./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd3-ll_valuebound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ca4ee3dd Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd3-ll_valuebound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:10:42,629 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:10:42,716 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:10:42,732 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:10:42,733 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:10:42,767 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:10:42,768 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:10:42,768 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:10:42,769 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:10:42,770 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:10:42,771 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:10:42,771 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:10:42,772 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:10:42,772 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:10:42,774 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:10:42,775 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:10:42,775 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:10:42,775 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:10:42,775 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:10:42,776 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:10:42,776 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:10:42,780 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:10:42,780 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:10:42,781 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:10:42,781 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:10:42,781 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:10:42,781 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:10:42,781 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:10:42,782 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:10:42,782 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:10:42,782 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:10:42,782 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:10:42,782 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:10:42,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:42,784 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:10:42,784 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:10:42,785 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:10:42,785 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:10:42,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:10:42,786 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:10:42,786 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:10:42,786 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:10:42,787 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:10:42,787 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:10:43,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:10:43,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:10:43,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:10:43,077 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:10:43,078 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:10:43,080 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd3-ll_valuebound1.yml/witness-2.1.yml [2024-09-20 20:10:43,148 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:10:43,148 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:10:43,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c [2024-09-20 20:10:44,600 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:10:44,810 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:10:44,811 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c [2024-09-20 20:10:44,820 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/99f6b2540/5c13ce6a5d5d4779b35d19c129bac432/FLAGd2d3e2193 [2024-09-20 20:10:44,839 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/99f6b2540/5c13ce6a5d5d4779b35d19c129bac432 [2024-09-20 20:10:44,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:10:44,841 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:10:44,845 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:44,845 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:10:44,850 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:10:44,851 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:43" (1/2) ... [2024-09-20 20:10:44,854 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79473361 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:44, skipping insertion in model container [2024-09-20 20:10:44,854 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:43" (1/2) ... [2024-09-20 20:10:44,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1321917a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:44, skipping insertion in model container [2024-09-20 20:10:44,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:44" (2/2) ... [2024-09-20 20:10:44,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79473361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:44, skipping insertion in model container [2024-09-20 20:10:44,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:44" (2/2) ... [2024-09-20 20:10:44,868 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:10:44,869 INFO L1541 ArrayList]: Loop invariant at [L42-L62] (((((((((((a == 1) && (r == 0)) && (b == 1)) && (y == 1)) && (s == 1)) && (x == 1)) && (k == 1)) && (q == 0)) && (c == 0)) && (p == 1)) || ((((((((((a == 1) && (r == 0)) && (b == 1)) && (y == 1)) && (k == 0)) && (s == 1)) && (x == 1)) && (q == 0)) && (c == 1)) && (p == 1))) [2024-09-20 20:10:44,869 INFO L1541 ArrayList]: Loop invariant at [L35-L73] (((((((((a == 1) && (b == 0)) && (p == 0)) && (y == 1)) && (r == 1)) && (x == 1)) && (q == 1)) && (((__int128) s + 1) == 0)) || ((((((((a == 1) && (r == 0)) && (b == 1)) && (y == 1)) && (s == 1)) && (x == 1)) && (q == 0)) && (p == 1))) [2024-09-20 20:10:44,869 INFO L1541 ArrayList]: Loop invariant at [L49-L59] ((((((((((((a == 1) && (r == 0)) && (y == 1)) && (k == 0)) && (s == 1)) && (v == 1)) && (b == y)) && (d == 1)) && (q == 0)) && (a == x)) && (c == x)) && (p == 1)) [2024-09-20 20:10:44,870 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:10:44,870 INFO L1541 ArrayList]: Function contract at [L7]: requires null, ensures (\old(cond) != 0) [2024-09-20 20:10:44,892 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:10:45,067 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c[490,503] [2024-09-20 20:10:45,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:45,108 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:10:45,145 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c[490,503] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-20 20:10:45,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:45,187 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:10:45,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:45 WrapperNode [2024-09-20 20:10:45,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:45,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:10:45,189 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:10:45,189 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:10:45,203 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:45" (1/1) ... [2024-09-20 20:10:45,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:45" (1/1) ... [2024-09-20 20:10:45,208 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:45" (1/1) ... [2024-09-20 20:10:45,220 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 [2024-09-20 20:10:45,220 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:45" (1/1) ... [2024-09-20 20:10:45,220 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:45" (1/1) ... [2024-09-20 20:10:45,227 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:45" (1/1) ... [2024-09-20 20:10:45,233 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:45" (1/1) ... [2024-09-20 20:10:45,235 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:45" (1/1) ... [2024-09-20 20:10:45,236 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:45" (1/1) ... [2024-09-20 20:10:45,238 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:10:45,239 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:10:45,239 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:10:45,239 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:10:45,240 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:45" (1/1) ... [2024-09-20 20:10:45,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:45,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:10:45,267 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 20:10:45,270 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 20:10:45,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:10:45,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:10:45,324 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:10:45,324 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:10:45,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:10:45,324 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:10:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:10:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:10:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:10:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:10:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 20:10:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:10:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:10:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:10:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:10:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:10:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:10:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:10:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:10:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:10:45,390 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:10:45,393 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:10:45,598 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:45,623 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:10:45,652 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:10:45,652 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-20 20:10:45,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:45 BoogieIcfgContainer [2024-09-20 20:10:45,653 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:10:45,654 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:10:45,654 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:10:45,655 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:10:45,655 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:43" (1/4) ... [2024-09-20 20:10:45,657 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a8ed168 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:10:45, skipping insertion in model container [2024-09-20 20:10:45,657 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:10:44" (2/4) ... [2024-09-20 20:10:45,657 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a8ed168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:10:45, skipping insertion in model container [2024-09-20 20:10:45,658 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:45" (3/4) ... [2024-09-20 20:10:45,658 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a8ed168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:10:45, skipping insertion in model container [2024-09-20 20:10:45,658 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:45" (4/4) ... [2024-09-20 20:10:45,660 INFO L79 RefereeObserver]: Analyzing ICFG egcd3-ll_valuebound1.c [2024-09-20 20:10:45,663 INFO L113 InvariantChecker]: Found 3 loops. [2024-09-20 20:10:45,664 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:10:45,664 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 20:10:45,664 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:10:45,664 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-3 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-20 20:10:45,665 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:10:45,665 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:10:45,665 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-20 20:10:45,665 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-20 20:10:45,665 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-20 20:10:45,666 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:10:45,666 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-20 20:10:45,666 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 20:10:45,666 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:45,667 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:45,667 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 5 loop-free subgraphs from loop head to error location, 5 loop-free subgraphs from loop head to loop head [2024-09-20 20:10:45,730 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:10:45,731 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:45,732 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:45,732 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:45,733 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:45,735 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:45,746 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:10:45,748 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:45,748 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:45,748 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:45,749 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:45,752 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:45,771 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:45,801 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-20 20:10:45,801 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:45,801 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:45,801 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:45,802 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:45,802 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:45,831 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-20 20:10:45,833 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:45,834 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:45,834 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:45,834 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:45,834 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:45,843 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:45,917 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 20:10:45,925 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:45,925 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:45,926 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:45,926 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:45,926 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:45,954 INFO L101 BaseMinimizeStates]: Removed 14 edges and 4 locations by large block encoding [2024-09-20 20:10:45,954 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:45,954 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:45,955 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:45,955 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:45,959 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:45,965 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:46,016 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-20 20:10:46,017 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:46,017 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:46,017 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:46,018 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:46,018 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:46,036 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-20 20:10:46,037 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:46,037 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:46,038 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:46,038 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:46,042 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:46,045 INFO L520 InvariantChecker]: The annotation(s) from loop head L35-3 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:46,063 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:10:46,064 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:46,064 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:46,065 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:46,065 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:46,065 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:46,074 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:10:46,074 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:46,074 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:46,075 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:46,075 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:46,075 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:46,079 INFO L520 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:46,093 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:10:46,094 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:46,094 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:46,094 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:46,094 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:46,094 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:46,099 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:10:46,099 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:46,099 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:46,100 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:46,100 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:46,100 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:46,102 INFO L520 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:46,115 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-20 20:10:46,116 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:46,116 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:46,116 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:46,116 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:46,116 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:46,126 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-20 20:10:46,126 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:46,126 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:46,127 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:46,127 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:46,127 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:46,129 INFO L520 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:46,140 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:10:46,140 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:46,140 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:46,141 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:46,141 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:46,141 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:46,147 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:10:46,147 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:46,147 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:46,148 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:46,148 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:46,148 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:46,151 INFO L520 InvariantChecker]: The annotation(s) from loop head L35-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:46,165 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-20 20:10:46,166 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:46,166 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:46,166 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:46,166 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:46,167 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:46,186 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-20 20:10:46,187 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:46,187 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:46,187 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:46,187 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:46,190 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:46,193 INFO L520 InvariantChecker]: The annotation(s) from loop head L49-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:46,205 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:10:46,206 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:46,206 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:46,206 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:46,206 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:46,206 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:46,209 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:10:46,209 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:46,209 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:46,209 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:46,209 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:46,210 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:46,213 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:46,224 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:10:46,224 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:46,224 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:46,225 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:46,225 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:46,225 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:46,229 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:10:46,229 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:46,229 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:46,230 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:46,230 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:46,230 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:46,234 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:46,245 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-20 20:10:46,246 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:46,246 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:46,246 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:46,246 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:46,247 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:46,268 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-20 20:10:46,268 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:46,268 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:46,269 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:46,269 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:46,269 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:46,273 INFO L520 InvariantChecker]: The annotation(s) from loop head L49-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:46,283 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:46,283 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:46,284 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:46,284 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:46,285 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:46,285 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:46,286 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:46,286 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:46,286 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:46,286 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:46,286 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:46,287 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:46,289 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:10:46,298 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:46,298 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:46,299 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:46,299 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:46,299 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:46,299 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:46,302 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:46,302 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:46,302 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:46,302 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:46,302 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:46,302 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:46,306 INFO L520 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:46,310 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 20:10:46,311 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a8ed168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:10:46, skipping insertion in model container [2024-09-20 20:10:46,312 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:10:46,313 INFO L158 Benchmark]: Toolchain (without parser) took 1471.80ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 47.2MB in the end (delta: 42.3MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-09-20 20:10:46,314 INFO L158 Benchmark]: Witness Parser took 0.22ms. Allocated memory is still 142.6MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:46,326 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 107.8MB in the end (delta: 133.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:46,326 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.42ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 75.3MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 20:10:46,327 INFO L158 Benchmark]: Boogie Preprocessor took 49.31ms. Allocated memory is still 142.6MB. Free memory was 75.3MB in the beginning and 72.7MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-20 20:10:46,329 INFO L158 Benchmark]: RCFGBuilder took 414.26ms. Allocated memory is still 142.6MB. Free memory was 72.7MB in the beginning and 55.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-20 20:10:46,329 INFO L158 Benchmark]: Referee took 657.74ms. Allocated memory is still 142.6MB. Free memory was 55.9MB in the beginning and 47.2MB in the end (delta: 8.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-20 20:10:46,333 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 42 to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 42 to loop head at line 49. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 42. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from 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 49 to check that procedure precondition always holds at line 50. Annotation is valid for all loop-free paths from loop head at line 49 to loop head at line 42. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 49 to check that procedure precondition always holds at line 51. Annotation is valid for all loop-free paths from loop head at line 49 to check that procedure precondition always holds at line 50. Annotation is valid for all loop-free paths from loop head at line 49 to check that procedure precondition always holds at line 52. Annotation is valid for all loop-free paths from loop head at line 49 to loop head at line 49. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.22ms. Allocated memory is still 142.6MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.44ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 107.8MB in the end (delta: 133.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.42ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 75.3MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.31ms. Allocated memory is still 142.6MB. Free memory was 75.3MB in the beginning and 72.7MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 414.26ms. Allocated memory is still 142.6MB. Free memory was 72.7MB in the beginning and 55.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 657.74ms. Allocated memory is still 142.6MB. Free memory was 55.9MB in the beginning and 47.2MB in the end (delta: 8.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 20:10:46,365 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: TRUE