./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd3-ll_valuebound1.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/egcd3-ll_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd3-ll_valuebound1.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 20:49:23,106 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:49:23,199 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:49:23,206 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:49:23,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:49:23,240 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:49:23,241 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:49:23,241 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:49:23,243 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:49:23,244 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:49:23,245 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:49:23,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:49:23,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:49:23,249 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:49:23,249 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:49:23,250 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:49:23,250 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:49:23,250 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:49:23,250 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:49:23,251 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:49:23,251 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:49:23,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:49:23,252 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:49:23,252 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:49:23,252 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:49:23,252 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:49:23,253 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:49:23,253 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:49:23,253 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:49:23,253 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:49:23,253 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:49:23,254 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:49:23,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:23,254 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:49:23,254 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:49:23,254 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:49:23,254 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:49:23,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:49:23,255 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:49:23,255 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:49:23,256 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:49:23,256 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:49:23,257 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:49:23,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:49:23,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:49:23,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:49:23,545 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:49:23,546 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:49:23,548 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd3-ll_valuebound1.yml/witness-2.1.yml [2024-09-11 20:49:23,627 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:49:23,628 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:49:23,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c [2024-09-11 20:49:25,048 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:49:25,244 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:49:25,247 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c [2024-09-11 20:49:25,255 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/03fb5f5dd/f3f5b852cbe2484ebe0b146c51ad768c/FLAG5d7d1fb8e [2024-09-11 20:49:25,272 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/03fb5f5dd/f3f5b852cbe2484ebe0b146c51ad768c [2024-09-11 20:49:25,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:49:25,275 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:49:25,276 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:25,278 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:49:25,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:49:25,283 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 08:49:23" (1/2) ... [2024-09-11 20:49:25,284 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30e2723d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:25, skipping insertion in model container [2024-09-11 20:49:25,286 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 08:49:23" (1/2) ... [2024-09-11 20:49:25,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@31caf957 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:25, skipping insertion in model container [2024-09-11 20:49:25,288 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:25" (2/2) ... [2024-09-11 20:49:25,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30e2723d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:25, skipping insertion in model container [2024-09-11 20:49:25,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:25" (2/2) ... [2024-09-11 20:49:25,323 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:49:25,323 INFO L1541 ArrayList]: Loop invariant at [L42-L62] (((((((((((c == 0) && (k == 1)) && (b == 1)) && (p == 1)) && (a == 1)) && (x == 1)) && (r == 0)) && (q == 0)) && (y == 1)) && (s == 1)) || ((((((((((b == 1) && (p == 1)) && (c == 1)) && (a == 1)) && (x == 1)) && (r == 0)) && (q == 0)) && (y == 1)) && (k == 0)) && (s == 1))) [2024-09-11 20:49:25,324 INFO L1541 ArrayList]: Loop invariant at [L35-L73] ((((((((((p == 0) && (a <= 1)) && (b == 0)) && (q == 1)) && (y == 1)) && (1 <= x)) && (r == 1)) && (((long long) x + 1) <= ((__int128) 2 * a))) && (((__int128) s + 1) == 0)) || ((((((((b == 1) && (p == 1)) && (a == 1)) && (x == 1)) && (r == 0)) && (q == 0)) && (y == 1)) && (s == 1))) [2024-09-11 20:49:25,324 INFO L1541 ArrayList]: Loop invariant at [L49-L59] (((((((((((((d == 1) && (p == 1)) && (c <= 1)) && (v == 1)) && (b == v)) && (x == 1)) && (r == 0)) && (q == 0)) && (y == 1)) && (k == 0)) && (b <= c)) && (a == x)) && (s == 1)) [2024-09-11 20:49:25,324 INFO L1541 ArrayList]: Function contract at [L7]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:49:25,324 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:49:25,352 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:49:25,506 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/egcd3-ll_valuebound1.c[490,503] [2024-09-11 20:49:25,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:25,535 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:49:25,572 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/egcd3-ll_valuebound1.c[490,503] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:49:25,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:25,623 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:49:25,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:25 WrapperNode [2024-09-11 20:49:25,624 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:25,625 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:49:25,626 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:49:25,626 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:49:25,638 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:25" (1/1) ... [2024-09-11 20:49:25,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:25" (1/1) ... [2024-09-11 20:49:25,646 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:25" (1/1) ... [2024-09-11 20:49:25,656 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:49:25,656 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:25" (1/1) ... [2024-09-11 20:49:25,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:25" (1/1) ... [2024-09-11 20:49:25,666 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:25" (1/1) ... [2024-09-11 20:49:25,674 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:25" (1/1) ... [2024-09-11 20:49:25,675 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:25" (1/1) ... [2024-09-11 20:49:25,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:25" (1/1) ... [2024-09-11 20:49:25,681 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:49:25,682 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:49:25,682 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:49:25,682 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:49:25,686 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:25" (1/1) ... [2024-09-11 20:49:25,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:25,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:49:25,716 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 20:49:25,718 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 20:49:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:49:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:49:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:49:25,762 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:49:25,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:49:25,762 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:49:25,762 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:49:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:49:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:49:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:49:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:49:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:49:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:49:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:49:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:49:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:49:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:49:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:49:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:49:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:49:25,843 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:49:25,845 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:49:26,101 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:49:26,157 INFO L? ?]: Removed 66 outVars from TransFormulas that were not future-live. [2024-09-11 20:49:26,157 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:49:26,186 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:49:26,189 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-11 20:49:26,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:26 BoogieIcfgContainer [2024-09-11 20:49:26,190 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:49:26,190 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:49:26,190 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:49:26,191 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:49:26,193 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 08:49:23" (1/4) ... [2024-09-11 20:49:26,193 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4af0836c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:26, skipping insertion in model container [2024-09-11 20:49:26,194 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:49:25" (2/4) ... [2024-09-11 20:49:26,194 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4af0836c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:26, skipping insertion in model container [2024-09-11 20:49:26,194 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:25" (3/4) ... [2024-09-11 20:49:26,194 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4af0836c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:26, skipping insertion in model container [2024-09-11 20:49:26,195 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:26" (4/4) ... [2024-09-11 20:49:26,196 INFO L79 RefereeObserver]: Analyzing ICFG egcd3-ll_valuebound1.c [2024-09-11 20:49:26,201 INFO L112 InvariantChecker]: Found 3 loops. [2024-09-11 20:49:26,202 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:49:26,202 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 20:49:26,203 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:49:26,203 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-3 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:49:26,203 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:49:26,203 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:49:26,203 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:49:26,204 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:49:26,204 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-11 20:49:26,204 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 20:49:26,205 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:49:26,205 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:49:26,205 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 20:49:26,205 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:26,206 INFO L130 InvariantChecker]: Will check 5 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 5 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location [2024-09-11 20:49:26,267 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:49:26,269 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:26,269 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:26,269 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:26,271 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:26,272 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,280 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:49:26,281 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,281 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:26,282 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:26,282 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:26,285 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:26,309 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:26,339 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:49:26,343 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:26,343 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:26,343 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:26,343 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:26,344 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,375 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:49:26,375 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,376 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:26,376 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:26,376 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:26,376 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:26,379 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:26,413 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:49:26,413 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:26,413 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:26,414 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:26,414 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:26,414 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,449 INFO L101 BaseMinimizeStates]: Removed 14 edges and 4 locations by large block encoding [2024-09-11 20:49:26,449 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,449 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:26,450 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:26,450 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:26,455 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:26,460 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:26,489 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-11 20:49:26,490 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:26,490 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:26,490 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:26,490 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:26,490 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,500 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-11 20:49:26,501 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,501 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:26,501 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:26,501 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:26,504 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:26,507 INFO L514 InvariantChecker]: The annotation(s) from loop head L35-3 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:26,537 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:26,537 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:26,537 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:26,538 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:26,538 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:26,538 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,548 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:26,548 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,548 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:26,549 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:26,549 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:26,549 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:26,554 INFO L514 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:26,569 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:49:26,570 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:26,570 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:26,570 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:26,570 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:26,570 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,576 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:49:26,576 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,576 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:26,576 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:26,577 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:26,577 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:26,579 INFO L514 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:26,597 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:49:26,598 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:26,598 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:26,598 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:26,598 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:26,598 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,607 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:49:26,607 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,608 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:26,608 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:26,608 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:26,609 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:26,611 INFO L514 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:26,624 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:49:26,626 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:26,626 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:26,627 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:26,627 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:26,627 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,634 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:49:26,634 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,634 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:26,634 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:26,634 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:26,634 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:26,637 INFO L514 InvariantChecker]: The annotation(s) from loop head L35-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:26,650 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:49:26,650 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:26,651 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:26,651 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:26,651 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:26,651 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,673 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-11 20:49:26,673 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,673 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:26,674 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:26,674 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:26,677 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:26,680 INFO L514 InvariantChecker]: The annotation(s) from loop head L49-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:26,690 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:49:26,690 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:26,691 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:26,691 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:26,691 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:26,691 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,693 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:49:26,694 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,694 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:26,695 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:26,695 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:26,696 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:26,698 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:26,706 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:49:26,707 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:26,707 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:26,707 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:26,707 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:26,707 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,711 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:49:26,711 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,711 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:26,711 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:26,712 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:26,712 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:26,714 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:26,726 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:49:26,726 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:26,726 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:26,727 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:26,727 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:26,727 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,741 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:49:26,741 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,741 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:26,742 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:26,742 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:26,742 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:26,746 INFO L514 InvariantChecker]: The annotation(s) from loop head L49-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:26,755 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:26,756 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:26,756 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:26,756 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:26,756 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:26,756 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,757 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:26,757 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,757 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:26,757 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:26,757 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:26,758 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:26,759 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:49:26,767 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:26,767 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:26,767 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:26,767 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:26,767 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:26,768 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,770 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:26,770 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,770 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:26,770 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:26,770 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:26,770 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:26,772 INFO L514 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:26,779 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:49:26,780 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4af0836c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:49:26, skipping insertion in model container [2024-09-11 20:49:26,780 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:49:26,782 INFO L158 Benchmark]: Toolchain (without parser) took 1506.32ms. Allocated memory was 136.3MB in the beginning and 172.0MB in the end (delta: 35.7MB). Free memory was 62.2MB in the beginning and 84.5MB in the end (delta: -22.3MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2024-09-11 20:49:26,782 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 136.3MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:26,782 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 136.3MB. Free memory is still 107.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:26,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.47ms. Allocated memory was 136.3MB in the beginning and 172.0MB in the end (delta: 35.7MB). Free memory was 62.0MB in the beginning and 130.2MB in the end (delta: -68.2MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-09-11 20:49:26,783 INFO L158 Benchmark]: Boogie Preprocessor took 55.46ms. Allocated memory is still 172.0MB. Free memory was 130.2MB in the beginning and 128.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:49:26,784 INFO L158 Benchmark]: RCFGBuilder took 508.03ms. Allocated memory is still 172.0MB. Free memory was 128.1MB in the beginning and 109.7MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-11 20:49:26,784 INFO L158 Benchmark]: Referee took 589.85ms. Allocated memory is still 172.0MB. Free memory was 109.7MB in the beginning and 84.5MB in the end (delta: 25.1MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2024-09-11 20:49:26,786 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 12. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. 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 49 to loop head at line 42. 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 49 to check that procedure precondition always holds at line 52. Annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 42. 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 49 to check that procedure precondition always holds at line 51. Annotation is valid for all loop-free paths from loop head at line 49 to check that procedure precondition always holds at line 50. Annotation is valid for all loop-free paths from loop head at line 42 to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 49 to check that procedure precondition always holds at line 50. Annotation is valid for all loop-free paths from loop head at line 42 to loop head at line 49. Annotation is valid for all loop-free paths from loop head at line 49 to loop head at line 49. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 136.3MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.58ms. Allocated memory is still 136.3MB. Free memory is still 107.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.47ms. Allocated memory was 136.3MB in the beginning and 172.0MB in the end (delta: 35.7MB). Free memory was 62.0MB in the beginning and 130.2MB in the end (delta: -68.2MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.46ms. Allocated memory is still 172.0MB. Free memory was 130.2MB in the beginning and 128.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 508.03ms. Allocated memory is still 172.0MB. Free memory was 128.1MB in the beginning and 109.7MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 589.85ms. Allocated memory is still 172.0MB. Free memory was 109.7MB in the beginning and 84.5MB in the end (delta: 25.1MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:49:26,814 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-scaling/egcd3-ll_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd3-ll_valuebound1.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 20:49:28,959 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:49:29,045 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:49:29,051 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:49:29,053 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:49:29,083 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:49:29,084 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:49:29,084 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:49:29,085 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:49:29,085 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:49:29,085 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:49:29,086 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:49:29,088 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:49:29,091 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:49:29,091 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:49:29,092 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:49:29,092 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:49:29,092 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:49:29,092 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:49:29,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:49:29,093 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:49:29,094 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:49:29,097 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:49:29,098 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:49:29,098 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:49:29,098 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:49:29,098 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:49:29,099 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:49:29,099 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:49:29,099 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:49:29,099 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:49:29,100 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:49:29,100 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:49:29,100 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:49:29,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:29,100 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:49:29,101 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:49:29,101 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:49:29,101 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:49:29,101 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:49:29,102 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:49:29,102 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:49:29,103 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:49:29,104 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:49:29,104 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:49:29,104 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:49:29,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:49:29,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:49:29,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:49:29,441 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:49:29,442 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:49:29,444 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c [2024-09-11 20:49:30,844 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:49:31,072 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:49:31,073 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c [2024-09-11 20:49:31,084 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/9ff403ccf/dffd292436d44fc390a992034539e226/FLAG1a586ae83 [2024-09-11 20:49:31,427 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/9ff403ccf/dffd292436d44fc390a992034539e226 [2024-09-11 20:49:31,429 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:49:31,430 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:49:31,430 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd3-ll_valuebound1.yml/witness-2.1.yml [2024-09-11 20:49:31,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:49:31,482 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:49:31,483 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:31,483 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:49:31,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:49:31,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:31" (1/2) ... [2024-09-11 20:49:31,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f560f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:31, skipping insertion in model container [2024-09-11 20:49:31,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:31" (1/2) ... [2024-09-11 20:49:31,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@eaba7d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:31, skipping insertion in model container [2024-09-11 20:49:31,494 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 08:49:31" (2/2) ... [2024-09-11 20:49:31,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f560f48 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:31, skipping insertion in model container [2024-09-11 20:49:31,494 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 08:49:31" (2/2) ... [2024-09-11 20:49:31,508 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:49:31,511 INFO L1541 ArrayList]: Loop invariant at [L49-L59] (((((((((((((d == 1) && (p == 1)) && (c <= 1)) && (v == 1)) && (b == v)) && (x == 1)) && (r == 0)) && (q == 0)) && (y == 1)) && (k == 0)) && (b <= c)) && (a == x)) && (s == 1)) [2024-09-11 20:49:31,514 INFO L1541 ArrayList]: Loop invariant at [L42-L62] (((((((((((c == 0) && (k == 1)) && (b == 1)) && (p == 1)) && (a == 1)) && (x == 1)) && (r == 0)) && (q == 0)) && (y == 1)) && (s == 1)) || ((((((((((b == 1) && (p == 1)) && (c == 1)) && (a == 1)) && (x == 1)) && (r == 0)) && (q == 0)) && (y == 1)) && (k == 0)) && (s == 1))) [2024-09-11 20:49:31,514 INFO L1541 ArrayList]: Loop invariant at [L35-L73] ((((((((((p == 0) && (a <= 1)) && (b == 0)) && (q == 1)) && (y == 1)) && (1 <= x)) && (r == 1)) && (((long long) x + 1) <= ((__int128) 2 * a))) && (((__int128) s + 1) == 0)) || ((((((((b == 1) && (p == 1)) && (a == 1)) && (x == 1)) && (r == 0)) && (q == 0)) && (y == 1)) && (s == 1))) [2024-09-11 20:49:31,515 INFO L1541 ArrayList]: Function contract at [L7]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:49:31,515 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:49:31,535 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:49:31,700 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/egcd3-ll_valuebound1.c[490,503] [2024-09-11 20:49:31,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:31,758 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:49:31,799 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/egcd3-ll_valuebound1.c[490,503] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:49:31,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:31,891 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:49:31,891 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:31 WrapperNode [2024-09-11 20:49:31,892 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:31,893 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:49:31,893 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:49:31,894 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:49:31,906 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 08:49:31" (1/1) ... [2024-09-11 20:49:31,907 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 08:49:31" (1/1) ... [2024-09-11 20:49:31,915 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 08:49:31" (1/1) ... [2024-09-11 20:49:31,930 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:49:31,931 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 08:49:31" (1/1) ... [2024-09-11 20:49:31,931 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 08:49:31" (1/1) ... [2024-09-11 20:49:31,949 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 08:49:31" (1/1) ... [2024-09-11 20:49:31,956 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 08:49:31" (1/1) ... [2024-09-11 20:49:31,958 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 08:49:31" (1/1) ... [2024-09-11 20:49:31,959 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 08:49:31" (1/1) ... [2024-09-11 20:49:31,961 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:49:31,962 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:49:31,962 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:49:31,963 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:49:31,963 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 08:49:31" (1/1) ... [2024-09-11 20:49:31,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:31,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:49:31,994 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 20:49:31,997 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 20:49:32,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:49:32,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:49:32,047 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:49:32,047 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:49:32,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:49:32,048 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:49:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:49:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:49:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:49:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:49:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:49:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:49:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:49:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:49:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:49:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:49:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:49:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:49:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:49:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:49:32,131 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:49:32,133 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:49:34,526 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:49:34,600 INFO L? ?]: Removed 66 outVars from TransFormulas that were not future-live. [2024-09-11 20:49:34,600 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:49:34,635 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:49:34,636 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-11 20:49:34,637 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:34 BoogieIcfgContainer [2024-09-11 20:49:34,637 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:49:34,638 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:49:34,639 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:49:34,640 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:49:34,640 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:49:31" (1/4) ... [2024-09-11 20:49:34,640 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5c33d9b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:34, skipping insertion in model container [2024-09-11 20:49:34,641 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 08:49:31" (2/4) ... [2024-09-11 20:49:34,641 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5c33d9b6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:34, skipping insertion in model container [2024-09-11 20:49:34,641 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 08:49:31" (3/4) ... [2024-09-11 20:49:34,641 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5c33d9b6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:34, skipping insertion in model container [2024-09-11 20:49:34,644 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 08:49:34" (4/4) ... [2024-09-11 20:49:34,645 INFO L79 RefereeObserver]: Analyzing ICFG egcd3-ll_valuebound1.c [2024-09-11 20:49:34,648 INFO L112 InvariantChecker]: Found 3 loops. [2024-09-11 20:49:34,649 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:49:34,650 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 20:49:34,650 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:49:34,650 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-3 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:49:34,650 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:49:34,650 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:49:34,650 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:49:34,650 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:49:34,650 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-11 20:49:34,651 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 20:49:34,651 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:49:34,651 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:49:34,651 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 20:49:34,651 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:34,651 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 5 loop-free subgraphs from loop head to error location, 5 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:49:34,732 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:49:34,733 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:34,734 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:34,734 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:34,737 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:34,739 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:34,751 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:49:34,753 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:34,754 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:34,754 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:34,755 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:34,757 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:34,776 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:34,810 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:49:34,813 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:34,814 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:34,814 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:34,814 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:34,814 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:34,832 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:49:34,834 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:34,834 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:34,834 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:34,835 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:34,835 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:34,838 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:34,867 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:49:34,869 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:34,869 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:34,869 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:34,870 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:34,870 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:34,894 INFO L101 BaseMinimizeStates]: Removed 14 edges and 4 locations by large block encoding [2024-09-11 20:49:34,895 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:34,895 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:34,895 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:34,895 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:34,899 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:34,983 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:35,021 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-11 20:49:35,021 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:35,022 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:35,022 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:35,022 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:35,022 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:35,048 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-11 20:49:35,051 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:35,051 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:35,051 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:35,051 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:35,055 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:35,186 INFO L514 InvariantChecker]: The annotation(s) from loop head L35-3 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:35,241 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:35,243 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:35,243 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:35,243 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:35,244 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:35,244 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:35,256 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:35,257 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:35,257 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:35,257 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:35,258 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:35,258 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:35,264 INFO L514 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:35,286 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:49:35,289 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:35,289 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:35,289 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:35,289 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:35,289 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:35,297 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:49:35,299 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:35,300 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:35,300 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:35,300 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:35,300 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:35,304 INFO L514 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:35,323 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:49:35,324 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:35,324 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:35,324 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:35,324 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:35,324 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:35,336 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:49:35,337 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:35,337 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:35,337 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:35,337 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:35,338 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:35,340 INFO L514 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:35,368 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:49:35,370 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:35,370 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:35,370 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:35,371 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:35,371 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:35,381 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:49:35,381 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:35,381 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:35,382 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:35,382 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:35,382 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:35,385 INFO L514 InvariantChecker]: The annotation(s) from loop head L35-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:35,404 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:49:35,404 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:35,404 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:35,404 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:35,404 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:35,405 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:35,432 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-11 20:49:35,432 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:35,432 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:35,433 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:35,433 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:35,437 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:35,442 INFO L514 InvariantChecker]: The annotation(s) from loop head L49-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:35,457 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:49:35,457 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:35,457 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:35,457 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:35,457 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:35,458 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:35,459 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:49:35,460 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:35,460 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:35,460 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:35,462 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:35,462 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:35,464 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:35,480 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:49:35,480 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:35,481 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:35,481 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:35,481 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:35,481 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:35,488 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:49:35,488 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:35,499 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:35,500 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:35,500 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:35,500 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:35,508 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:35,529 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:49:35,530 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:35,530 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:35,530 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:35,530 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:35,531 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:35,557 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:49:35,557 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:35,557 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:35,558 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:35,558 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:35,558 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:35,562 INFO L514 InvariantChecker]: The annotation(s) from loop head L49-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:35,581 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:35,581 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:35,581 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:35,582 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:35,583 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:35,583 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:35,584 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:35,584 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:35,584 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:35,585 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:35,585 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:35,585 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:35,587 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:49:35,600 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:35,600 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:35,601 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:35,601 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:35,601 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:35,601 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:35,604 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:35,605 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:35,605 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:35,605 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:35,605 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:35,605 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:35,607 INFO L514 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:35,610 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:49:35,611 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5c33d9b6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:49:35, skipping insertion in model container [2024-09-11 20:49:35,611 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:49:35,612 INFO L158 Benchmark]: Toolchain (without parser) took 4129.99ms. Allocated memory was 69.2MB in the beginning and 104.9MB in the end (delta: 35.7MB). Free memory was 44.4MB in the beginning and 56.0MB in the end (delta: -11.7MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2024-09-11 20:49:35,613 INFO L158 Benchmark]: CDTParser took 0.85ms. Allocated memory is still 69.2MB. Free memory was 46.1MB in the beginning and 46.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:35,613 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 69.2MB. Free memory is still 46.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:35,614 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.83ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 44.2MB in the beginning and 64.7MB in the end (delta: -20.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:49:35,615 INFO L158 Benchmark]: Boogie Preprocessor took 68.37ms. Allocated memory is still 86.0MB. Free memory was 64.7MB in the beginning and 62.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:35,617 INFO L158 Benchmark]: RCFGBuilder took 2674.67ms. Allocated memory is still 86.0MB. Free memory was 62.2MB in the beginning and 39.8MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-11 20:49:35,618 INFO L158 Benchmark]: Referee took 973.26ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 39.8MB in the beginning and 56.0MB in the end (delta: -16.2MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2024-09-11 20:49:35,620 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 49 to loop head at line 49. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 49 to check that procedure precondition always holds at line 51. 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 35. Annotation is valid for all loop-free paths from loop head at line 49 to check that procedure precondition always holds at line 50. Annotation is valid for all loop-free paths from loop head at line 49 to loop head at line 42. 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 49 to check that procedure precondition always holds at line 50. 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 42 to loop head at line 49. Annotation is valid for all loop-free paths from loop head at line 42 to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 49 to check that procedure precondition always holds at line 52. Annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 42. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85ms. Allocated memory is still 69.2MB. Free memory was 46.1MB in the beginning and 46.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 69.2MB. Free memory is still 46.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 408.83ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 44.2MB in the beginning and 64.7MB in the end (delta: -20.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.37ms. Allocated memory is still 86.0MB. Free memory was 64.7MB in the beginning and 62.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2674.67ms. Allocated memory is still 86.0MB. Free memory was 62.2MB in the beginning and 39.8MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Referee took 973.26ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 39.8MB in the beginning and 56.0MB in the end (delta: -16.2MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:49:35,672 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