./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd2-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/egcd2-ll_valuebound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd2-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 20:49:18,644 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:49:18,713 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:49:18,719 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:49:18,721 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:49:18,759 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:49:18,759 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:49:18,760 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:49:18,760 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:49:18,762 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:49:18,763 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:49:18,763 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:49:18,763 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:49:18,764 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:49:18,766 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:49:18,766 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:49:18,766 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:49:18,767 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:49:18,767 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:49:18,767 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:49:18,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:49:18,770 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:49:18,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:49:18,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:49:18,771 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:49:18,771 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:49:18,783 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:49:18,783 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:49:18,783 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:49:18,784 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:49:18,784 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:49:18,784 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:49:18,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:18,784 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:49:18,785 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:49:18,785 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:49:18,785 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:49:18,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:49:18,785 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:49:18,786 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:49:18,786 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:49:18,788 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:49:18,788 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:49:19,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:49:19,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:49:19,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:49:19,054 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:49:19,055 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:49:19,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd2-ll_valuebound2.yml/witness-2.1.yml [2024-09-11 20:49:19,118 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:49:19,119 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:49:19,119 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound2.c [2024-09-11 20:49:20,622 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:49:20,853 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:49:20,855 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound2.c [2024-09-11 20:49:20,861 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ba5259d1f/2a41972bd08a42f4a29624787ef23d24/FLAG842bd3c93 [2024-09-11 20:49:20,875 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ba5259d1f/2a41972bd08a42f4a29624787ef23d24 [2024-09-11 20:49:20,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:49:20,877 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:49:20,879 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:20,879 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:49:20,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:49:20,885 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 08:49:19" (1/2) ... [2024-09-11 20:49:20,886 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@307c7527 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:20, skipping insertion in model container [2024-09-11 20:49:20,886 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 08:49:19" (1/2) ... [2024-09-11 20:49:20,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@628ccf70 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:20, skipping insertion in model container [2024-09-11 20:49:20,888 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:20" (2/2) ... [2024-09-11 20:49:20,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@307c7527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:20, skipping insertion in model container [2024-09-11 20:49:20,889 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:20" (2/2) ... [2024-09-11 20:49:20,902 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:49:20,903 INFO L1541 ArrayList]: Loop invariant at [L41-L68] (((((((((((((b == 1) && (yy == ((long long) y * y))) && (p == 0)) && (2 == y)) && (x == 1)) && (q == 1)) && (s == 0)) && (r == 1)) && (2 == a)) && (xy == y)) || ((((((((((long long) x + 1) <= y) && (y <= 2)) && (((__int128) b + 1) <= a)) && ((2 + q) == 0)) && (y == (((long long) 2 * x) + b))) && ((((__int128) r * y) + ((__int128) p * x)) == a)) && (((__int128) a + 1) <= y)) && (s == 1))) || ((((((((((((yy == ((long long) y * y)) && (p == 1)) && (1 <= y)) && (b == y)) && (b <= 2)) && (r == 0)) && (q == 0)) && (1 <= x)) && (xy == ((long long) x * y))) && (a == x)) && (x <= 2)) && (s == 1))) || (((((((((p == 0) && (y <= 2)) && (a == y)) && (b == 0)) && (1 <= a)) && (1 <= x)) && (r == 1)) && (x <= 2)) && ((((__int128) s * y) + ((__int128) q * x)) == 0))) [2024-09-11 20:49:20,903 INFO L1541 ArrayList]: Loop invariant at [L47-L56] (((((((((((((((((((yy == ((long long) y * y)) && (p == 1)) && (1 <= y)) && (a == c)) && (b == y)) && (b <= 2)) && (r == 0)) && (q == 0)) && (k == 0)) && (1 <= x)) && (xy == ((long long) x * y))) && (a == x)) && (x <= 2)) && (s == 1)) || ((((((((((((b == 1) && (2 == xy)) && (p == 0)) && (2 == y)) && (x == 1)) && (q == 1)) && (k == 0)) && (s == 0)) && (r == 1)) && (2 == a)) && (yy == 4)) && (2 == c))) || (((((((((((((k == 1) && (yy == ((long long) y * y))) && (p == 1)) && (1 <= y)) && (b == y)) && (0 <= c)) && (r == 0)) && (q == 0)) && (xy == ((long long) x * y))) && (a == x)) && (x <= 2)) && (s == 1)) && ((b + c) == x))) || ((((((((((((c == 0) && (b == 1)) && (2 == xy)) && (p == 0)) && (2 == y)) && (x == 1)) && (q == 1)) && (s == 0)) && (r == 1)) && (2 == a)) && (yy == 4)) && (2 == k))) || (((((((((((((c == 0) && (a == (c + ((__int128) b * k)))) && (yy == ((long long) y * y))) && (p == 1)) && (1 <= y)) && (b == y)) && (r == 0)) && (q == 0)) && (1 <= x)) && (xy == ((long long) x * y))) && (x == (c + ((__int128) b * k)))) && (x <= 2)) && (s == 1))) || ((((((((((((k == 1) && (b == 1)) && (2 == xy)) && (p == 0)) && (c == 1)) && (2 == y)) && (x == 1)) && (q == 1)) && (s == 0)) && (r == 1)) && (2 == a)) && (yy == 4))) [2024-09-11 20:49:20,903 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:49:20,908 INFO L1541 ArrayList]: Function contract at [L7]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:49:20,930 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:49:21,093 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/egcd2-ll_valuebound2.c[490,503] [2024-09-11 20:49:21,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:21,144 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:49:21,184 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/egcd2-ll_valuebound2.c[490,503] Start Parsing Local Start Parsing Local [2024-09-11 20:49:21,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:21,246 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:49:21,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:21 WrapperNode [2024-09-11 20:49:21,247 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:21,248 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:49:21,249 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:49:21,249 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:49:21,263 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:21" (1/1) ... [2024-09-11 20:49:21,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:21" (1/1) ... [2024-09-11 20:49:21,276 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:21" (1/1) ... [2024-09-11 20:49:21,296 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 20:49:21,300 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:21" (1/1) ... [2024-09-11 20:49:21,301 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:21" (1/1) ... [2024-09-11 20:49:21,315 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:21" (1/1) ... [2024-09-11 20:49:21,319 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:21" (1/1) ... [2024-09-11 20:49:21,325 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:21" (1/1) ... [2024-09-11 20:49:21,326 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:21" (1/1) ... [2024-09-11 20:49:21,332 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:49:21,333 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:49:21,336 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:49:21,336 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:49:21,337 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:21" (1/1) ... [2024-09-11 20:49:21,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:21,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:49:21,373 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 20:49:21,375 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 20:49:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:49:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:49:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:49:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:49:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:49:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:49:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:49:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:49:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:49:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:49:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:49:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:49:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:49:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:49:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:49:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:49:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:49:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:49:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:49:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:49:21,501 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:49:21,503 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:49:21,775 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:49:21,838 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2024-09-11 20:49:21,838 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:49:21,864 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:49:21,865 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-11 20:49:21,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:21 BoogieIcfgContainer [2024-09-11 20:49:21,865 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:49:21,866 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:49:21,866 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:49:21,870 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:49:21,870 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 08:49:19" (1/4) ... [2024-09-11 20:49:21,871 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6f66c0c6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:21, skipping insertion in model container [2024-09-11 20:49:21,871 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:49:20" (2/4) ... [2024-09-11 20:49:21,871 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6f66c0c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:21, skipping insertion in model container [2024-09-11 20:49:21,871 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:21" (3/4) ... [2024-09-11 20:49:21,872 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6f66c0c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:21, skipping insertion in model container [2024-09-11 20:49:21,872 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:21" (4/4) ... [2024-09-11 20:49:21,873 INFO L79 RefereeObserver]: Analyzing ICFG egcd2-ll_valuebound2.c [2024-09-11 20:49:21,876 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-11 20:49:21,877 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 20:49:21,877 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:21,877 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:49:21,877 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:49:21,878 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-11 20:49:21,878 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-11 20:49:21,878 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:49:21,878 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:49:21,878 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:49:21,878 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:49:21,878 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 20:49:21,879 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 20:49:21,879 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:49:21,879 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 6 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head [2024-09-11 20:49:21,948 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:49:21,949 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:21,950 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:21,950 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:21,951 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:21,953 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:21,960 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:49:21,962 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:21,962 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:21,962 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:21,962 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:21,967 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:21,986 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:22,024 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:22,025 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:22,026 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:22,026 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:22,026 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:22,026 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:22,039 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:22,039 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:22,040 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:22,040 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:22,040 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:22,040 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:22,047 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:22,084 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:49:22,084 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:22,085 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:22,085 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:22,085 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:22,086 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:22,110 INFO L101 BaseMinimizeStates]: Removed 14 edges and 4 locations by large block encoding [2024-09-11 20:49:22,110 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:22,110 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:22,111 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:22,111 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:22,116 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:22,121 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:22,142 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:49:22,143 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:22,143 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:22,143 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:22,143 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:22,143 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:22,181 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:49:22,181 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:22,192 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:22,192 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:22,193 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:22,193 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:22,201 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:22,226 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-11 20:49:22,226 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:22,226 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:22,227 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:22,227 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:22,228 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:22,260 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-11 20:49:22,260 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:22,261 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:22,261 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:22,261 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:22,262 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:22,266 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:22,289 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:49:22,291 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:22,291 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:22,292 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:22,292 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:22,292 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:22,340 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-11 20:49:22,340 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:22,340 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:22,341 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:22,341 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:22,350 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:22,363 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:22,387 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:49:22,387 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:22,387 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:22,387 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:22,388 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:22,388 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:22,404 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:49:22,404 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:22,405 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:22,405 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:22,405 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:22,406 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:22,410 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:22,432 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:49:22,432 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:22,433 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:22,434 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:22,434 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:22,435 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:22,466 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:49:22,466 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:22,467 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:22,467 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:22,467 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:22,468 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:22,474 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:22,494 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:22,495 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:22,495 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:22,495 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:22,496 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:22,496 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:22,510 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:22,510 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:22,511 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:22,511 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:22,511 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:22,511 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:22,517 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:22,532 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-11 20:49:22,532 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:22,532 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:22,532 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:22,533 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:22,533 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:22,552 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-11 20:49:22,553 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:22,553 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:22,553 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:22,553 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:22,557 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:22,561 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:22,577 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:49:22,579 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:22,579 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:22,579 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:22,579 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:22,579 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:22,582 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:49:22,582 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:22,582 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:22,583 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:22,583 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:22,584 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:22,586 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:22,601 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:22,601 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:22,601 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:22,601 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:22,602 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:22,602 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:22,603 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:22,603 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:22,603 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:22,603 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:22,603 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:22,604 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:22,605 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:49:22,618 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:49:22,619 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:22,619 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:22,619 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:22,619 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:22,619 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:22,639 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:49:22,640 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:22,640 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:22,640 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:22,640 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:22,640 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:22,650 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:22,655 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:49:22,658 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6f66c0c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:49:22, skipping insertion in model container [2024-09-11 20:49:22,660 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:49:22,662 INFO L158 Benchmark]: Toolchain (without parser) took 1784.17ms. Allocated memory was 153.1MB in the beginning and 201.3MB in the end (delta: 48.2MB). Free memory was 121.4MB in the beginning and 166.3MB in the end (delta: -45.0MB). Peak memory consumption was 98.2MB. Max. memory is 16.1GB. [2024-09-11 20:49:22,665 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 153.1MB. Free memory is still 119.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:22,666 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 153.1MB. Free memory is still 117.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:22,666 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.99ms. Allocated memory is still 153.1MB. Free memory was 121.4MB in the beginning and 106.4MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:49:22,667 INFO L158 Benchmark]: Boogie Preprocessor took 84.03ms. Allocated memory is still 153.1MB. Free memory was 106.4MB in the beginning and 103.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-11 20:49:22,672 INFO L158 Benchmark]: RCFGBuilder took 532.07ms. Allocated memory is still 153.1MB. Free memory was 103.7MB in the beginning and 81.6MB in the end (delta: 22.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-11 20:49:22,672 INFO L158 Benchmark]: Referee took 793.92ms. Allocated memory was 153.1MB in the beginning and 201.3MB in the end (delta: 48.2MB). Free memory was 81.6MB in the beginning and 166.3MB in the end (delta: -84.8MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-09-11 20:49:22,676 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 47 to check that procedure precondition always holds at line 50. Annotation is valid for all loop-free paths from loop head at line 47 to loop head at line 47. 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 41 to loop head at line 47. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from loop head at line 47 to loop head at line 41. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 71. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 41. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __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 47 to check that procedure precondition always holds at line 49. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 153.1MB. Free memory is still 119.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 153.1MB. Free memory is still 117.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.99ms. Allocated memory is still 153.1MB. Free memory was 121.4MB in the beginning and 106.4MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.03ms. Allocated memory is still 153.1MB. Free memory was 106.4MB in the beginning and 103.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 532.07ms. Allocated memory is still 153.1MB. Free memory was 103.7MB in the beginning and 81.6MB in the end (delta: 22.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Referee took 793.92ms. Allocated memory was 153.1MB in the beginning and 201.3MB in the end (delta: 48.2MB). Free memory was 81.6MB in the beginning and 166.3MB in the end (delta: -84.8MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:49:22,723 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd2-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 20:49:24,955 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:49:25,026 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:49:25,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:49:25,033 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:49:25,065 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:49:25,066 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:49:25,067 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:49:25,068 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:49:25,068 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:49:25,069 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:49:25,069 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:49:25,070 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:49:25,070 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:49:25,070 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:49:25,071 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:49:25,071 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:49:25,071 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:49:25,072 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:49:25,072 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:49:25,076 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:49:25,077 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:49:25,077 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:49:25,078 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:49:25,081 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:49:25,082 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:49:25,082 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:49:25,082 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:49:25,083 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:49:25,083 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:49:25,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:49:25,083 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:49:25,083 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:49:25,084 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:49:25,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:25,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:49:25,084 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:49:25,085 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:49:25,085 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:49:25,085 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:49:25,085 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:49:25,087 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:49:25,087 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:49:25,087 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:49:25,088 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:49:25,088 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:49:25,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:49:25,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:49:25,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:49:25,441 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:49:25,441 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:49:25,443 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound2.c [2024-09-11 20:49:26,956 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:49:27,191 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:49:27,191 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound2.c [2024-09-11 20:49:27,203 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/4900c60e3/27555d808de440b7ab5228791bc96ed1/FLAG44a9dcad6 [2024-09-11 20:49:27,222 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/4900c60e3/27555d808de440b7ab5228791bc96ed1 [2024-09-11 20:49:27,226 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:49:27,227 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:49:27,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd2-ll_valuebound2.yml/witness-2.1.yml [2024-09-11 20:49:27,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:49:27,294 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:49:27,296 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:27,297 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:49:27,302 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:49:27,303 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:27" (1/2) ... [2024-09-11 20:49:27,305 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@155bc42b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:27, skipping insertion in model container [2024-09-11 20:49:27,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:27" (1/2) ... [2024-09-11 20:49:27,310 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@470b9425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:27, skipping insertion in model container [2024-09-11 20:49:27,310 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 08:49:27" (2/2) ... [2024-09-11 20:49:27,310 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@155bc42b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:27, skipping insertion in model container [2024-09-11 20:49:27,310 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 08:49:27" (2/2) ... [2024-09-11 20:49:27,325 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:49:27,326 INFO L1541 ArrayList]: Loop invariant at [L41-L68] (((((((((((((b == 1) && (yy == ((long long) y * y))) && (p == 0)) && (2 == y)) && (x == 1)) && (q == 1)) && (s == 0)) && (r == 1)) && (2 == a)) && (xy == y)) || ((((((((((long long) x + 1) <= y) && (y <= 2)) && (((__int128) b + 1) <= a)) && ((2 + q) == 0)) && (y == (((long long) 2 * x) + b))) && ((((__int128) r * y) + ((__int128) p * x)) == a)) && (((__int128) a + 1) <= y)) && (s == 1))) || ((((((((((((yy == ((long long) y * y)) && (p == 1)) && (1 <= y)) && (b == y)) && (b <= 2)) && (r == 0)) && (q == 0)) && (1 <= x)) && (xy == ((long long) x * y))) && (a == x)) && (x <= 2)) && (s == 1))) || (((((((((p == 0) && (y <= 2)) && (a == y)) && (b == 0)) && (1 <= a)) && (1 <= x)) && (r == 1)) && (x <= 2)) && ((((__int128) s * y) + ((__int128) q * x)) == 0))) [2024-09-11 20:49:27,326 INFO L1541 ArrayList]: Loop invariant at [L47-L56] (((((((((((((((((((yy == ((long long) y * y)) && (p == 1)) && (1 <= y)) && (a == c)) && (b == y)) && (b <= 2)) && (r == 0)) && (q == 0)) && (k == 0)) && (1 <= x)) && (xy == ((long long) x * y))) && (a == x)) && (x <= 2)) && (s == 1)) || ((((((((((((b == 1) && (2 == xy)) && (p == 0)) && (2 == y)) && (x == 1)) && (q == 1)) && (k == 0)) && (s == 0)) && (r == 1)) && (2 == a)) && (yy == 4)) && (2 == c))) || (((((((((((((k == 1) && (yy == ((long long) y * y))) && (p == 1)) && (1 <= y)) && (b == y)) && (0 <= c)) && (r == 0)) && (q == 0)) && (xy == ((long long) x * y))) && (a == x)) && (x <= 2)) && (s == 1)) && ((b + c) == x))) || ((((((((((((c == 0) && (b == 1)) && (2 == xy)) && (p == 0)) && (2 == y)) && (x == 1)) && (q == 1)) && (s == 0)) && (r == 1)) && (2 == a)) && (yy == 4)) && (2 == k))) || (((((((((((((c == 0) && (a == (c + ((__int128) b * k)))) && (yy == ((long long) y * y))) && (p == 1)) && (1 <= y)) && (b == y)) && (r == 0)) && (q == 0)) && (1 <= x)) && (xy == ((long long) x * y))) && (x == (c + ((__int128) b * k)))) && (x <= 2)) && (s == 1))) || ((((((((((((k == 1) && (b == 1)) && (2 == xy)) && (p == 0)) && (c == 1)) && (2 == y)) && (x == 1)) && (q == 1)) && (s == 0)) && (r == 1)) && (2 == a)) && (yy == 4))) [2024-09-11 20:49:27,326 INFO L1541 ArrayList]: Function contract at [L7]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:49:27,327 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:49:27,346 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:49:27,529 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/egcd2-ll_valuebound2.c[490,503] [2024-09-11 20:49:27,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:27,583 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:49:27,626 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/egcd2-ll_valuebound2.c[490,503] Start Parsing Local Start Parsing Local [2024-09-11 20:49:27,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:27,718 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:49:27,719 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:27 WrapperNode [2024-09-11 20:49:27,719 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:27,720 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:49:27,720 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:49:27,721 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:49:27,734 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 08:49:27" (1/1) ... [2024-09-11 20:49:27,735 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 08:49:27" (1/1) ... [2024-09-11 20:49:27,746 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 08:49:27" (1/1) ... [2024-09-11 20:49:27,770 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 20:49:27,770 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 08:49:27" (1/1) ... [2024-09-11 20:49:27,770 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 08:49:27" (1/1) ... [2024-09-11 20:49:27,786 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 08:49:27" (1/1) ... [2024-09-11 20:49:27,793 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 08:49:27" (1/1) ... [2024-09-11 20:49:27,801 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 08:49:27" (1/1) ... [2024-09-11 20:49:27,807 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 08:49:27" (1/1) ... [2024-09-11 20:49:27,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:49:27,815 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:49:27,815 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:49:27,815 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:49:27,816 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 08:49:27" (1/1) ... [2024-09-11 20:49:27,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:27,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:49:27,845 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 20:49:27,847 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 20:49:27,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:49:27,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:49:27,895 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:49:27,895 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:49:27,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:49:27,895 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:49:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:49:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:49:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:49:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:49:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:49:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:49:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:49:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:49:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:49:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:49:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:49:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:49:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:49:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:49:27,985 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:49:27,989 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:49:34,906 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:49:35,030 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2024-09-11 20:49:35,030 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:49:35,062 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:49:35,062 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-11 20:49:35,063 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:35 BoogieIcfgContainer [2024-09-11 20:49:35,063 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:49:35,063 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:49:35,063 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:49:35,066 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:49:35,066 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:49:27" (1/4) ... [2024-09-11 20:49:35,066 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6e1f7ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:35, skipping insertion in model container [2024-09-11 20:49:35,066 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 08:49:27" (2/4) ... [2024-09-11 20:49:35,067 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6e1f7ca2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:35, skipping insertion in model container [2024-09-11 20:49:35,067 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 08:49:27" (3/4) ... [2024-09-11 20:49:35,067 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6e1f7ca2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:35, skipping insertion in model container [2024-09-11 20:49:35,067 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 08:49:35" (4/4) ... [2024-09-11 20:49:35,068 INFO L79 RefereeObserver]: Analyzing ICFG egcd2-ll_valuebound2.c [2024-09-11 20:49:35,072 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-11 20:49:35,073 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 20:49:35,073 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:35,075 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:49:35,076 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:49:35,076 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-11 20:49:35,076 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-11 20:49:35,076 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:49:35,076 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:49:35,076 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:49:35,077 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:49:35,077 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 20:49:35,077 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 20:49:35,077 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:49:35,077 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 6 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:49:35,157 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:49:35,158 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:35,159 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:35,160 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:35,160 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:35,162 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:35,172 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:49:35,174 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:35,174 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:35,175 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:35,175 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:35,179 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:35,200 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:35,248 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:35,249 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:35,249 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:35,250 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:35,250 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:35,250 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:35,263 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:35,264 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:35,264 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:35,265 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:35,265 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:35,265 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:39,378 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:39,442 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:49:39,443 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:39,443 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:39,443 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:39,443 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:39,444 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:39,470 INFO L101 BaseMinimizeStates]: Removed 14 edges and 4 locations by large block encoding [2024-09-11 20:49:39,470 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:39,471 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:39,471 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:39,471 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:39,477 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:43,778 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:43,903 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:49:43,904 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:43,904 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:43,904 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:43,904 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:43,904 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:43,928 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:49:43,928 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:43,928 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:43,928 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:43,929 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:43,929 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:48,179 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:48,284 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-11 20:49:48,285 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:48,285 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:48,285 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:48,286 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:48,286 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:48,306 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-11 20:49:48,307 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:48,307 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:48,307 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:48,307 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:48,307 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:48,347 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:48,380 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:49:48,380 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:48,380 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:48,380 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:48,380 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:48,380 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:48,425 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-11 20:49:48,425 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:48,427 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:48,427 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:48,427 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:48,434 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:52,972 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:53,154 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:49:53,155 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:53,155 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:53,156 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:53,156 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:53,156 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:53,176 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:49:53,177 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:53,178 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:53,178 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:53,178 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:53,178 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:54,457 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:54,525 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:49:54,525 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:54,526 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:54,526 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:54,526 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:54,526 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:54,558 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:49:54,558 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:54,558 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:54,559 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:54,559 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:54,559 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:57,697 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:57,838 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:57,839 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:57,839 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:57,839 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:57,839 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:57,839 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:57,854 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:57,854 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:57,855 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:57,855 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:57,855 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:57,855 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:02,050 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:02,121 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-11 20:50:02,121 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:02,121 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:02,122 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:02,122 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:02,122 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:02,142 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-11 20:50:02,142 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:02,142 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:02,143 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:02,143 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:02,147 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:06,380 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:06,496 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:50:06,496 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:06,496 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:06,496 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:06,496 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:06,496 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:06,499 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:50:06,499 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:06,499 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:06,499 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:06,499 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:06,500 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:06,501 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:50:06,513 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:06,513 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:06,514 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:06,514 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:06,514 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:06,514 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:06,515 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:06,515 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:06,515 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:06,515 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:06,516 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:06,516 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:06,517 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:50:06,529 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:50:06,530 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:06,530 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:06,530 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:06,530 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:06,530 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:06,538 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:50:06,538 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:06,539 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:06,539 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:06,539 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:06,539 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:07,371 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:07,420 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:50:07,421 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6e1f7ca2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:50:07, skipping insertion in model container [2024-09-11 20:50:07,421 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:50:07,422 INFO L158 Benchmark]: Toolchain (without parser) took 40128.14ms. Allocated memory is still 69.2MB. Free memory was 41.9MB in the beginning and 20.9MB in the end (delta: 21.0MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2024-09-11 20:50:07,423 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 54.5MB. Free memory is still 37.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:07,423 INFO L158 Benchmark]: Witness Parser took 0.28ms. Allocated memory is still 69.2MB. Free memory is still 44.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:07,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.71ms. Allocated memory is still 69.2MB. Free memory was 41.7MB in the beginning and 41.6MB in the end (delta: 67.8kB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2024-09-11 20:50:07,424 INFO L158 Benchmark]: Boogie Preprocessor took 93.68ms. Allocated memory is still 69.2MB. Free memory was 41.6MB in the beginning and 38.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:50:07,424 INFO L158 Benchmark]: RCFGBuilder took 7248.07ms. Allocated memory is still 69.2MB. Free memory was 38.9MB in the beginning and 35.9MB in the end (delta: 3.0MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-09-11 20:50:07,425 INFO L158 Benchmark]: Referee took 32357.39ms. Allocated memory is still 69.2MB. Free memory was 35.9MB in the beginning and 20.9MB in the end (delta: 15.0MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2024-09-11 20:50:07,427 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 47 to check that procedure precondition always holds at line 50. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 49. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 71. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 47 to loop head at line 41. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __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 41 to loop head at line 47. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 41. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. 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 47 to loop head at line 47. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 54.5MB. Free memory is still 37.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.28ms. Allocated memory is still 69.2MB. Free memory is still 44.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 422.71ms. Allocated memory is still 69.2MB. Free memory was 41.7MB in the beginning and 41.6MB in the end (delta: 67.8kB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.68ms. Allocated memory is still 69.2MB. Free memory was 41.6MB in the beginning and 38.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 7248.07ms. Allocated memory is still 69.2MB. Free memory was 38.9MB in the beginning and 35.9MB in the end (delta: 3.0MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * Referee took 32357.39ms. Allocated memory is still 69.2MB. Free memory was 35.9MB in the beginning and 20.9MB in the end (delta: 15.0MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:50:07,563 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