./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd3-ll_valuebound2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f1d7dc9d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd3-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-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:27:22,986 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:27:23,058 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:27:23,061 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:27:23,061 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:27:23,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:27:23,077 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:27:23,077 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:27:23,077 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:27:23,078 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:27:23,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:27:23,078 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:27:23,078 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:27:23,079 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:27:23,079 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:27:23,079 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:27:23,079 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:27:23,080 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:27:23,080 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:27:23,080 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:27:23,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:27:23,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:27:23,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:27:23,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:27:23,082 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:27:23,082 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:27:23,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:27:23,082 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:27:23,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:27:23,083 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:27:23,083 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:27:23,083 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:27:23,083 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:27:23,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:27:23,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:27:23,084 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:27:23,085 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:27:23,085 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:27:23,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:27:23,085 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:27:23,086 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:27:23,088 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:27:23,088 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:27:23,089 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:27:23,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:27:23,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:27:23,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:27:23,330 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:27:23,332 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:27:23,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound2.c [2024-09-20 13:27:24,658 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:27:24,814 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:27:24,815 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound2.c [2024-09-20 13:27:24,821 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/461e12be4/c4e30f186cc04f5bbe81ca9cbfc17c2d/FLAGc3fb7c089 [2024-09-20 13:27:24,842 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/461e12be4/c4e30f186cc04f5bbe81ca9cbfc17c2d [2024-09-20 13:27:24,848 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:27:24,849 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:27:24,850 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd3-ll_valuebound2.yml/witness-2.1.yml [2024-09-20 13:27:24,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:27:24,901 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:27:24,906 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:27:24,906 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:27:24,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:27:24,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:27:24" (1/2) ... [2024-09-20 13:27:24,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27c35d39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:24, skipping insertion in model container [2024-09-20 13:27:24,914 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:27:24" (1/2) ... [2024-09-20 13:27:24,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@53d389d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:24, skipping insertion in model container [2024-09-20 13:27:24,915 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:24" (2/2) ... [2024-09-20 13:27:24,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27c35d39 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:24, skipping insertion in model container [2024-09-20 13:27:24,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:24" (2/2) ... [2024-09-20 13:27:24,923 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:27:24,924 INFO L1541 ArrayList]: Loop invariant at [L35-L73] ((((((((((b == 1) && (s == 0)) && (p == 0)) && (r == 1)) && (a == y)) && (x == 1)) && (a == 2)) && (q == 1)) || ((((((((1 <= x) && (y <= 2)) && (b == 0)) && (((((__int128) q * x) + a) + ((__int128) y * s)) == (((__int128) y * r) + ((__int128) p * x)))) && (a == (((__int128) y * r) + ((__int128) p * x)))) && (1 <= a)) && (1 <= y)) && (x <= 2))) || ((((((((((r == 0) && (y <= 2)) && (s == 1)) && (1 <= a)) && (b == y)) && (q == 0)) && (1 <= y)) && (a == x)) && (x <= 2)) && (p == 1))) [2024-09-20 13:27:24,924 INFO L1541 ArrayList]: Loop invariant at [L49-L59] (((((((((((((((y == 2) && (b == 1)) && (s == 0)) && (p == 0)) && (k == 0)) && (r == 1)) && (c == 2)) && (v == 1)) && (x == 1)) && (d == 1)) && (a == 2)) && (q == 1)) || (((((((((((((v == ((__int128) d * b)) && (r == 0)) && (k == 0)) && (v <= c)) && (s == 1)) && (b == y)) && (b <= c)) && (q == 0)) && (1 <= y)) && (a == x)) && (c == x)) && (x <= 2)) && (p == 1))) || (((((((((((((y == 2) && (b == 1)) && (v <= 1)) && (s == 0)) && (p == 0)) && (k == 0)) && (r == 1)) && (c == 2)) && (x == 1)) && ((d % 2) == 0)) && (a == 2)) && (q == 1)) && (d == v))) || ((((((((((((y == 2) && (b == 1)) && (s == 0)) && (p == 0)) && (k == 0)) && (r == 1)) && (c == 2)) && (x == 1)) && (v == 2)) && (d == 2)) && (a == 2)) && (q == 1))) [2024-09-20 13:27:24,924 INFO L1541 ArrayList]: Loop invariant at [L42-L62] ((((((((((((((r == 0) && (s == 1)) && (((__int128) c + 1) <= ((__int128) b * 2))) && (1 <= a)) && (b == y)) && (q == 0)) && (c == 0)) && (a == x)) && ((y + ((__int128) k * y)) == ((__int128) b + x))) && (x <= 2)) && (p == 1)) || ((((((((((b == 1) && (s == 0)) && (p == 0)) && (k == 0)) && (r == 1)) && (a == y)) && (c == 2)) && (x == 1)) && (a == 2)) && (q == 1))) || ((((((((((((r == 0) && (y <= 2)) && (k == 0)) && (s == 1)) && (1 <= a)) && (b == y)) && (q == 0)) && (1 <= y)) && (a == x)) && (c == x)) && (x <= 2)) && (p == 1))) || ((((((((((y == 2) && (b == 1)) && (s == 0)) && (p == 0)) && (r == 1)) && (x == 1)) && (k == 2)) && (a == 2)) && (c == 0)) && (q == 1))) [2024-09-20 13:27:24,925 INFO L1541 ArrayList]: Function contract at [L7]: requires null, ensures (\old(cond) != 0) [2024-09-20 13:27:24,925 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:27:24,943 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:27:25,077 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound2.c[490,503] [2024-09-20 13:27:25,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:27:25,106 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 13:27:25,137 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound2.c[490,503] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-20 13:27:25,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:27:25,181 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:27:25,181 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:25 WrapperNode [2024-09-20 13:27:25,181 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:27:25,185 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:27:25,185 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:27:25,185 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:27:25,203 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 20.09 01:27:25" (1/1) ... [2024-09-20 13:27:25,204 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 20.09 01:27:25" (1/1) ... [2024-09-20 13:27:25,213 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 20.09 01:27:25" (1/1) ... [2024-09-20 13:27:25,228 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 13:27:25,229 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 20.09 01:27:25" (1/1) ... [2024-09-20 13:27:25,229 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 20.09 01:27:25" (1/1) ... [2024-09-20 13:27:25,238 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 20.09 01:27:25" (1/1) ... [2024-09-20 13:27:25,241 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 20.09 01:27:25" (1/1) ... [2024-09-20 13:27:25,244 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 20.09 01:27:25" (1/1) ... [2024-09-20 13:27:25,246 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 20.09 01:27:25" (1/1) ... [2024-09-20 13:27:25,249 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:27:25,250 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:27:25,253 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:27:25,253 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:27:25,253 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 20.09 01:27:25" (1/1) ... [2024-09-20 13:27:25,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:27:25,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:27:25,280 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 13:27:25,284 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 13:27:25,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:27:25,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:27:25,323 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:27:25,323 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:27:25,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:27:25,323 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:27:25,323 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:27:25,323 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:27:25,323 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:27:25,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:27:25,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 13:27:25,323 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:27:25,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:27:25,324 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:27:25,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:27:25,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 13:27:25,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:27:25,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 13:27:25,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 13:27:25,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:27:25,397 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:27:25,402 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:27:25,634 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:27:25,655 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:27:25,678 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:27:25,679 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-20 13:27:25,679 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:27:25 BoogieIcfgContainer [2024-09-20 13:27:25,679 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:27:25,680 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:27:25,680 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:27:25,680 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:27:25,680 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:27:24" (1/4) ... [2024-09-20 13:27:25,681 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@18548100 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:27:25, skipping insertion in model container [2024-09-20 13:27:25,681 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:24" (2/4) ... [2024-09-20 13:27:25,681 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@18548100 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:27:25, skipping insertion in model container [2024-09-20 13:27:25,681 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 20.09 01:27:25" (3/4) ... [2024-09-20 13:27:25,683 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@18548100 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:27:25, skipping insertion in model container [2024-09-20 13:27:25,683 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:27:25" (4/4) ... [2024-09-20 13:27:25,684 INFO L79 RefereeObserver]: Analyzing ICFG egcd3-ll_valuebound2.c [2024-09-20 13:27:25,687 INFO L113 InvariantChecker]: Found 3 loops. [2024-09-20 13:27:25,687 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:27:25,688 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 13:27:25,688 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 13:27:25,688 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-3 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-20 13:27:25,688 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:27:25,688 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:27:25,688 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-20 13:27:25,688 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-20 13:27:25,688 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-20 13:27:25,689 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:27:25,689 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-20 13:27:25,689 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 13:27:25,689 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 13:27:25,689 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:27:25,689 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 5 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 5 loop-free subgraphs from loop head to error location [2024-09-20 13:27:25,734 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:27:25,735 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:25,735 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:25,735 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:25,736 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:25,738 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:25,747 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:27:25,748 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:25,748 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:25,748 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:25,749 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:25,752 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:25,770 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:27:25,805 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-20 13:27:25,806 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:25,806 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:25,806 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:25,806 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:25,806 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:25,817 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-20 13:27:25,818 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:25,818 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:25,818 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:25,818 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:25,818 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:25,823 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:25,842 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 13:27:25,842 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:25,842 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:25,842 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:25,842 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:25,842 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:25,859 INFO L101 BaseMinimizeStates]: Removed 14 edges and 4 locations by large block encoding [2024-09-20 13:27:25,859 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:25,859 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:25,860 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:25,860 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:25,863 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:25,869 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:25,884 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-20 13:27:25,884 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:25,884 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:25,884 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:25,884 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:25,885 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:25,891 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-20 13:27:25,891 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:25,891 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:25,892 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:25,892 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:25,894 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:25,897 INFO L520 InvariantChecker]: The annotation(s) from loop head L35-3 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:25,910 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 13:27:25,910 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:25,910 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:25,910 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:25,910 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:25,910 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:25,919 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 13:27:25,920 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:25,920 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:25,920 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:25,920 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:25,921 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:25,924 INFO L520 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:25,936 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:27:25,936 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:25,937 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:25,937 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:25,937 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:25,937 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:25,944 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:27:25,945 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:25,945 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:25,945 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:25,945 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:25,945 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:25,949 INFO L520 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:25,964 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-20 13:27:25,964 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:25,964 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:25,965 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:25,965 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:25,965 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:25,979 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-20 13:27:25,979 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:25,979 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:25,979 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:25,980 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:25,980 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:25,983 INFO L520 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:25,995 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:27:25,996 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:25,997 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:25,997 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:25,997 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:25,997 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,008 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:27:26,008 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,009 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:26,009 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:26,009 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:26,009 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:26,014 INFO L520 InvariantChecker]: The annotation(s) from loop head L35-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:26,039 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-20 13:27:26,039 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:26,040 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:26,040 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:26,040 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:26,040 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,062 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-20 13:27:26,062 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,062 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:26,062 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:26,062 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:26,066 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:26,071 INFO L520 InvariantChecker]: The annotation(s) from loop head L49-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:26,081 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:27:26,081 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:26,082 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:26,082 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:26,082 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:26,082 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,084 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:27:26,084 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,084 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:26,084 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:26,084 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:26,085 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:26,087 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:27:26,094 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:27:26,094 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:26,094 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:26,094 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:26,095 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:26,095 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,099 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:27:26,099 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,099 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:26,099 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:26,100 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:26,100 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:26,105 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:26,113 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-20 13:27:26,113 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:26,113 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:26,113 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:26,113 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:26,114 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,126 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-20 13:27:26,126 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,126 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:26,127 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:26,127 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:26,127 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:26,132 INFO L520 InvariantChecker]: The annotation(s) from loop head L49-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:26,139 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:27:26,139 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:26,140 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:26,140 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:26,140 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:26,140 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,141 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:27:26,141 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,141 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:26,141 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:26,141 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:26,141 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:26,142 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:27:26,149 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:27:26,149 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:26,149 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:26,149 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:26,150 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:26,150 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,152 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:27:26,152 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,152 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:26,153 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:26,153 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:26,153 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:26,155 INFO L520 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:26,157 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 13:27:26,158 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@18548100 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:27:26, skipping insertion in model container [2024-09-20 13:27:26,158 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:27:26,159 INFO L158 Benchmark]: Toolchain (without parser) took 1257.83ms. Allocated memory is still 205.5MB. Free memory was 135.5MB in the beginning and 123.8MB in the end (delta: 11.7MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2024-09-20 13:27:26,159 INFO L158 Benchmark]: CDTParser took 2.99ms. Allocated memory is still 121.6MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:27:26,160 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 205.5MB. Free memory is still 137.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:27:26,160 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.65ms. Allocated memory is still 205.5MB. Free memory was 135.2MB in the beginning and 120.2MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-20 13:27:26,160 INFO L158 Benchmark]: Boogie Preprocessor took 64.24ms. Allocated memory is still 205.5MB. Free memory was 120.2MB in the beginning and 118.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:27:26,161 INFO L158 Benchmark]: RCFGBuilder took 429.28ms. Allocated memory is still 205.5MB. Free memory was 117.8MB in the beginning and 162.0MB in the end (delta: -44.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 13:27:26,161 INFO L158 Benchmark]: Referee took 478.49ms. Allocated memory is still 205.5MB. Free memory was 162.0MB in the beginning and 123.8MB in the end (delta: 38.2MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. [2024-09-20 13:27:26,163 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 49 to check that procedure precondition always holds at line 50. Annotation is valid for all loop-free paths from loop head at line 49 to check that procedure precondition always holds at line 51. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 12. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 49 to loop head at line 49. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 49 to check that procedure precondition always holds at line 52. Annotation is valid for all loop-free paths from loop head at line 42 to loop head at line 49. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 42. Annotation is valid for all loop-free paths from loop head at line 42 to loop head at line 35. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 49 to check that procedure precondition always holds at line 50. Annotation is valid for all loop-free paths from loop head at line 49 to loop head at line 42. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.99ms. Allocated memory is still 121.6MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 205.5MB. Free memory is still 137.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.65ms. Allocated memory is still 205.5MB. Free memory was 135.2MB in the beginning and 120.2MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.24ms. Allocated memory is still 205.5MB. Free memory was 120.2MB in the beginning and 118.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 429.28ms. Allocated memory is still 205.5MB. Free memory was 117.8MB in the beginning and 162.0MB in the end (delta: -44.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 478.49ms. Allocated memory is still 205.5MB. Free memory was 162.0MB in the beginning and 123.8MB in the end (delta: 38.2MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 13:27:26,194 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE