./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 fb1cb0b9 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:47:28,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:47:28,398 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:47:28,405 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:47:28,405 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:47:28,443 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:47:28,444 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:47:28,444 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:47:28,445 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:47:28,448 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:47:28,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:47:28,448 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:47:28,448 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:47:28,449 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:47:28,449 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:47:28,449 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:47:28,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:47:28,449 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:47:28,450 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:47:28,450 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:47:28,450 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:47:28,450 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:47:28,451 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:47:28,452 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:47:28,452 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:47:28,452 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:47:28,452 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:47:28,452 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:47:28,452 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:47:28,453 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:47:28,453 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:47:28,453 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:47:28,453 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:47:28,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:47:28,453 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:47:28,454 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:47:28,454 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:47:28,455 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:47:28,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:47:28,455 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:47:28,456 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:47:28,456 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:47:28,456 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:47:28,456 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:47:28,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:47:28,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:47:28,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:47:28,690 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:47:28,691 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:47:28,692 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound2.c [2024-09-25 11:47:29,965 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:47:30,148 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:47:30,150 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound2.c [2024-09-25 11:47:30,157 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e9cc1a4b1/3094d0846af641ada8a73869a71caf10/FLAG9a60b49ae [2024-09-25 11:47:30,199 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e9cc1a4b1/3094d0846af641ada8a73869a71caf10 [2024-09-25 11:47:30,201 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:47:30,202 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:47:30,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd2-ll_valuebound2.yml/witness-2.1.yml [2024-09-25 11:47:30,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:47:30,252 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:47:30,254 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:47:30,254 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:47:30,258 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:47:30,258 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:47:30" (1/2) ... [2024-09-25 11:47:30,260 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68dd3351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:30, skipping insertion in model container [2024-09-25 11:47:30,260 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:47:30" (1/2) ... [2024-09-25 11:47:30,261 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@9c78613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:30, skipping insertion in model container [2024-09-25 11:47:30,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:30" (2/2) ... [2024-09-25 11:47:30,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68dd3351 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:30, skipping insertion in model container [2024-09-25 11:47:30,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:30" (2/2) ... [2024-09-25 11:47:30,268 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:47:30,268 INFO L1541 ArrayList]: Loop invariant at [L47-L56] ((((((((((((((((((r == 0) && (s == 1)) && (a == ((__int128) c + b))) && (0 <= c)) && (b == y)) && (k == 1)) && (yy == ((long long) y * y))) && (q == 0)) && (1 <= y)) && (xy == ((long long) y * x))) && (a == x)) && (x <= 2)) && (p == 1)) || ((((((((((((((r == 0) && (a == (c + ((__int128) b * k)))) && (s == 1)) && (1 <= a)) && (0 <= c)) && (yy == ((long long) y * y))) && ((c + ((__int128) b * 2)) <= 2)) && (q == 0)) && (1 <= b)) && (xy == ((long long) y * x))) && (a == x)) && (x == (c + ((__int128) k * y)))) && (x <= 2)) && (p == 1))) || ((((((((((((((r == 0) && (y <= 2)) && (k == 0)) && (s == 1)) && (1 <= a)) && (b == y)) && (yy == ((long long) y * y))) && (q == 0)) && (1 <= y)) && (xy == ((long long) y * x))) && (a == x)) && (c == x)) && (x <= 2)) && (p == 1))) || ((((((((((((y == 2) && (b == 1)) && (s == 0)) && (p == 0)) && (k == 0)) && (2 == xy)) && (r == 1)) && (c == 2)) && (x == 1)) && (yy == 4)) && (a == 2)) && (q == 1))) || ((((((((((((y == 2) && (b == 1)) && (s == 0)) && (p == 0)) && (2 == xy)) && (r == 1)) && (x == 1)) && (yy == 4)) && (k == 1)) && (a == 2)) && (q == 1)) && (c == 1))) || ((((((((((((y == 2) && (b == 1)) && (s == 0)) && (p == 0)) && (2 == xy)) && (r == 1)) && (x == 1)) && (yy == 4)) && (k == 2)) && (a == 2)) && (c == 0)) && (q == 1))) [2024-09-25 11:47:30,268 INFO L1541 ArrayList]: Loop invariant at [L41-L68] (((((((((((((b == 1) && (s == 0)) && (p == 0)) && (y == xy)) && (r == 1)) && (a == y)) && (x == 1)) && (yy == ((long long) y * y))) && (a == 2)) && (q == 1)) || (((((((((1 <= x) && (y <= 2)) && (b == 0)) && (p == 0)) && (r == 1)) && (a == y)) && (1 <= y)) && ((((__int128) q * x) + ((__int128) y * s)) == 0)) && (x <= 2))) || ((((((((((((r == 0) && (y <= 2)) && (s == 1)) && (1 <= a)) && (b == y)) && (yy == ((long long) y * y))) && (q == 0)) && (1 <= y)) && (xy == ((long long) y * x))) && (a == x)) && (x <= 2)) && (p == 1))) || (((((((((((long long) x + 1) <= y) && (r == 0)) && (((__int128) ((long long) x * 2) + b) == y)) && (y <= 2)) && (s == 1)) && (((__int128) q + 2) == 0)) && (((__int128) b + 1) <= x)) && (a == x)) && (p == 1))) [2024-09-25 11:47:30,268 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 11:47:30,268 INFO L1541 ArrayList]: Function contract at [L7]: requires null, ensures (cond != 0) [2024-09-25 11:47:30,291 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:47:30,409 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/egcd2-ll_valuebound2.c[490,503] [2024-09-25 11:47:30,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:47:30,439 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 11:47:30,468 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/egcd2-ll_valuebound2.c[490,503] Start Parsing Local Start Parsing Local [2024-09-25 11:47:30,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:47:30,503 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:47:30,503 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:30 WrapperNode [2024-09-25 11:47:30,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:47:30,504 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:47:30,507 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:47:30,507 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:47:30,515 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 25.09 11:47:30" (1/1) ... [2024-09-25 11:47:30,516 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 25.09 11:47:30" (1/1) ... [2024-09-25 11:47:30,521 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 25.09 11:47:30" (1/1) ... [2024-09-25 11:47:30,532 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 [2024-09-25 11:47:30,533 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 25.09 11:47:30" (1/1) ... [2024-09-25 11:47:30,533 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 25.09 11:47:30" (1/1) ... [2024-09-25 11:47:30,537 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 25.09 11:47:30" (1/1) ... [2024-09-25 11:47:30,539 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 25.09 11:47:30" (1/1) ... [2024-09-25 11:47:30,540 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 25.09 11:47:30" (1/1) ... [2024-09-25 11:47:30,541 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 25.09 11:47:30" (1/1) ... [2024-09-25 11:47:30,542 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:47:30,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:47:30,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:47:30,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:47:30,544 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 25.09 11:47:30" (1/1) ... [2024-09-25 11:47:30,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:47:30,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:47:30,575 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) [2024-09-25 11:47:30,577 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 [2024-09-25 11:47:30,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:47:30,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:47:30,618 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:47:30,619 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:47:30,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:47:30,619 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:47:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:47:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:47:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:47:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:47:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 11:47:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:47:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:47:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:47:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:47:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:47:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:47:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:47:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:47:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:47:30,718 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:47:30,720 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:47:30,950 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:47:30,964 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:47:30,981 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:47:30,982 INFO L317 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-25 11:47:30,982 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:47:30 BoogieIcfgContainer [2024-09-25 11:47:30,982 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:47:30,982 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:47:30,983 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:47:30,983 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:47:30,983 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:47:30" (1/4) ... [2024-09-25 11:47:30,984 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@67ea934c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:47:30, skipping insertion in model container [2024-09-25 11:47:30,984 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:30" (2/4) ... [2024-09-25 11:47:30,984 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@67ea934c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:47:30, skipping insertion in model container [2024-09-25 11:47:30,984 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 25.09 11:47:30" (3/4) ... [2024-09-25 11:47:30,984 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@67ea934c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:47:30, skipping insertion in model container [2024-09-25 11:47:30,985 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:47:30" (4/4) ... [2024-09-25 11:47:30,985 INFO L79 RefereeObserver]: Analyzing ICFG egcd2-ll_valuebound2.c [2024-09-25 11:47:30,990 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-25 11:47:30,991 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:47:30,991 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:30,991 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 11:47:30,992 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-25 11:47:30,992 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-25 11:47:30,992 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-25 11:47:30,992 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-25 11:47:30,992 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 11:47:30,992 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:47:30,993 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-25 11:47:30,993 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:47:30,993 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:30,993 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:47:30,993 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 6 loop-free subgraphs from loop head to error location [2024-09-25 11:47:31,032 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:47:31,033 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:31,033 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:31,034 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:31,035 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:31,038 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,050 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:47:31,051 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,051 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:31,051 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:31,052 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:31,055 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:31,077 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:31,118 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:31,119 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:31,119 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:31,119 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:31,119 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:31,120 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,131 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:31,132 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,132 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:31,132 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:31,132 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:31,132 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:31,138 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:31,162 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 11:47:31,163 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:31,163 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:31,163 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:31,163 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:31,163 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,178 INFO L101 BaseMinimizeStates]: Removed 14 edges and 4 locations by large block encoding [2024-09-25 11:47:31,178 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,179 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:31,179 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:31,179 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:31,183 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:31,187 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:31,208 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-25 11:47:31,208 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:31,209 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:31,209 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:31,209 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:31,209 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,227 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-25 11:47:31,228 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,228 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:31,229 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:31,229 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:31,229 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:31,235 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:31,254 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-25 11:47:31,254 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:31,255 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:31,255 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:31,255 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:31,255 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,289 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-25 11:47:31,290 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,290 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:31,290 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:31,291 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:31,291 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:31,294 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:31,312 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-25 11:47:31,312 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:31,312 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:31,312 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:31,313 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:31,313 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,337 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-25 11:47:31,337 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,337 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:31,337 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:31,337 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:31,342 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:31,349 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:31,361 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:47:31,362 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:31,362 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:31,362 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:31,362 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:31,362 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,369 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:47:31,369 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,369 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:31,369 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:31,370 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:31,370 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:31,374 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:31,385 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-25 11:47:31,385 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:31,386 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:31,388 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:31,388 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:31,388 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,407 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-25 11:47:31,407 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,407 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:31,407 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:31,408 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:31,408 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:31,412 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:31,424 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:47:31,424 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:31,424 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:31,424 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:31,425 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:31,425 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,436 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:47:31,436 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,436 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:31,436 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:31,436 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:31,437 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:31,442 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:31,452 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-25 11:47:31,452 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:31,452 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:31,452 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:31,453 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:31,453 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,458 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-25 11:47:31,459 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,459 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:31,459 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:31,459 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:31,460 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:31,462 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:31,471 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:47:31,471 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:31,471 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:31,471 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:31,471 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:31,471 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,473 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:47:31,473 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,473 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:31,473 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:31,473 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:31,474 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:31,475 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:31,482 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:31,482 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:31,482 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:31,483 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:31,483 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:31,483 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,484 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:31,484 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,484 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:31,484 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:31,484 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:31,484 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:31,485 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:47:31,495 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:47:31,495 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:31,495 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:31,495 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:31,496 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:31,496 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,501 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:47:31,501 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,501 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:31,501 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:31,501 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:31,501 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:31,504 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:31,508 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 11:47:31,509 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@67ea934c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:47:31, skipping insertion in model container [2024-09-25 11:47:31,509 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:47:31,510 INFO L158 Benchmark]: Toolchain (without parser) took 1258.09ms. Allocated memory is still 241.2MB. Free memory was 209.3MB in the beginning and 127.8MB in the end (delta: 81.5MB). Peak memory consumption was 87.5MB. Max. memory is 16.1GB. [2024-09-25 11:47:31,511 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 132.1MB. Free memory is still 96.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:47:31,511 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 241.2MB. Free memory is still 211.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:47:31,511 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.82ms. Allocated memory is still 241.2MB. Free memory was 209.3MB in the beginning and 193.3MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:47:31,512 INFO L158 Benchmark]: Boogie Preprocessor took 38.53ms. Allocated memory is still 241.2MB. Free memory was 193.3MB in the beginning and 191.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:47:31,512 INFO L158 Benchmark]: RCFGBuilder took 439.01ms. Allocated memory is still 241.2MB. Free memory was 191.2MB in the beginning and 170.7MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-25 11:47:31,513 INFO L158 Benchmark]: Referee took 526.87ms. Allocated memory is still 241.2MB. Free memory was 170.7MB in the beginning and 127.8MB in the end (delta: 42.9MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2024-09-25 11:47:31,514 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 41. 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 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 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 check that procedure precondition always holds at line 49. 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 41 to loop head at line 47. 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 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 48. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 132.1MB. Free memory is still 96.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 241.2MB. Free memory is still 211.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.82ms. Allocated memory is still 241.2MB. Free memory was 209.3MB in the beginning and 193.3MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.53ms. Allocated memory is still 241.2MB. Free memory was 193.3MB in the beginning and 191.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 439.01ms. Allocated memory is still 241.2MB. Free memory was 191.2MB in the beginning and 170.7MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Referee took 526.87ms. Allocated memory is still 241.2MB. Free memory was 170.7MB in the beginning and 127.8MB in the end (delta: 42.9MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 11:47:31,536 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