./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 de325976 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/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-de32597-m [2024-09-17 19:39:54,148 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:39:54,220 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-17 19:39:54,225 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:39:54,227 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:39:54,255 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:39:54,256 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:39:54,257 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:39:54,258 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:39:54,259 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:39:54,260 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:39:54,260 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:39:54,261 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:39:54,261 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:39:54,263 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:39:54,263 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:39:54,264 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:39:54,264 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:39:54,264 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-17 19:39:54,264 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:39:54,265 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:39:54,265 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:39:54,268 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:39:54,268 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:39:54,269 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:39:54,269 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:39:54,269 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:39:54,269 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:39:54,270 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:39:54,270 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:39:54,270 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-17 19:39:54,270 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:39:54,271 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:39:54,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:39:54,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:39:54,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:39:54,272 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:39:54,272 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-17 19:39:54,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-17 19:39:54,272 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:39:54,273 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:39:54,273 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:39:54,274 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:39:54,274 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-17 19:39:54,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:39:54,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:39:54,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:39:54,609 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-17 19:39:54,610 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-17 19:39:54,611 INFO L431 ainManager$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 [2024-09-17 19:39:54,666 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:39:54,666 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:39:54,667 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/egcd-ll.c [2024-09-17 19:39:56,157 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:39:56,352 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:39:56,353 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/egcd-ll.c [2024-09-17 19:39:56,363 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/bd48bb1b4/0f7ca77e0f37480aa33602a1666f3081/FLAGd48b4d1a8 [2024-09-17 19:39:56,737 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/bd48bb1b4/0f7ca77e0f37480aa33602a1666f3081 [2024-09-17 19:39:56,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:39:56,739 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-17 19:39:56,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:39:56,741 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:39:56,746 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:39:56,747 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:39:54" (1/2) ... [2024-09-17 19:39:56,748 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10cccde and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:39:56, skipping insertion in model container [2024-09-17 19:39:56,748 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:39:54" (1/2) ... [2024-09-17 19:39:56,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ef848e7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:39:56, skipping insertion in model container [2024-09-17 19:39:56,751 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:39:56" (2/2) ... [2024-09-17 19:39:56,752 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10cccde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:56, skipping insertion in model container [2024-09-17 19:39:56,752 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:39:56" (2/2) ... [2024-09-17 19:39:56,758 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-17 19:39:56,759 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))) [2024-09-17 19:39:56,760 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-17 19:39:56,781 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:39:56,941 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] [2024-09-17 19:39:56,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:39:56,984 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-17 19:39:57,023 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 [2024-09-17 19:39:57,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:39:57,072 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:39:57,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:57 WrapperNode [2024-09-17 19:39:57,073 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:39:57,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:39:57,074 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:39:57,074 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:39:57,087 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:57" (1/1) ... [2024-09-17 19:39:57,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:57" (1/1) ... [2024-09-17 19:39:57,097 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:57" (1/1) ... [2024-09-17 19:39:57,113 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-17 19:39:57,113 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:57" (1/1) ... [2024-09-17 19:39:57,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:57" (1/1) ... [2024-09-17 19:39:57,121 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:57" (1/1) ... [2024-09-17 19:39:57,124 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:57" (1/1) ... [2024-09-17 19:39:57,126 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:57" (1/1) ... [2024-09-17 19:39:57,127 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:57" (1/1) ... [2024-09-17 19:39:57,129 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:39:57,130 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:39:57,130 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:39:57,130 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:39:57,131 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:57" (1/1) ... [2024-09-17 19:39:57,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:39:57,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-17 19:39:57,159 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) [2024-09-17 19:39:57,161 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-17 19:39:57,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-17 19:39:57,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:39:57,204 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-17 19:39:57,204 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-17 19:39:57,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-17 19:39:57,205 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-17 19:39:57,205 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-17 19:39:57,205 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-17 19:39:57,205 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-17 19:39:57,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:39:57,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-17 19:39:57,206 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-17 19:39:57,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-17 19:39:57,206 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-17 19:39:57,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-17 19:39:57,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-17 19:39:57,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:39:57,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-17 19:39:57,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-17 19:39:57,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-17 19:39:57,269 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:39:57,271 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:39:57,488 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:39:57,506 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:39:57,540 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:39:57,543 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-17 19:39:57,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:39:57 BoogieIcfgContainer [2024-09-17 19:39:57,544 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:39:57,544 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-17 19:39:57,545 INFO L270 PluginConnector]: Initializing Referee... [2024-09-17 19:39:57,546 INFO L274 PluginConnector]: Referee initialized [2024-09-17 19:39:57,547 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:39:54" (1/4) ... [2024-09-17 19:39:57,547 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@53a23bc1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:39:57, skipping insertion in model container [2024-09-17 19:39:57,549 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:39:56" (2/4) ... [2024-09-17 19:39:57,549 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@53a23bc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:39:57, skipping insertion in model container [2024-09-17 19:39:57,549 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:57" (3/4) ... [2024-09-17 19:39:57,549 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@53a23bc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:39:57, skipping insertion in model container [2024-09-17 19:39:57,549 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:39:57" (4/4) ... [2024-09-17 19:39:57,551 INFO L79 RefereeObserver]: Analyzing ICFG egcd-ll.c [2024-09-17 19:39:57,554 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-17 19:39:57,554 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-17 19:39:57,554 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-17 19:39:57,555 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-17 19:39:57,555 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-17 19:39:57,555 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-17 19:39:57,555 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-17 19:39:57,555 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-17 19:39:57,555 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-17 19:39:57,555 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-17 19:39:57,556 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-17 19:39:57,556 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-17 19:39:57,556 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 7 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-17 19:39:57,615 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-17 19:39:57,616 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:57,616 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:57,617 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:57,619 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:57,621 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:57,643 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-17 19:39:57,647 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:57,648 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:57,648 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:57,649 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:57,649 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:39:57,662 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:39:57,688 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-17 19:39:57,688 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:57,688 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:57,688 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:57,689 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:57,689 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:57,720 INFO L101 BaseMinimizeStates]: Removed 28 edges and 9 locations by large block encoding [2024-09-17 19:39:57,720 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:57,721 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:57,721 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:57,721 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:57,728 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:39:57,731 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:39:57,747 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-17 19:39:57,748 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:57,748 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:57,748 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:57,748 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:57,748 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:57,766 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-17 19:39:57,766 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:57,766 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:57,767 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:57,767 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:57,771 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:39:57,774 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:39:57,788 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-17 19:39:57,789 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:57,789 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:57,789 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:57,789 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:57,790 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:57,797 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-17 19:39:57,797 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:57,798 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:57,798 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:57,798 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:57,798 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:39:57,804 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:39:57,817 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-17 19:39:57,818 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:57,818 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:57,818 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:57,818 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:57,818 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:57,866 INFO L101 BaseMinimizeStates]: Removed 16 edges and 7 locations by large block encoding [2024-09-17 19:39:57,867 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:57,867 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:57,867 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:57,867 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:57,873 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:01,879 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-17 19:40:01,893 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:40:01,893 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:01,893 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:01,894 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:01,894 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:01,894 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:01,898 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:40:01,898 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:01,898 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:01,898 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:01,898 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:01,899 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:01,901 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:01,911 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-17 19:40:01,911 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:01,911 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:01,911 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:01,911 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:01,912 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:01,927 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-17 19:40:01,927 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:01,927 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:01,927 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:01,927 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:01,934 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:01,937 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:01,948 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-17 19:40:01,949 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:01,949 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:01,950 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:01,950 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:01,950 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:01,966 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-17 19:40:01,968 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:01,969 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:01,969 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:01,969 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:01,973 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:01,977 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:01,985 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-17 19:40:01,985 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:01,985 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:01,986 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:01,986 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:01,986 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:01,988 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-17 19:40:01,988 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:01,988 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:01,988 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:01,989 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:01,989 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:01,991 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:40:01,999 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:40:01,999 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:02,000 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:02,000 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:02,000 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:02,000 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:02,001 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:40:02,001 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:02,001 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:02,001 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:02,001 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:02,002 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:02,004 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-17 19:40:02,012 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-17 19:40:02,012 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:02,012 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:02,013 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:02,013 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:02,013 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:02,018 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-17 19:40:02,019 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:02,019 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:02,019 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:02,019 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:02,019 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:02,022 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:02,025 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-17 19:40:02,026 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@53a23bc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 17.09 07:40:02, skipping insertion in model container [2024-09-17 19:40:02,026 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-17 19:40:02,028 INFO L158 Benchmark]: Toolchain (without parser) took 5288.26ms. Allocated memory is still 155.2MB. Free memory was 116.5MB in the beginning and 94.2MB in the end (delta: 22.3MB). Peak memory consumption was 75.3MB. Max. memory is 16.1GB. [2024-09-17 19:40:02,028 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 155.2MB. Free memory is still 124.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:40:02,029 INFO L158 Benchmark]: CDTParser took 1.04ms. Allocated memory is still 155.2MB. Free memory is still 122.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:40:02,029 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.77ms. Allocated memory is still 155.2MB. Free memory was 116.5MB in the beginning and 102.8MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-17 19:40:02,030 INFO L158 Benchmark]: Boogie Preprocessor took 55.47ms. Allocated memory is still 155.2MB. Free memory was 102.8MB in the beginning and 100.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-17 19:40:02,030 INFO L158 Benchmark]: RCFGBuilder took 413.96ms. Allocated memory is still 155.2MB. Free memory was 100.7MB in the beginning and 86.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-17 19:40:02,031 INFO L158 Benchmark]: Referee took 4481.94ms. Allocated memory is still 155.2MB. Free memory was 86.1MB in the beginning and 94.2MB in the end (delta: -8.1MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2024-09-17 19:40:02,033 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 52. 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 53. 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 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 34. 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 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 33. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 155.2MB. Free memory is still 124.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.04ms. Allocated memory is still 155.2MB. Free memory is still 122.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.77ms. Allocated memory is still 155.2MB. Free memory was 116.5MB in the beginning and 102.8MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.47ms. Allocated memory is still 155.2MB. Free memory was 102.8MB in the beginning and 100.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 413.96ms. Allocated memory is still 155.2MB. Free memory was 100.7MB in the beginning and 86.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 4481.94ms. Allocated memory is still 155.2MB. Free memory was 86.1MB in the beginning and 94.2MB in the end (delta: -8.1MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-17 19:40:02,056 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-de32597-m [2024-09-17 19:40:04,271 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:40:04,359 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-17 19:40:04,364 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:40:04,365 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:40:04,394 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:40:04,396 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:40:04,397 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:40:04,397 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:40:04,398 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:40:04,399 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:40:04,400 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:40:04,400 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:40:04,401 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:40:04,401 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:40:04,401 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:40:04,402 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:40:04,402 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:40:04,406 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:40:04,407 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:40:04,407 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:40:04,408 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:40:04,408 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:40:04,409 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-17 19:40:04,410 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-17 19:40:04,410 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:40:04,410 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-17 19:40:04,411 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:40:04,411 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:40:04,411 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:40:04,412 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:40:04,412 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:40:04,412 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-17 19:40:04,412 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:40:04,412 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:40:04,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:40:04,413 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:40:04,414 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:40:04,414 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:40:04,415 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-17 19:40:04,415 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-17 19:40:04,415 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:40:04,415 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:40:04,416 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:40:04,416 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:40:04,416 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-17 19:40:04,416 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-17 19:40:04,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:40:04,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:40:04,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:40:04,782 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:40:04,782 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:40:04,784 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/egcd-ll.c [2024-09-17 19:40:06,389 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:40:06,620 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:40:06,620 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/egcd-ll.c [2024-09-17 19:40:06,628 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c2f239fe9/5fe2ffa0315541f195275b999580d8fc/FLAG7ccbb000d [2024-09-17 19:40:06,641 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c2f239fe9/5fe2ffa0315541f195275b999580d8fc [2024-09-17 19:40:06,643 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-17 19:40:06,644 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-17 19:40:06,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll.yml/witness-2.1.yml [2024-09-17 19:40:06,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:40:06,702 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-17 19:40:06,704 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:40:06,704 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:40:06,710 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:40:06,711 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:40:06" (1/2) ... [2024-09-17 19:40:06,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f72db1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:06, skipping insertion in model container [2024-09-17 19:40:06,715 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:40:06" (1/2) ... [2024-09-17 19:40:06,717 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@cb59aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:06, skipping insertion in model container [2024-09-17 19:40:06,717 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:06" (2/2) ... [2024-09-17 19:40:06,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f72db1f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:40:06, skipping insertion in model container [2024-09-17 19:40:06,718 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:06" (2/2) ... [2024-09-17 19:40:06,728 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-17 19:40:06,729 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))) [2024-09-17 19:40:06,729 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-17 19:40:06,747 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:40:06,917 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] [2024-09-17 19:40:06,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:40:06,967 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-17 19:40:07,014 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 [2024-09-17 19:40:07,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:40:07,057 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:40:07,057 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:40:07 WrapperNode [2024-09-17 19:40:07,057 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:40:07,058 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:40:07,058 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:40:07,059 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:40:07,073 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 17.09 07:40:07" (1/1) ... [2024-09-17 19:40:07,074 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 17.09 07:40:07" (1/1) ... [2024-09-17 19:40:07,085 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 17.09 07:40:07" (1/1) ... [2024-09-17 19:40:07,104 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-17 19:40:07,104 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 17.09 07:40:07" (1/1) ... [2024-09-17 19:40:07,104 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 17.09 07:40:07" (1/1) ... [2024-09-17 19:40:07,115 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 17.09 07:40:07" (1/1) ... [2024-09-17 19:40:07,119 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 17.09 07:40:07" (1/1) ... [2024-09-17 19:40:07,122 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 17.09 07:40:07" (1/1) ... [2024-09-17 19:40:07,124 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 17.09 07:40:07" (1/1) ... [2024-09-17 19:40:07,126 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:40:07,130 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:40:07,130 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:40:07,130 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:40:07,131 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 17.09 07:40:07" (1/1) ... [2024-09-17 19:40:07,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:40:07,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-17 19:40:07,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-17 19:40:07,167 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-17 19:40:07,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-17 19:40:07,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:40:07,216 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-17 19:40:07,217 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-17 19:40:07,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-17 19:40:07,217 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-17 19:40:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-17 19:40:07,218 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-17 19:40:07,218 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-17 19:40:07,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:40:07,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-17 19:40:07,218 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-17 19:40:07,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-17 19:40:07,219 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-17 19:40:07,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-17 19:40:07,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-17 19:40:07,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:40:07,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-17 19:40:07,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-17 19:40:07,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-17 19:40:07,300 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:40:07,303 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:40:16,023 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:40:16,118 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:40:16,156 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:40:16,157 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-17 19:40:16,158 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:40:16 BoogieIcfgContainer [2024-09-17 19:40:16,158 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:40:16,158 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-17 19:40:16,159 INFO L270 PluginConnector]: Initializing Referee... [2024-09-17 19:40:16,160 INFO L274 PluginConnector]: Referee initialized [2024-09-17 19:40:16,161 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:40:06" (1/4) ... [2024-09-17 19:40:16,162 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3230c615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:40:16, skipping insertion in model container [2024-09-17 19:40:16,162 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:06" (2/4) ... [2024-09-17 19:40:16,162 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3230c615 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:40:16, skipping insertion in model container [2024-09-17 19:40:16,163 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 17.09 07:40:07" (3/4) ... [2024-09-17 19:40:16,163 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3230c615 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:40:16, skipping insertion in model container [2024-09-17 19:40:16,163 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:40:16" (4/4) ... [2024-09-17 19:40:16,164 INFO L79 RefereeObserver]: Analyzing ICFG egcd-ll.c [2024-09-17 19:40:16,168 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-17 19:40:16,169 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-17 19:40:16,169 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-17 19:40:16,170 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-17 19:40:16,170 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-17 19:40:16,170 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-17 19:40:16,171 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-17 19:40:16,171 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-17 19:40:16,171 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-17 19:40:16,172 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-17 19:40:16,172 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-17 19:40:16,172 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-17 19:40:16,172 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 7 loop-free subgraphs from loop head to error location [2024-09-17 19:40:16,254 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-17 19:40:16,255 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:16,256 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:16,256 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:16,258 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:16,261 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:16,288 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-17 19:40:16,289 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:16,289 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:16,289 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:16,290 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:16,290 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:20,555 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-17 19:40:20,679 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-17 19:40:20,680 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:20,680 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:20,680 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:20,680 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:20,680 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:20,757 INFO L101 BaseMinimizeStates]: Removed 28 edges and 9 locations by large block encoding [2024-09-17 19:40:20,757 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:20,758 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:20,758 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:20,758 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:20,767 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:25,009 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-17 19:40:25,132 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-17 19:40:25,135 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:25,136 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:25,136 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:25,136 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:25,136 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:25,160 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-17 19:40:25,160 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:25,161 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:25,161 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:25,161 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:25,166 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:29,438 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-17 19:40:29,538 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-17 19:40:29,538 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:29,539 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:29,539 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:29,539 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:29,539 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:29,543 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-17 19:40:29,544 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:29,544 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:29,544 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:29,544 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:29,544 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:29,734 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:29,748 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-17 19:40:29,749 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:29,749 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:29,749 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:29,749 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:29,749 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:29,781 INFO L101 BaseMinimizeStates]: Removed 16 edges and 7 locations by large block encoding [2024-09-17 19:40:29,781 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:29,781 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:29,782 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:29,782 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:29,790 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:34,836 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-17 19:40:35,111 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:40:35,112 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:35,112 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:35,112 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:35,112 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:35,113 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:35,116 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:40:35,116 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:35,117 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:35,117 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:35,117 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:35,117 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:39,452 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-17 19:40:39,543 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-17 19:40:39,543 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:39,543 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:39,543 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:39,543 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:39,544 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:39,557 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-17 19:40:39,557 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:39,558 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:39,558 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:39,558 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:39,561 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:39,564 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:39,577 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-17 19:40:39,578 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:39,578 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:39,578 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:39,579 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:39,579 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:39,598 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-17 19:40:39,601 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:39,602 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:39,602 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:39,602 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:39,606 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:43,956 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-17 19:40:44,064 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-17 19:40:44,065 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:44,065 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:44,065 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:44,065 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:44,065 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:44,067 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-17 19:40:44,068 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:44,068 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:44,068 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:44,068 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:44,069 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:44,075 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:40:44,083 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:40:44,084 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:44,084 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:44,084 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:44,084 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:44,084 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:44,085 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:40:44,086 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:44,086 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:44,086 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:44,086 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:44,086 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:44,088 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-17 19:40:44,097 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-17 19:40:44,098 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:44,098 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:44,098 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:44,099 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:44,099 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:44,108 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-17 19:40:44,109 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:44,109 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:44,109 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:44,109 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:44,109 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:48,417 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-17 19:40:48,509 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-17 19:40:48,510 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3230c615 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 17.09 07:40:48, skipping insertion in model container [2024-09-17 19:40:48,510 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-17 19:40:48,512 INFO L158 Benchmark]: Toolchain (without parser) took 41809.49ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 37.5MB in the beginning and 29.9MB in the end (delta: 7.7MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-09-17 19:40:48,512 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 62.9MB. Free memory was 39.8MB in the beginning and 39.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:40:48,513 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 62.9MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:40:48,513 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.86ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 37.2MB in the beginning and 60.0MB in the end (delta: -22.8MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-09-17 19:40:48,514 INFO L158 Benchmark]: Boogie Preprocessor took 70.70ms. Allocated memory is still 81.8MB. Free memory was 60.0MB in the beginning and 57.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-17 19:40:48,516 INFO L158 Benchmark]: RCFGBuilder took 9028.18ms. Allocated memory is still 81.8MB. Free memory was 57.4MB in the beginning and 40.3MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-17 19:40:48,518 INFO L158 Benchmark]: Referee took 32351.98ms. Allocated memory is still 81.8MB. Free memory was 40.3MB in the beginning and 29.9MB in the end (delta: 10.4MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2024-09-17 19:40:48,522 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 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 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 52. 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 53. 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 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 loop head at line 33 to check that procedure precondition always holds 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 62.9MB. Free memory was 39.8MB in the beginning and 39.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 62.9MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.86ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 37.2MB in the beginning and 60.0MB in the end (delta: -22.8MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.70ms. Allocated memory is still 81.8MB. Free memory was 60.0MB in the beginning and 57.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 9028.18ms. Allocated memory is still 81.8MB. Free memory was 57.4MB in the beginning and 40.3MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 32351.98ms. Allocated memory is still 81.8MB. Free memory was 40.3MB in the beginning and 29.9MB in the end (delta: 10.4MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-17 19:40:48,725 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