./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll_valuebound2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll_valuebound2.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 20:49:06,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:49:06,886 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:49:06,892 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:49:06,893 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:49:06,921 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:49:06,921 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:49:06,922 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:49:06,923 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:49:06,924 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:49:06,925 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:49:06,925 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:49:06,926 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:49:06,926 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:49:06,928 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:49:06,928 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:49:06,928 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:49:06,929 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:49:06,929 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:49:06,929 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:49:06,929 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:49:06,930 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:49:06,930 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:49:06,931 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:49:06,931 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:49:06,931 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:49:06,932 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:49:06,932 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:49:06,932 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:49:06,933 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:49:06,933 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:49:06,933 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:49:06,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:06,934 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:49:06,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:49:06,934 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:49:06,934 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:49:06,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:49:06,936 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:49:06,936 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:49:06,936 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:49:06,937 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:49:06,937 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:49:07,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:49:07,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:49:07,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:49:07,235 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:49:07,235 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:49:07,237 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll_valuebound2.yml/witness-2.1.yml [2024-09-11 20:49:07,288 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:49:07,288 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:49:07,288 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c [2024-09-11 20:49:08,722 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:49:08,890 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:49:08,891 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c [2024-09-11 20:49:08,898 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ddd523d2b/a588d462f64646828959b050f0ddf804/FLAGb14d93d3b [2024-09-11 20:49:09,282 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ddd523d2b/a588d462f64646828959b050f0ddf804 [2024-09-11 20:49:09,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:49:09,284 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:49:09,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:09,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:49:09,291 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:49:09,291 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 08:49:07" (1/2) ... [2024-09-11 20:49:09,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28f1ad02 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:09, skipping insertion in model container [2024-09-11 20:49:09,292 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 08:49:07" (1/2) ... [2024-09-11 20:49:09,294 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1e97f19e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:09, skipping insertion in model container [2024-09-11 20:49:09,294 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:09" (2/2) ... [2024-09-11 20:49:09,296 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28f1ad02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:09, skipping insertion in model container [2024-09-11 20:49:09,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:09" (2/2) ... [2024-09-11 20:49:09,303 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:49:09,304 INFO L1541 ArrayList]: Loop invariant at [L35-L52] ((((((((((((0 <= x) && (p == 1)) && (b <= 1)) && (0 <= y)) && ((a + y) == ((((__int128) r * y) + b) + x))) && ((((__int128) r * y) + x) == a)) && (q == 0)) && (1 <= a)) && (x <= 2)) && (s == 1)) || ((((((((((0 <= x) && (p == 1)) && (b == y)) && (0 <= y)) && (b <= 2)) && (r == 0)) && (q == 0)) && (a == x)) && (x <= 2)) && (s == 1))) || ((((((((((0 <= x) && (p == 1)) && (y <= 2)) && (a <= 1)) && (0 <= y)) && (((a + y) + ((__int128) q * x)) == (b + x))) && (1 <= b)) && (r == 0)) && (a == x)) && (s == 1))) [2024-09-11 20:49:09,304 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:49:09,304 INFO L1541 ArrayList]: Function contract at [L7]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:49:09,326 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:49:09,472 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c[489,502] [2024-09-11 20:49:09,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:09,523 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:49:09,562 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c[489,502] Start Parsing Local [2024-09-11 20:49:09,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:09,591 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:49:09,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:09 WrapperNode [2024-09-11 20:49:09,592 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:09,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:49:09,593 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:49:09,594 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:49:09,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:09" (1/1) ... [2024-09-11 20:49:09,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:09" (1/1) ... [2024-09-11 20:49:09,616 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:09" (1/1) ... [2024-09-11 20:49:09,628 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 20:49:09,629 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:09" (1/1) ... [2024-09-11 20:49:09,629 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:09" (1/1) ... [2024-09-11 20:49:09,633 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:09" (1/1) ... [2024-09-11 20:49:09,636 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:09" (1/1) ... [2024-09-11 20:49:09,637 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:09" (1/1) ... [2024-09-11 20:49:09,638 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:09" (1/1) ... [2024-09-11 20:49:09,640 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:49:09,640 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:49:09,640 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:49:09,641 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:49:09,641 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:09" (1/1) ... [2024-09-11 20:49:09,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:09,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:49:09,677 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 20:49:09,679 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 20:49:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:49:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:49:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:49:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:49:09,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:49:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:49:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:49:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:49:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:49:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:49:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:49:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:49:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:49:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:49:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:49:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:49:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:49:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:49:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:49:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:49:09,812 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:49:09,813 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:49:09,999 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:49:10,052 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-09-11 20:49:10,052 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:49:10,074 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:49:10,075 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:49:10,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:10 BoogieIcfgContainer [2024-09-11 20:49:10,075 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:49:10,077 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:49:10,078 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:49:10,078 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:49:10,078 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 08:49:07" (1/4) ... [2024-09-11 20:49:10,079 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3de61cb5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:10, skipping insertion in model container [2024-09-11 20:49:10,079 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:49:09" (2/4) ... [2024-09-11 20:49:10,079 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3de61cb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:10, skipping insertion in model container [2024-09-11 20:49:10,080 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:09" (3/4) ... [2024-09-11 20:49:10,080 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3de61cb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:10, skipping insertion in model container [2024-09-11 20:49:10,080 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:10" (4/4) ... [2024-09-11 20:49:10,081 INFO L79 RefereeObserver]: Analyzing ICFG egcd-ll_valuebound2.c [2024-09-11 20:49:10,091 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:49:10,092 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 20:49:10,092 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:49:10,092 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-11 20:49:10,092 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-11 20:49:10,092 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:10,092 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-11 20:49:10,093 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-11 20:49:10,093 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 20:49:10,093 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 20:49:10,093 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 20:49:10,093 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-11 20:49:10,093 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:49:10,094 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 7 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-11 20:49:10,150 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:49:10,151 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:10,151 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:10,152 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:10,154 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:10,156 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:10,164 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:49:10,166 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:10,166 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:10,167 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:10,167 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:10,170 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:10,190 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:10,224 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:49:10,224 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:10,225 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:10,225 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:10,225 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:10,225 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:10,244 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:49:10,245 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:10,245 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:10,245 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:10,245 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:10,245 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:10,253 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:10,276 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-11 20:49:10,277 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:10,277 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:10,277 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:10,277 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:10,278 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:10,313 INFO L101 BaseMinimizeStates]: Removed 28 edges and 9 locations by large block encoding [2024-09-11 20:49:10,314 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:10,315 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:10,315 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:10,315 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:10,321 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:10,325 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:10,344 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:49:10,345 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:10,345 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:10,345 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:10,346 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:10,346 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:10,362 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-11 20:49:10,362 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:10,362 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:10,363 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:10,363 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:10,367 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:10,371 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:10,389 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:10,390 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:10,390 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:10,390 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:10,390 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:10,390 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:10,397 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:10,398 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:10,398 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:10,398 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:10,399 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:10,399 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:10,402 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:10,417 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-11 20:49:10,418 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:10,419 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:10,419 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:10,419 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:10,419 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:10,435 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-11 20:49:10,435 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:10,435 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:10,435 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:10,436 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:10,440 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:10,443 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:10,459 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:49:10,459 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:10,459 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:10,460 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:10,460 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:10,460 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:10,485 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-11 20:49:10,485 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:10,485 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:10,486 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:10,486 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:10,493 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:10,496 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:10,508 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:49:10,509 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:10,509 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:10,509 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:10,510 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:10,510 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:10,513 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:49:10,513 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:10,513 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:10,513 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:10,514 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:10,514 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:10,516 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:10,530 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:10,530 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:10,530 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:10,531 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:10,531 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:10,531 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:10,533 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:10,533 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:10,533 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:10,533 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:10,534 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:10,534 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:10,537 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:49:10,552 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:49:10,552 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:10,553 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:10,553 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:10,553 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:10,553 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:10,576 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:49:10,576 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:10,576 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:10,576 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:10,576 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:10,576 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:10,579 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:10,603 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-11 20:49:10,603 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:10,603 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:10,603 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:10,603 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:10,604 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:10,642 INFO L101 BaseMinimizeStates]: Removed 16 edges and 7 locations by large block encoding [2024-09-11 20:49:10,642 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:10,643 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:10,643 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:10,643 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:10,651 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:10,657 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:10,668 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:10,668 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:10,668 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:10,668 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:10,669 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:10,669 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:10,679 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:10,679 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:10,679 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:10,679 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:10,679 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:10,679 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:10,682 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:10,687 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:49:10,688 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3de61cb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:49:10, skipping insertion in model container [2024-09-11 20:49:10,688 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:49:10,689 INFO L158 Benchmark]: Toolchain (without parser) took 1405.07ms. Allocated memory is still 184.5MB. Free memory was 133.1MB in the beginning and 129.6MB in the end (delta: 3.5MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-09-11 20:49:10,690 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 100.7MB. Free memory was 62.7MB in the beginning and 62.6MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:10,691 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 100.7MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:10,692 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.99ms. Allocated memory is still 184.5MB. Free memory was 132.7MB in the beginning and 118.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:49:10,692 INFO L158 Benchmark]: Boogie Preprocessor took 46.38ms. Allocated memory is still 184.5MB. Free memory was 118.4MB in the beginning and 116.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:49:10,693 INFO L158 Benchmark]: RCFGBuilder took 436.59ms. Allocated memory is still 184.5MB. Free memory was 116.2MB in the beginning and 141.4MB in the end (delta: -25.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-11 20:49:10,695 INFO L158 Benchmark]: Referee took 610.43ms. Allocated memory is still 184.5MB. Free memory was 141.4MB in the beginning and 129.6MB in the end (delta: 11.8MB). Peak memory consumption was 74.6MB. Max. memory is 16.1GB. [2024-09-11 20:49:10,698 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 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 55. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 35. 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 entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 56. 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 36. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 54. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 100.7MB. Free memory was 62.7MB in the beginning and 62.6MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 100.7MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.99ms. Allocated memory is still 184.5MB. Free memory was 132.7MB in the beginning and 118.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.38ms. Allocated memory is still 184.5MB. Free memory was 118.4MB in the beginning and 116.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 436.59ms. Allocated memory is still 184.5MB. Free memory was 116.2MB in the beginning and 141.4MB in the end (delta: -25.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 610.43ms. Allocated memory is still 184.5MB. Free memory was 141.4MB in the beginning and 129.6MB in the end (delta: 11.8MB). Peak memory consumption was 74.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:49:10,726 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/egcd-ll_valuebound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll_valuebound2.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 20:49:13,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:49:13,120 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:49:13,129 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:49:13,129 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:49:13,161 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:49:13,163 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:49:13,163 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:49:13,164 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:49:13,165 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:49:13,166 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:49:13,166 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:49:13,167 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:49:13,169 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:49:13,170 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:49:13,170 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:49:13,170 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:49:13,171 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:49:13,171 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:49:13,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:49:13,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:49:13,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:49:13,175 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:49:13,176 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:49:13,176 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:49:13,176 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:49:13,176 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:49:13,177 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:49:13,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:49:13,177 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:49:13,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:49:13,178 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:49:13,178 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:49:13,178 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:49:13,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:13,178 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:49:13,179 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:49:13,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:49:13,179 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:49:13,179 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:49:13,180 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:49:13,180 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:49:13,180 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:49:13,180 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:49:13,181 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:49:13,181 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:49:13,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:49:13,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:49:13,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:49:13,505 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:49:13,505 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:49:13,506 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c [2024-09-11 20:49:14,971 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:49:15,181 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:49:15,181 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c [2024-09-11 20:49:15,187 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d7671d515/f7bd23c10b4f4b5d94ef93a6c03bbbc5/FLAG6713ecb53 [2024-09-11 20:49:15,199 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d7671d515/f7bd23c10b4f4b5d94ef93a6c03bbbc5 [2024-09-11 20:49:15,202 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:49:15,203 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:49:15,204 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll_valuebound2.yml/witness-2.1.yml [2024-09-11 20:49:15,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:49:15,257 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:49:15,259 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:15,259 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:49:15,264 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:49:15,265 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:15" (1/2) ... [2024-09-11 20:49:15,266 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b6abce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:15, skipping insertion in model container [2024-09-11 20:49:15,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:15" (1/2) ... [2024-09-11 20:49:15,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3d109c6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:15, skipping insertion in model container [2024-09-11 20:49:15,270 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 08:49:15" (2/2) ... [2024-09-11 20:49:15,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b6abce and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:15, skipping insertion in model container [2024-09-11 20:49:15,271 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 08:49:15" (2/2) ... [2024-09-11 20:49:15,280 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:49:15,281 INFO L1541 ArrayList]: Loop invariant at [L35-L52] ((((((((((((0 <= x) && (p == 1)) && (b <= 1)) && (0 <= y)) && ((a + y) == ((((__int128) r * y) + b) + x))) && ((((__int128) r * y) + x) == a)) && (q == 0)) && (1 <= a)) && (x <= 2)) && (s == 1)) || ((((((((((0 <= x) && (p == 1)) && (b == y)) && (0 <= y)) && (b <= 2)) && (r == 0)) && (q == 0)) && (a == x)) && (x <= 2)) && (s == 1))) || ((((((((((0 <= x) && (p == 1)) && (y <= 2)) && (a <= 1)) && (0 <= y)) && (((a + y) + ((__int128) q * x)) == (b + x))) && (1 <= b)) && (r == 0)) && (a == x)) && (s == 1))) [2024-09-11 20:49:15,281 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:49:15,281 INFO L1541 ArrayList]: Function contract at [L7]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:49:15,299 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:49:15,465 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c[489,502] [2024-09-11 20:49:15,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:15,511 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:49:15,550 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c[489,502] Start Parsing Local [2024-09-11 20:49:15,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:15,587 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:49:15,587 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:15 WrapperNode [2024-09-11 20:49:15,588 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:15,589 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:49:15,589 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:49:15,589 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:49:15,602 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 08:49:15" (1/1) ... [2024-09-11 20:49:15,602 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 08:49:15" (1/1) ... [2024-09-11 20:49:15,613 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 08:49:15" (1/1) ... [2024-09-11 20:49:15,627 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 20:49:15,627 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 08:49:15" (1/1) ... [2024-09-11 20:49:15,627 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 08:49:15" (1/1) ... [2024-09-11 20:49:15,638 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 08:49:15" (1/1) ... [2024-09-11 20:49:15,643 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 08:49:15" (1/1) ... [2024-09-11 20:49:15,648 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 08:49:15" (1/1) ... [2024-09-11 20:49:15,649 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 08:49:15" (1/1) ... [2024-09-11 20:49:15,655 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:49:15,656 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:49:15,656 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:49:15,656 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:49:15,657 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 08:49:15" (1/1) ... [2024-09-11 20:49:15,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:15,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:49:15,688 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 20:49:15,694 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 20:49:15,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:49:15,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:49:15,797 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:49:15,798 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:49:15,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:49:15,798 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:49:15,798 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:49:15,798 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:49:15,798 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:49:15,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:49:15,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:49:15,802 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:49:15,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:49:15,803 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:49:15,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:49:15,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:49:15,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:49:15,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:49:15,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:49:15,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:49:15,867 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:49:15,870 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:49:18,291 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:49:18,371 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-09-11 20:49:18,371 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:49:18,396 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:49:18,397 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:49:18,398 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:18 BoogieIcfgContainer [2024-09-11 20:49:18,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:49:18,399 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:49:18,399 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:49:18,400 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:49:18,400 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:49:15" (1/4) ... [2024-09-11 20:49:18,401 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2b0b82ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:18, skipping insertion in model container [2024-09-11 20:49:18,401 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 08:49:15" (2/4) ... [2024-09-11 20:49:18,402 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2b0b82ba and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:18, skipping insertion in model container [2024-09-11 20:49:18,403 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 08:49:15" (3/4) ... [2024-09-11 20:49:18,403 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2b0b82ba and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:18, skipping insertion in model container [2024-09-11 20:49:18,403 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 08:49:18" (4/4) ... [2024-09-11 20:49:18,404 INFO L79 RefereeObserver]: Analyzing ICFG egcd-ll_valuebound2.c [2024-09-11 20:49:18,408 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:49:18,409 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 20:49:18,409 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:49:18,409 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-11 20:49:18,410 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-11 20:49:18,410 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:18,410 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-11 20:49:18,410 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-11 20:49:18,410 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 20:49:18,410 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 20:49:18,411 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 20:49:18,411 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-11 20:49:18,411 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:49:18,411 INFO L130 InvariantChecker]: Will check 7 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:49:18,470 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:49:18,472 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:18,472 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:18,473 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:18,474 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:18,476 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:18,495 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:49:18,497 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:18,498 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:18,498 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:18,499 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:18,502 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:18,520 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:18,568 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:49:18,570 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:18,570 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:18,571 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:18,571 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:18,571 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:18,597 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:49:18,599 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:18,599 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:18,600 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:18,600 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:18,600 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:22,776 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:22,854 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-11 20:49:22,855 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:22,855 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:22,855 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:22,855 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:22,856 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:22,904 INFO L101 BaseMinimizeStates]: Removed 28 edges and 9 locations by large block encoding [2024-09-11 20:49:22,905 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:22,905 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:22,905 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:22,906 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:22,913 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:23,094 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:23,166 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:49:23,166 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:23,166 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:23,166 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:23,166 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:23,167 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:23,195 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-11 20:49:23,196 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:23,196 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:23,196 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:23,196 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:23,201 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:23,512 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:23,584 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:23,585 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:23,585 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:23,586 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:23,586 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:23,586 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:23,591 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:23,591 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:23,592 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:23,592 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:23,592 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:23,593 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:23,870 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:23,930 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-11 20:49:23,930 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:23,931 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:23,931 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:23,931 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:23,931 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:23,944 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-11 20:49:23,945 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:23,945 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:23,945 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:23,945 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:23,949 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:23,952 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:23,963 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:49:23,963 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:23,964 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:23,964 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:23,964 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:23,964 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:23,995 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-11 20:49:23,996 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:23,996 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:23,996 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:23,996 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:24,000 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:24,430 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:24,500 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:49:24,500 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:24,500 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:24,501 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:24,501 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:24,501 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:24,503 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:49:24,503 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:24,503 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:24,503 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:24,504 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:24,504 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:24,506 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:24,514 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:24,515 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:24,515 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:24,515 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:24,515 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:24,515 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:24,516 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:24,517 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:24,517 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:24,517 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:24,517 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:24,517 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:24,522 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:49:24,533 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:49:24,533 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:24,534 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:24,534 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:24,534 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:24,535 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:24,554 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:49:24,555 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:24,555 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:24,555 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:24,555 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:24,555 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:24,560 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:24,572 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-11 20:49:24,572 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:24,572 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:24,573 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:24,573 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:24,573 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:24,609 INFO L101 BaseMinimizeStates]: Removed 16 edges and 7 locations by large block encoding [2024-09-11 20:49:24,609 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:24,609 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:24,610 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:24,610 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:24,617 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:29,011 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:29,139 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:29,139 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:29,139 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:29,139 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:29,140 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:29,140 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:29,150 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:29,150 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:29,150 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:29,150 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:29,150 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:29,151 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:33,370 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:33,434 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:49:33,434 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2b0b82ba and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:49:33, skipping insertion in model container [2024-09-11 20:49:33,434 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:49:33,436 INFO L158 Benchmark]: Toolchain (without parser) took 18178.35ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 53.7MB in the beginning and 52.5MB in the end (delta: 1.2MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2024-09-11 20:49:33,436 INFO L158 Benchmark]: CDTParser took 0.94ms. Allocated memory is still 77.6MB. Free memory is still 58.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:33,437 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 77.6MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:33,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.22ms. Allocated memory is still 77.6MB. Free memory was 53.4MB in the beginning and 38.8MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:49:33,438 INFO L158 Benchmark]: Boogie Preprocessor took 66.16ms. Allocated memory is still 77.6MB. Free memory was 38.8MB in the beginning and 36.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:49:33,438 INFO L158 Benchmark]: RCFGBuilder took 2742.59ms. Allocated memory is still 77.6MB. Free memory was 36.4MB in the beginning and 38.7MB in the end (delta: -2.3MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-09-11 20:49:33,439 INFO L158 Benchmark]: Referee took 15035.85ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 38.7MB in the beginning and 53.2MB in the end (delta: -14.5MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2024-09-11 20:49:33,441 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 56. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 54. Annotation is valid for all loop-free paths from 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 55. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure __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 main to loop head at line 35. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94ms. Allocated memory is still 77.6MB. Free memory is still 58.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 77.6MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.22ms. Allocated memory is still 77.6MB. Free memory was 53.4MB in the beginning and 38.8MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.16ms. Allocated memory is still 77.6MB. Free memory was 38.8MB in the beginning and 36.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2742.59ms. Allocated memory is still 77.6MB. Free memory was 36.4MB in the beginning and 38.7MB in the end (delta: -2.3MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Referee took 15035.85ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 38.7MB in the beginning and 53.2MB in the end (delta: -14.5MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:49:33,549 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN