./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 5189fb62 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd2-ll_valuebound2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:06:52,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:06:52,107 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:06:52,112 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:06:52,113 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:06:52,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:06:52,131 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:06:52,131 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:06:52,132 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:06:52,132 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:06:52,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:06:52,133 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:06:52,133 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:06:52,133 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:06:52,134 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:06:52,134 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:06:52,134 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:06:52,134 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:06:52,135 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:06:52,135 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:06:52,135 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:06:52,136 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:06:52,136 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:06:52,136 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:06:52,136 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:06:52,137 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:06:52,137 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:06:52,137 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:06:52,137 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:06:52,138 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:06:52,138 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:06:52,138 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:06:52,138 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:06:52,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:06:52,139 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:06:52,139 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:06:52,139 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:06:52,139 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:06:52,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:06:52,140 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:06:52,140 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:06:52,141 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:06:52,141 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:06:52,141 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:06:52,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:06:52,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:06:52,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:06:52,386 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:06:52,387 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:06:52,388 INFO L431 ainManager$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 [2024-09-13 05:06:52,476 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:06:52,476 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:06:52,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound2.c [2024-09-13 05:06:53,700 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:06:53,851 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:06:53,852 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound2.c [2024-09-13 05:06:53,857 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a1d183059/81a409d4ade54f1f8acf040e31eb9b90/FLAG5553f9c06 [2024-09-13 05:06:53,868 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a1d183059/81a409d4ade54f1f8acf040e31eb9b90 [2024-09-13 05:06:53,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:06:53,870 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:06:53,875 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:06:53,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:06:53,879 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:06:53,880 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:06:52" (1/2) ... [2024-09-13 05:06:53,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50b8b8ba and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:06:53, skipping insertion in model container [2024-09-13 05:06:53,880 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:06:52" (1/2) ... [2024-09-13 05:06:53,881 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1fac000b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:06:53, skipping insertion in model container [2024-09-13 05:06:53,882 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:06:53" (2/2) ... [2024-09-13 05:06:53,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50b8b8ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:53, skipping insertion in model container [2024-09-13 05:06:53,882 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:06:53" (2/2) ... [2024-09-13 05:06:53,888 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:06:53,889 INFO L1541 ArrayList]: Loop invariant at [L47-L56] ((((((((((((((((((r == 0) && (s == 1)) && (a == (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))) [2024-09-13 05:06:53,889 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)) && ((((long long) x * 2) + b) == y)) && (y <= 2)) && (s == 1)) && (((__int128) q + 2) == 0)) && (((__int128) b + 1) <= x)) && (a == x)) && (p == 1))) [2024-09-13 05:06:53,889 INFO L1541 ArrayList]: Function contract at [L7]: requires null, ensures (\old(cond) != 0) [2024-09-13 05:06:53,889 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:06:53,903 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:06:54,024 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound2.c[490,503] [2024-09-13 05:06:54,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:06:54,054 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:06:54,080 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound2.c[490,503] Start Parsing Local Start Parsing Local [2024-09-13 05:06:54,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:06:54,124 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:06:54,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:54 WrapperNode [2024-09-13 05:06:54,124 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:06:54,125 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:06:54,125 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:06:54,125 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:06:54,134 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:54" (1/1) ... [2024-09-13 05:06:54,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:54" (1/1) ... [2024-09-13 05:06:54,144 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:54" (1/1) ... [2024-09-13 05:06:54,157 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 [2024-09-13 05:06:54,157 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:54" (1/1) ... [2024-09-13 05:06:54,157 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:54" (1/1) ... [2024-09-13 05:06:54,164 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:54" (1/1) ... [2024-09-13 05:06:54,167 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:54" (1/1) ... [2024-09-13 05:06:54,168 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:54" (1/1) ... [2024-09-13 05:06:54,169 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:54" (1/1) ... [2024-09-13 05:06:54,170 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:06:54,171 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:06:54,171 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:06:54,171 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:06:54,171 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:54" (1/1) ... [2024-09-13 05:06:54,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:06:54,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:06:54,195 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) [2024-09-13 05:06:54,197 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 [2024-09-13 05:06:54,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:06:54,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:06:54,233 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:06:54,233 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:06:54,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:06:54,237 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:06:54,237 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:06:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:06:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:06:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:06:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 05:06:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:06:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:06:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:06:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:06:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:06:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:06:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:06:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:06:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:06:54,296 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:06:54,298 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:06:54,489 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:06:54,502 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:06:54,527 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:06:54,528 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-13 05:06:54,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:06:54 BoogieIcfgContainer [2024-09-13 05:06:54,528 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:06:54,529 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:06:54,529 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:06:54,529 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:06:54,530 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:06:52" (1/4) ... [2024-09-13 05:06:54,530 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@69c0eb45 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:06:54, skipping insertion in model container [2024-09-13 05:06:54,530 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:06:53" (2/4) ... [2024-09-13 05:06:54,530 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@69c0eb45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:06:54, skipping insertion in model container [2024-09-13 05:06:54,530 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:54" (3/4) ... [2024-09-13 05:06:54,531 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@69c0eb45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:06:54, skipping insertion in model container [2024-09-13 05:06:54,531 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:06:54" (4/4) ... [2024-09-13 05:06:54,532 INFO L79 RefereeObserver]: Analyzing ICFG egcd2-ll_valuebound2.c [2024-09-13 05:06:54,534 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-13 05:06:54,535 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:06:54,535 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:06:54,536 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 05:06:54,536 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-13 05:06:54,536 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-13 05:06:54,536 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-13 05:06:54,536 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-13 05:06:54,536 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 05:06:54,536 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:06:54,536 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-13 05:06:54,537 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:06:54,537 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:06:54,537 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:06:54,537 INFO L130 InvariantChecker]: Will check 6 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head [2024-09-13 05:06:54,593 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:06:54,594 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:54,594 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:54,594 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:54,595 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:54,598 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:54,604 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:06:54,605 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:54,605 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:54,605 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:54,605 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:54,609 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:54,621 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:06:54,639 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:06:54,639 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:54,639 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:54,640 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:54,640 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:54,640 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:54,646 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:06:54,646 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:54,646 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:54,646 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:54,646 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:54,646 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:54,650 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:54,665 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:06:54,665 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:54,665 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:54,666 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:54,666 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:54,666 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:54,681 INFO L101 BaseMinimizeStates]: Removed 14 edges and 4 locations by large block encoding [2024-09-13 05:06:54,681 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:54,681 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:54,681 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:54,681 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:54,684 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:54,687 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:54,704 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-13 05:06:54,705 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:54,705 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:54,705 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:54,705 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:54,705 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:54,720 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-13 05:06:54,720 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:54,720 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:54,721 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:54,721 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:54,721 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:54,727 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:54,748 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-13 05:06:54,748 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:54,748 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:54,749 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:54,749 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:54,749 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:54,763 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-13 05:06:54,764 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:54,764 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:54,765 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:54,765 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:54,765 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:54,770 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:54,788 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-13 05:06:54,789 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:54,790 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:54,790 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:54,790 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:54,790 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:54,841 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-13 05:06:54,841 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:54,841 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:54,841 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:54,841 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:54,847 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:54,855 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:54,869 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:06:54,869 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:54,869 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:54,869 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:54,870 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:54,870 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:54,876 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:06:54,876 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:54,877 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:54,877 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:54,877 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:54,877 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:54,882 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:54,892 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-13 05:06:54,893 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:54,893 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:54,895 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:54,895 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:54,896 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:54,916 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-13 05:06:54,916 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:54,916 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:54,916 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:54,917 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:54,917 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:54,923 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:54,934 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:06:54,934 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:54,934 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:54,934 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:54,935 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:54,935 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:54,949 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:06:54,949 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:54,949 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:54,951 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:54,951 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:54,951 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:54,956 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:54,974 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-13 05:06:54,974 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:54,974 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:54,974 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:54,974 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:54,974 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:54,981 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-13 05:06:54,981 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:54,981 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:54,982 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:54,982 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:54,983 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:54,986 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:54,996 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:06:54,997 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:54,997 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:54,997 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:54,997 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:54,997 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:54,998 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:06:54,998 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:54,998 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:54,998 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:54,998 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:54,999 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:55,000 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:06:55,009 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:06:55,009 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:55,010 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:55,010 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:55,010 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:55,010 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:55,010 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:06:55,010 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:55,011 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:55,011 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:55,011 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:55,011 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:55,013 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:06:55,025 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:06:55,025 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:55,026 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:55,026 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:55,026 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:55,026 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:55,032 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:06:55,033 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:55,033 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:55,033 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:55,033 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:55,033 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:55,037 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:55,040 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 05:06:55,041 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@69c0eb45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:06:55, skipping insertion in model container [2024-09-13 05:06:55,041 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:06:55,043 INFO L158 Benchmark]: Toolchain (without parser) took 1171.97ms. Allocated memory is still 165.7MB. Free memory was 97.3MB in the beginning and 73.3MB in the end (delta: 24.0MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. [2024-09-13 05:06:55,043 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:06:55,044 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 165.7MB. Free memory is still 142.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:06:55,044 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.64ms. Allocated memory is still 165.7MB. Free memory was 97.1MB in the beginning and 131.5MB in the end (delta: -34.4MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2024-09-13 05:06:55,045 INFO L158 Benchmark]: Boogie Preprocessor took 45.39ms. Allocated memory is still 165.7MB. Free memory was 131.5MB in the beginning and 129.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:06:55,046 INFO L158 Benchmark]: RCFGBuilder took 357.58ms. Allocated memory is still 165.7MB. Free memory was 129.0MB in the beginning and 109.3MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-13 05:06:55,046 INFO L158 Benchmark]: Referee took 512.38ms. Allocated memory is still 165.7MB. Free memory was 109.3MB in the beginning and 73.3MB in the end (delta: 36.1MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. [2024-09-13 05:06:55,049 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 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 47. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 41. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 50. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from loop head at line 41 to loop head at line 47. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 12. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 49. 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 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 check that procedure precondition always holds at line 71. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 165.7MB. Free memory is still 142.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.64ms. Allocated memory is still 165.7MB. Free memory was 97.1MB in the beginning and 131.5MB in the end (delta: -34.4MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.39ms. Allocated memory is still 165.7MB. Free memory was 131.5MB in the beginning and 129.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 357.58ms. Allocated memory is still 165.7MB. Free memory was 129.0MB in the beginning and 109.3MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Referee took 512.38ms. Allocated memory is still 165.7MB. Free memory was 109.3MB in the beginning and 73.3MB in the end (delta: 36.1MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:06:55,075 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