [2024-09-11 20:49:17,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:49:17,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:49:17,270 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:49:17,271 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:49:17,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:49:17,271 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:49:17,272 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:49:17,272 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:49:17,272 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:49:17,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:49:17,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:49:17,272 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:49:17,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:49:17,273 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:49:17,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:49:17,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:49:17,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:49:17,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:49:17,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:49:17,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:49:17,366 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:49:17,369 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:49:27,688 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:49:27,833 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-09-11 20:49:27,833 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:49:27,856 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:49:27,857 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:49:27,857 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:27 BoogieIcfgContainer [2024-09-11 20:49:27,857 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:49:27,858 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:49:27,858 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:49:27,859 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:49:27,859 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:49:16" (1/4) ... [2024-09-11 20:49:27,860 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5618780a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:27, skipping insertion in model container [2024-09-11 20:49:27,860 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:49:16" (2/4) ... [2024-09-11 20:49:27,860 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5618780a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:27, skipping insertion in model container [2024-09-11 20:49:27,860 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 11.09 08:49:17" (3/4) ... [2024-09-11 20:49:27,860 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5618780a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:27, skipping insertion in model container [2024-09-11 20:49:27,860 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:27" (4/4) ... [2024-09-11 20:49:27,861 INFO L79 RefereeObserver]: Analyzing ICFG egcd-ll_valuebound20.c [2024-09-11 20:49:27,867 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:49:27,868 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:49:27,868 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-11 20:49:27,868 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-11 20:49:27,869 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:27,869 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-11 20:49:27,869 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-11 20:49:27,869 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:49:27,869 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:27,870 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:49:27,870 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-11 20:49:27,870 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:49:27,870 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 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 [2024-09-11 20:49:27,925 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:49:27,926 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:27,927 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:27,927 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:27,929 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:27,931 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:27,963 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:49:27,964 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:27,967 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:27,967 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:27,968 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:27,969 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:32,251 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:32,374 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-11 20:49:32,374 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:32,375 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:32,375 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:32,375 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:32,375 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,413 INFO L101 BaseMinimizeStates]: Removed 28 edges and 9 locations by large block encoding [2024-09-11 20:49:32,414 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,414 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:32,414 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:32,414 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:32,423 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:36,699 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:36,813 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:49:36,813 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:36,813 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:36,814 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:36,814 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:36,814 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:36,836 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-11 20:49:36,836 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:36,837 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:36,837 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:36,837 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:36,846 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:41,117 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:41,222 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:41,223 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:41,223 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:41,223 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:41,224 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:41,224 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:41,228 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:41,228 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:41,229 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:41,229 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:41,229 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:41,229 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:43,629 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:43,737 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-11 20:49:43,737 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:43,737 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:43,737 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:43,737 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:43,737 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:43,752 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-11 20:49:43,753 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:43,753 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:43,754 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:43,754 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:43,758 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:43,760 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:43,774 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:49:43,775 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:43,775 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:43,775 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:43,775 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:43,775 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:43,800 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-11 20:49:43,801 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:43,801 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:43,801 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:43,801 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:43,806 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:48,117 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:48,221 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:49:48,221 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:48,222 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:48,222 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:48,222 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:48,222 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:48,225 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:49:48,226 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:48,226 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:48,227 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:48,227 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:48,227 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:48,233 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:48,246 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:48,246 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:48,246 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:48,247 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:48,248 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:48,249 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:48,251 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:48,251 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:48,251 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:48,251 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:48,251 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:48,251 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:48,254 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:49:48,265 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:49:48,266 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:48,266 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:48,266 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:48,267 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:48,267 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:48,281 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:49:48,281 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:48,281 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:48,281 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:48,281 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:48,281 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:48,284 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:48,298 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-11 20:49:48,298 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:48,298 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:48,298 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:48,299 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:48,299 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:48,340 INFO L101 BaseMinimizeStates]: Removed 16 edges and 7 locations by large block encoding [2024-09-11 20:49:48,341 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:48,341 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:48,341 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:48,341 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:48,348 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:53,256 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:53,509 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:53,510 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:53,510 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:53,510 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:53,510 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:53,510 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:53,519 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:53,519 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:53,520 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:53,520 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:53,520 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:53,521 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:57,800 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:57,904 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:49:57,905 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5618780a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:49:57, skipping insertion in model container [2024-09-11 20:49:57,905 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:49:57,906 INFO L158 Benchmark]: Toolchain (without parser) took 41140.83ms. Allocated memory is still 79.7MB. Free memory was 55.4MB in the beginning and 37.3MB in the end (delta: 18.1MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2024-09-11 20:49:57,906 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 50.3MB. Free memory is still 27.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:57,906 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 79.7MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:57,907 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.86ms. Allocated memory is still 79.7MB. Free memory was 55.1MB in the beginning and 41.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:49:57,907 INFO L158 Benchmark]: Boogie Preprocessor took 71.54ms. Allocated memory is still 79.7MB. Free memory was 40.7MB in the beginning and 38.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:49:57,908 INFO L158 Benchmark]: RCFGBuilder took 10676.77ms. Allocated memory is still 79.7MB. Free memory was 38.4MB in the beginning and 43.8MB in the end (delta: -5.4MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-09-11 20:49:57,908 INFO L158 Benchmark]: Referee took 30046.67ms. Allocated memory is still 79.7MB. Free memory was 43.8MB in the beginning and 37.3MB in the end (delta: 6.5MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2024-09-11 20:49:57,912 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 35 to check that procedure precondition always holds at line 56. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 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 35 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 55. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 35. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. 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 entry of procedure main to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 50.3MB. Free memory is still 27.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 79.7MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.86ms. Allocated memory is still 79.7MB. Free memory was 55.1MB in the beginning and 41.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.54ms. Allocated memory is still 79.7MB. Free memory was 40.7MB in the beginning and 38.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 10676.77ms. Allocated memory is still 79.7MB. Free memory was 38.4MB in the beginning and 43.8MB in the end (delta: -5.4MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Referee took 30046.67ms. Allocated memory is still 79.7MB. Free memory was 43.8MB in the beginning and 37.3MB in the end (delta: 6.5MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:49:58,112 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: UNKNOWN